Unraid Replace Drive No Parity

If a drive in the array fails, then the data on the other drives remains intact. Setup a new share called "VM-C-drive" and set it to "cache only", then add that as path to your VM, and install windows on that one. de: Computer & Accessories. FishAk, Unraid can keep track of 20 drives for one parity drive. Power on, and add final drive as parity. This state is needed before a drive can be added to a parity-protected array without affecting parity. 5TB mirror drives and installed a new 4TB drive to use as my new parity drive for unRAID (future proofing for a larger array in the future). Furthermore, the parity rebuild process is much less intense. However, unlike normal RAID systems, Unraid doesn’t actually rely on all of the drives for this to work. In my case, I actually pulled out one of the 1. Something liek zfs could easily be 2-4x faster with these drives if used in a raidz array. Is there a way to remove all the info from the green drive named (sdb) to the new drive named (sdd) without having to set up a parity disk. Because if/when a drive dies and you have to replace it, rebuild the parity and/or dig in the case you are being a household admin. No cache drives. Since I have a full backup, I don't need or want parity. Then format the ReiserFS drive to XFS, and do it all over again with another data drive, until they are all converted. In fact, if only the parity drives fail, then there's no data loss at all. Stop the array, power off, and replace disk 3 with larger capacity drive. 1,046 likes · 19 talking about this. Several disks can be added simultaneously in this way. I recently bought a 4Tb Toshiba S300 which is their own surveillance drive to swap out with the Skyhawk to allow bigger drives. unRaid has three license levels - free (3 drives), then a 6 drive license and then the pro, which is ~20 drives. input your MinIO secret key MINIO_SECRET_KEY. I'm actually in the process of consolidating my storage a bit. Hey everyone. 1) From what I understand, you need one parity drive. The procedure Stop the array Unassign the old drive if still assigned (to unassign, set it to No Device) Power down [ Optional ] Pull the old drive (you may want to leave it installed for Preclearing or testing) Install the new drive Power on Assign the new drive in the slot of the old drive Go to. Make sure you don't assign a current data disk to the parity slot. Unassign the parity drive. Begin by downloading the USB Creator. When a data drive fails, unRAID will start recovery on the replacement drive by again adding up the first bit of each drive, then compare it to the first bit of parity drive, then write either a 0 or a 1 to the replacement drive to make the total match the parity drive again. This video is a tutorial on how to replace and/or upgrade a disk in your unRAID server's array. Power on, and add final drive as parity. Now, because of the amount of math that needs to be done when using any storage array with parity, Unraid has given us the ability to have a cache. Its no use to just buy a new MoBo and CPU to maybe safe like 30W or whatever and still have 13drives running. You can add a drive of any size, and it will increase the size of the array by that size, even if it doesn't match the size of the other disks. I just bought 8 x 10TB WD Gold drives to replace the 8TB Seagate SMR drives in my main UnRAID server. Here are several examples, none of which. It CANNOT be smaller, but it CAN be a larger drive, up to the size of the parity drive. If I have to replace stuff, I´d basically replace everything with the exception of the 750 Watt PSU, CPU cooler, SSD and RAM. A zero value will not impact parity. If I understand what you saying you should replace and assign both data and parity drives and then do a new config. shut down array, remove 1 3TB drive and replace with 8TB drive start server, put 8TB drive into the array in place of the 3TB you pulled, start array let parity rebuild the drive once done, repeat steps 2-4 for the 2nd 8tb drive. How Many Devices are Supported By Unraid? The parity protected array is limited to 30 storage devices (28 data and 2 parity) and 24 storage devices in the cache pool. unRAID is installed on a flash drive that is used to boot the machine. The recently launched My Servers plugin provides secure remote access to Unraid users via a unique url on a subdomain of unraid. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). I'm thinking about moving off of Windows since none of the disk pooling options (Drive Pool, Drive Bender, FlexRAID, Storage Spaces) have the performance and reliability of Linux or BSD. If your replacement drive is larger than the parity drive, then proceed to The parity swap procedure. Additional devices attached to your server can be utilized with the unassigned devices plugin. What this does is reset the drive list that unRAID uses. The use of Parity in Unraid assures us that we can lose 1 disk and still have access to any data that was on that disk. Assign the old parity drive in the slot of the old data drive being replaced You should now have blue drive status indicators for both the parity drive and the drive being replaced. Start array to ensure everything is good. Install unRAID. Furthermore, the parity rebuild process is much less intense. txt are not able to be listed here. Jun 04, 2021 Season 1 Episode 3. Please feel free to contribute to Unraid and fill out these missing translations. Join Jon Panozzo, Paulus Schoutsen (Founder, Home Assistant), and Doug Roberson (CTO, Allterco Robotics US) for an in-depth discussion on Home Automation. The safer approach follows:. Best Unraid Alternatives in 2021. One parity drive for up to 7 drives?--If you want parity protection, you need one parity drive, but you can go without it - of course then no protection for a drive failure. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). Provided the UnRAID licensing, the system will be able to accommodate up to 13 drives (6+1 on motherboard, 4x on the Promise card, 2x on the Bytecc card). I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. What this does is reset the drive list that unRAID uses. The unraid parity swap procedure is great for anyone running unraid 6. Samsung SSD as Parity. First thing, unraid isn't known for its speed, if speed is a big issue id really look at something liek a more traditional raid setup. Setup a new share called "VM-C-drive" and set it to "cache only", then add that as path to your VM, and install windows on that one. My NAS: The storage miser: OS unRAID v. unRAID to Replace Xpenology (For Me) November 1, 2020 ~ Admin. unRAID is installed on a flash drive that is used to boot the machine. This is true, flexible expansion is one of the great perks of unRAID (only rule: data drives must be the same size or smaller than parity disks). Hey everyone. The use of Parity in Unraid assures us that we can lose 1 disk and still have access to any data that was on that disk. There are more than 10 alternatives to. Now would be a good time to do any drive swapping you intend to do. Now, because of the amount of math that needs to be done when using any storage array with parity, Unraid has given us the ability to have a cache. Unraid, Anaheim, California. The second was the expandability by a single drive vs ZFS/freenas, I didnt want to have to replace every drive with a larger one or create a new pool with an equivalent amount of drives (which I likely would have done 6 disks vdevs with 1 parity if I went with ZFS). 3 hard drives as data drives. How Many Devices are Supported By Unraid? The parity protected array is limited to 30 storage devices (28 data and 2 parity) and 24 storage devices in the cache pool. 7 Final) on a typical budget PC. So, I have 2 4TB hard drives, which I will use one of them for parity. If all you want to do is replace your Parity drive with a larger one, then you don't need the Parity Swap procedure. cp -rv /mnt/disk2/* /mnt/disk1/). Unraid is also efficient in how you can expand the size of the array. The primary purpose of an Unraid array is to manage and protect the data of any group of drives (JBOD) by adding a dedicated parity drive. In fact, if only the parity drives fail, then there's no data loss at all. UnRaid - Has the ability to mix different size drives, expand but adding additional drives at any time, but keep in mind licensing is required for additional drives. unRAID will only see one parity drive as it will be the one assigned to the parity slot on the Devices page. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. DIGITUS IO Card - PCIe - M. (2017-08-13, 11:58) idgforum Wrote: If I swap out an old 2 TB disk and put in a 6TB can I first precleared it from the USB 3 port? The parity drive is 4TB and UnRaid gonna use the 6 TB as a parity drive when I take the old disk out and put the new 6 TB in a SATA port. FishAk, Unraid can keep track of 20 drives for one parity drive. The procedure Stop the array Unassign the old drive if still assigned (to unassign, set it to No Device) Power down [ Optional ] Pull the old drive (you may want to leave it installed for Preclearing or testing) Install the new drive Power on Assign the new drive in the slot of the old drive Go to. This, hopefully without losing data. To start your 30-Day Free Trial your server must have an internet connection. Finally, here is a picture of all the drives used minus the Toshiba drive used from previous tests. Reducing the chances of losing data. Its no use to just buy a new MoBo and CPU to maybe safe like 30W or whatever and still have 13drives running. The unraid parity swap procedure is great for anyone running unraid 6. No data has been lost or deleted at this point, so if you wish you can reassign all drives as they were and restart the array with valid parity. unRaid has three license levels - free (3 drives), then a 6 drive license and then the pro, which is ~20 drives. Welcome, and thank you for reading the Unraid monthly digest for September 2020. This is true, flexible expansion is one of the great perks of unRAID (only rule: data drives must be the same size or smaller than parity disks). That is part of the reason (along with the ability to mix and match drives of any size and speed) that it is so worth the money. Assign the new drive in the parity slot You may see more error notifications! This is normal. At first I figured it was because I ripped out the unRAID USB drive from a Quanta S210-X22RQ and into the AsRock motherboard. First thing, unraid isn't known for its speed, if speed is a big issue id really look at something liek a more traditional raid setup. The safer approach follows:. Additional devices attached to your server can be utilized with the unassigned devices plugin. the failing driver and the new drive both are. This video is a tutorial on how to replace and/or upgrade a disk in your unRAID server's array. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. Recently I have had hard drives consistently becoming "disabled" on my new AsRock EP2C602-4L/D16. Now would be a good time to do any drive swapping you intend to do. Best Unraid Alternatives in 2021. The reason is that there's no striping in unRAID's array that would otherwise tie the fate of the drives together. Unraid was a new twist on an older technology that didn't require all the devices in an array to be continually spun up, thereby reducing power consumption, and increasing the lives of the drives. Install unRAID. unRAID does not require the replacement drive to be the same size as the old drive being replaced. If I understand what you saying you should replace and assign both data and parity drives and then do a new config. 1 hard drive as parity. So even if you lose data disks beyond how many parity drives you have, you only lose the data on those data disks you've lost. This procedure is strictly for replacing data drives in an unRAID array. My system has been up and running for about 8 years now and I've never had more than one drive fail at any given time so having multiple parity drives always seemed like overkill to me. I added only the new drive to the pool (didn't have a parity drive yet). It CANNOT be smaller, but it CAN be a larger drive, up to the size of the parity drive. The UnRAID community's UnAssigned Devices app allows you to use these drives outside the array. Join Jon Panozzo, Paulus Schoutsen (Founder, Home Assistant), and Doug Roberson (CTO, Allterco Robotics US) for an in-depth discussion on Home Automation. There are no other limitations in the software based on registration key type. Once the new drive is full of zeros, unRAID can silently slip it into the array without needing to rebuild parity. Please, if you can, support the channel and donate https://go. Its no use to just buy a new MoBo and CPU to maybe safe like 30W or whatever and still have 13drives running. The following entries are missing translations. Unraid, Anaheim, California. 5TB mirror drives and installed a new 4TB drive to use as my new parity drive for unRAID (future proofing for a larger array in the future). Unraid was a new twist on an older technology that didn't require all the devices in an array to be continually spun up, thereby reducing power consumption, and increasing the lives of the drives. de: Computer & Accessories. 5TB mirror drives and installed a new 4TB drive to use as my new parity drive for unRAID (future proofing for a larger array in the future). 3 – go to devices tab, remove parity drive from configuration 4 – power down system via “powerdown” button 5 – remove existing 750 GB parity drive, replace with new 1 TB drive 6 – power on unraid. So even if you lose data disks beyond how many parity drives you have, you only lose the data on those data disks you've lost. So, apart from the two data drives, the parity drive and the cache that currently make up the official UnRAID array, the extra four bays give Tested Technology the option of running a more or less autonomous JBOD server from the same device. Best Unraid Alternatives in 2021. After that the new parity drive with do a sync. There are no other limitations in the software based on registration key type. The system will rebuild the drive with no data loss. At first I figured it was because I ripped out the unRAID USB drive from a Quanta S210-X22RQ and into the AsRock motherboard. Finally, here is a picture of all the drives used minus the Toshiba drive used from previous tests. The 3 16Tb drives alone take up more than 1k€ on their own. select S3 provider 'Minio Object Storage' 7. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). Then I can verify using the serial numbers unRAID provides. If you have more than 6 data drives connected, I would recommend having 2 parity drives set up. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. 4 GHz or faster) and 4-8GB of RAM. The UnRAID community's UnAssigned Devices app allows you to use these drives outside the array. 1 hard drive as parity. When a drive is added to a parity-protected unRAID array, it is first cleared by writing zeroes to all bits of all sectors of that drive. I added only the new drive to the pool (didn't have a parity drive yet). Run preclear on the drive a could of times (not necessary but will stress test the drive to find early failure). 3 – go to devices tab, remove parity drive from configuration 4 – power down system via “powerdown” button 5 – remove existing 750 GB parity drive, replace with new 1 TB drive 6 – power on unraid. It CANNOT be smaller, but it CAN be a larger drive, up to the size of the parity drive. Welcome, and thank you for reading the Unraid monthly digest for September 2020. Unraid is not like traditional raid as the data is not striped. Jul 7, 2010. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. I'm very excited about what the future holds for Lime Technology as we continue to be on the forefront of digital media storage innovation. Usage as a NAS only requires 1 GB of RAM, and the whole system is loaded. Stop array, power off, connect final drive. 0-beta25 / CPU Intel i7 6700 / Cooler Master MasterWatt Lite 500 Watt 80 Plus / ASUS Maximus viii Hero / 32GB Gskill RipJaw DDR4 3200Mhz / HP Mellanox ConnectX-2 10 GbE PCI-e G2 Dual SFP+ Ported Ethernet HCA NIC / 9 Drives total 29TB - 1 4TB seagate parity - 7 4TB WD Red data - 1 1TB laptop drive data. Finally, here is a picture of all the drives used minus the Toshiba drive used from previous tests. A 10TB rebuild for example only takes me about 17hrs. That is part of the reason (along with the ability to mix and match drives of any size and speed) that it is so worth the money. If a drive in the array fails, then the data on the other drives remains intact. Unraid was a new twist on an older technology that didn't require all the devices in an array to be continually spun up, thereby reducing power consumption, and increasing the lives of the drives. The use of Parity in Unraid assures us that we can lose 1 disk and still have access to any data that was on that disk. Make sure you don't assign a current data disk to the parity slot. At the moment I'm running without parity and this is my current strategy but I'd like to run it by you fine folks to make sure it's sane. Its the biggest drive for the system so I understand that it must replace my parity drive. To run a wide gamut of applications your system should consist of at least a quad-core CPU (2. Just remove the old parity drive and add the new one, and start the array. I have a lot of hard drives and I’m always buying more. Tens of thousands of these subdomains have now been documented on SecurityTrails with a subset providing direct access to the login pages of the associated Unraid servers. Stop array, power off, connect final drive. Start array to ensure everything is good. This procedure is strictly for replacing data drives in an unRAID array. 7 Final) on a typical budget PC. Under Unraid a 'Clear disk is one that has been completely filled with zeroes and contains a special signature to say that it is in this state. A 10TB rebuild for example only takes me about 17hrs. If I have to replace stuff, I´d basically replace everything with the exception of the 750 Watt PSU, CPU cooler, SSD and RAM. txt are not able to be listed here. The second was the expandability by a single drive vs ZFS/freenas, I didnt want to have to replace every drive with a larger one or create a new pool with an equivalent amount of drives (which I likely would have done 6 disks vdevs with 1 parity if I went with ZFS). Here’s the steps to replace a drive in unraid: Shut down the docker service (Settings > Docker) and VM Manager (Settings > VM) and disable auto start (Settings > Disk) ssh into unraid (or use the web terminal) Manually consolidate any data you wish to keep onto the single disk1 (e. Usage as a NAS only requires 1 GB of RAM, and the whole system is loaded. unRAID is installed on a flash drive that is used to boot the machine. Installing unRAID should be pretty straight forward. You can add up to 2 parity drives. Currently, unRAID is setup to have dual parity, so both the 5TB and 6TB drives are set as parity and are totally unusable for storage. I'm actually in the process of consolidating my storage a bit. In this video, we install the new 8TB drives we shucked in the previous video, into our unRAID server. To start your 30-Day Free Trial your server must have an internet connection. When a drive is added to a parity-protected unRAID array, it is first cleared by writing zeroes to all bits of all sectors of that drive. I have a lot of hard drives and I'm always buying more. A 10TB rebuild for example only takes me about 17hrs. Additional devices attached to your server can be utilized with the unassigned devices plugin. I stopped the array, powered off, replace the 400gb parity with the new 500gb and powered up. Format as follows, use lsblk -f and fdisk -l to locate the correct device and replace below. 2 NGFF / NVMe Interface Card - 1 Port - M. The best free alternative to Unraid is OpenMediaVault, which is both free and Open Source. Is there a way to remove all the info from the green drive named (sdb) to the new drive named (sdd) without having to set up a parity disk. I run two unRAID Pro servers with just about 140TB between them and I don't use parity on either of them. Since I have a full backup, I don't need or want parity. Please feel free to contribute to Unraid and fill out these missing translations. Best Unraid Alternatives in 2021. Because if/when a drive dies and you have to replace it, rebuild the parity and/or dig in the case you are being a household admin. The recently launched My Servers plugin provides secure remote access to Unraid users via a unique url on a subdomain of unraid. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). The system will rebuild the drive with no data loss. Like that, if 2 drives happen to fail, you have those 2 parity drives to rebuild the data on replacement drives. unRAID is installed on a flash drive that is used to boot the machine. If a drive in the array fails, then the data on the other drives remains intact. Currently, unRAID is setup to have dual parity, so both the 5TB and 6TB drives are set as parity and are totally unusable for storage. Jul 7, 2010. Below, you'll find a new blog detailing the latest Unraid 6. unRAID 6 is a lightweight system in the sense that it can be booted off even a 512 MB flash drive on any x86_64 system. When a drive is added to a parity-protected unRAID array, it is first cleared by writing zeroes to all bits of all sectors of that drive. unRAID will only see one parity drive as it will be the one assigned to the parity slot on the Devices page. If that doesn't suit you, our users have ranked more than 10 alternatives to Unraid and 16 is free so hopefully you can find a suitable replacement. unRaid has three license levels - free (3 drives), then a 6 drive license and then the pro, which is ~20 drives. I have never, not to say it's not possible, to see 3 drives break at once. Install unRAID. The second was the expandability by a single drive vs ZFS/freenas, I didnt want to have to replace every drive with a larger one or create a new pool with an equivalent amount of drives (which I likely would have done 6 disks vdevs with 1 parity if I went with ZFS). Unraid is not like traditional raid as the data is not striped. In Main Assign the new disk to Parity. Follow prompts to: create a new remote n. A zero value will not impact parity. To start your 30-Day Free Trial your server must have an internet connection. Go to Setting -> Disk Settings and Set "Enable Auto Start" to Yes. Usage as a NAS only requires 1 GB of RAM, and the whole system is loaded. Additional devices attached to your server can be utilized with the unassigned devices plugin. Here's the steps to replace a drive in unraid: Shut down the docker service (Settings > Docker) and VM Manager (Settings > VM) and disable auto start (Settings > Disk) ssh into unraid (or use the web terminal) Manually consolidate any data you wish to keep onto the single disk1 (e. The drive replacement is a bit of a hassle with the coolermaster 4in3 drive cages, but they are cheap and so far I have only had to add drives to my system and not replace any. unRAID is installed on a flash drive that is used to boot the machine. Currently, unRAID is setup to have dual parity, so both the 5TB and 6TB drives are set as parity and are totally unusable for storage. I have three 8-bay Synology NAS and I always seem to want more free space. So, apart from the two data drives, the parity drive and the cache that currently make up the official UnRAID array, the extra four bays give Tested Technology the option of running a more or less autonomous JBOD server from the same device. Unraid is described as 'An operating system for personal and small business use that brings enterprise-class features letting you configure your computer systems to maximize performance and capacity using any combination of applications, VMs, storage devices, and hardware' and is an app in the Backup & Sync category. You can add up to 2 parity drives. Essentially, one drive in your system keeps a backup of all the other drives, so if you lose one, then it can rebuild the data that was there. Samsung SSD as Parity. Two hard disk drives to ensure data protection with a parity disk Additional requirements apply when adding applications or virtual machines. Additional devices attached to your server can be utilized with the unassigned devices plugin. Jul 7, 2010. The following entries are missing translations. I'm very excited about what the future holds for Lime Technology as we continue to be on the forefront of digital media storage innovation. Now, at this point I was real worried, I was thinking that maybe my AsRock motherboard was bad and I was going to have to get a replacement. If something happens to the other drive, I can rebuild the data on another replacement drive with no problem. Something liek zfs could easily be 2-4x faster with these drives if used in a raidz array. Unraid is described as 'An operating system for personal and small business use that brings enterprise-class features letting you configure your computer systems to maximize performance and capacity using any combination of applications, VMs, storage devices, and hardware' and is an app in the Backup & Sync category. It should be enough information and explanation to get a Linux newbie running with two data drives and a parity drive (the maximum for the free version) with the most recent version (4. Without large cache drives and running Raid Z1 with 4 drives (1 drive as parity) i have streamed four or five users all watching HD movies without issues. In my case, I actually pulled out one of the 1. Right, so I currently have an unraid server with a 2Tb Seagate Skyhawk as a parity drive, originally based on opinions on reddit and unraid forums that a surveillance drive made for 24/7 writes would work well. After that the new parity drive with do a sync. So even if you lose data disks beyond how many parity drives you have, you only lose the data on those data disks you've lost. cp -rv /mnt/disk2/* /mnt/disk1/). I have an unraid with 8 drives. My NAS: The storage miser: OS unRAID v. Make sure you don't assign a current data disk to the parity slot. What this does is reset the drive list that unRAID uses. Assign the old parity drive in the slot of the old data drive being replaced You should now have blue drive status indicators for both the parity drive and the drive being replaced. Proceed with the Replacing a Data Drive procedure. I have three 8-bay Synology NAS and I always seem to want more free space. unRAID 6 is a lightweight system in the sense that it can be booted off even a 512 MB flash drive on any x86_64 system. I have no Parity setup on the server yet. Provided the UnRAID licensing, the system will be able to accommodate up to 13 drives (6+1 on motherboard, 4x on the Promise card, 2x on the Bytecc card). select the option to enter your AWS credentials in the next step 1. Additional devices attached to your server can be utilized with the unassigned devices plugin. Please, if you can, support the channel and donate https://go. How Many Devices are Supported By Unraid? The parity protected array is limited to 30 storage devices (28 data and 2 parity) and 24 storage devices in the cache pool. Shut down the server. I have purchased the 4TB WD Red drives for as low as $114. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. Power on, and add final drive as parity. I run two unRAID Pro servers with just about 140TB between them and I don't use parity on either of them. It is never a good idea to put a "gaming" GPU in the same box as your primary household storage pool if you DON'T want to be an admin at home and you want "ease of use" (which is really uptime). This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). When a drive is added to a parity-protected unRAID array, it is first cleared by writing zeroes to all bits of all sectors of that drive. The procedure Stop the array Unassign the old drive if still assigned (to unassign, set it to No Device) Power down [ Optional ] Pull the old drive (you may want to leave it installed for Preclearing or testing) Install the new drive Power on Assign the new drive in the slot of the old drive Go to. The use of Parity in Unraid assures us that we can lose 1 disk and still have access to any data that was on that disk. If you go back to the main array page now, you'll see that your drives are ALL unassigned. You could set-up a fresh 2-3 drive array on your new hardware with unRAID and copy your data from each of your 8 4TB drives one at a time. So even if you lose data disks beyond how many parity drives you have, you only lose the data on those data disks you've lost. 2 on their home server and is looking to add a new hard drive to their unraid array. If it still takes that long. The procedure Stop the array Unassign the old drive if still assigned (to unassign, set it to No Device) Power down [ Optional ] Pull the old drive (you may want to leave it installed for Preclearing or testing) Install the new drive Power on Assign the new drive in the slot of the old drive Go to. I'm thinking about moving off of Windows since none of the disk pooling options (Drive Pool, Drive Bender, FlexRAID, Storage Spaces) have the performance and reliability of Linux or BSD. I have three 8-bay Synology NAS and I always seem to want more free space. Best Unraid Alternatives in 2021. To run a wide gamut of applications your system should consist of at least a quad-core CPU (2. Just remove the old parity drive and add the new one, and start the array. I may wind up just moving everything to FreeNAS just to be able to put it all in one physical server and eliminate one node. Its the biggest drive for the system so I understand that it must replace my parity drive. See full list on wiki. As long as the parity drive is as big or bigger than the largest drive size in the array you're good to go. If I have to replace stuff, I´d basically replace everything with the exception of the 750 Watt PSU, CPU cooler, SSD and RAM. This unraid tutorial will be helpful for anyone looking for how to expand parity drive, how to replace parity drive with bigger drive, or even how to make parity drive bigger. I then installed the SageTV Docker, and let it create the recordings and import folders. Each file in the array is only located on one drive. I just bought 8 x 10TB WD Gold drives to replace the 8TB Seagate SMR drives in my main UnRAID server. This may not have the spit and polish that spaceinvaderone has in his videos, but it's a real example of how to handle a potentially failed drive in UNRaid w. What do you do when a drive fails in your UnRAID system? This video shows you how to recover without data loss. Recently I have had hard drives consistently becoming "disabled" on my new AsRock EP2C602-4L/D16. Its been running happily for about three weeks. select the option to enter your AWS credentials in the next step 1. If you go back to the main array page now, you’ll see that your drives are ALL unassigned. You could set up a share for a bunch of drives exclusively, but you'd still have only one parity drive for protection. If it still takes that long. 3 hard drives as data drives. I just bought 8 x 10TB WD Gold drives to replace the 8TB Seagate SMR drives in my main UnRAID server. Regarding the moving of data into unRaid, I did the same as Taddeusz above. unRaid has three license levels - free (3 drives), then a 6 drive license and then the pro, which is ~20 drives. This, hopefully without losing data. The second was the expandability by a single drive vs ZFS/freenas, I didnt want to have to replace every drive with a larger one or create a new pool with an equivalent amount of drives (which I likely would have done 6 disks vdevs with 1 parity if I went with ZFS). In fact, if only the parity drives fail, then there's no data loss at all. All SSD Array. This is true, flexible expansion is one of the great perks of unRAID (only rule: data drives must be the same size or smaller than parity disks). Reducing the chances of losing data. The unraid parity swap procedure is great for anyone running unraid 6. 1) From what I understand, you need one parity drive. Make sure you don't assign a current data disk to the parity slot. Unassign the parity drive. Like that, if 2 drives happen to fail, you have those 2 parity drives to rebuild the data on replacement drives. If you have more than 6 data drives connected, I would recommend having 2 parity drives set up. I have three 8-bay Synology NAS and I always seem to want more free space. I am using UnRAID Pro 6. This video is a tutorial on how to replace and/or upgrade a disk in your unRAID server's array. The 3 16Tb drives alone take up more than 1k€ on their own. My suggestion when upgrading parity is to: 1. This may not have the spit and polish that spaceinvaderone has in his videos, but it's a real example of how to handle a potentially failed drive in UNRaid w. the failing driver and the new drive both are. Since I have a full backup, I don't need or want parity. Power on, and add final drive as parity. The recently launched My Servers plugin provides secure remote access to Unraid users via a unique url on a subdomain of unraid. 0 Flash Drive "I have been told that USB3 sticks may not work". I just bought 8 x 10TB WD Gold drives to replace the 8TB Seagate SMR drives in my main UnRAID server. Heat kills hard drives. A 10TB rebuild for example only takes me about 17hrs. 1) If one drive fails (say #3) the parity drive does fancy things and you have to "rebuild" data when you purchase a replacement drive #3? Yes or No? 2) If two drives fail (say #3 and #7) the parity drive CANNOT help you and you lose data that was on drives #3 and #7, but ALL OTHER drives have their data intact. No cache drives. As long as the parity drive is as big or bigger than the largest drive size in the array you're good to go. Provided the UnRAID licensing, the system will be able to accommodate up to 13 drives (6+1 on motherboard, 4x on the Promise card, 2x on the Bytecc card). No cache drives. A zero value will not impact parity. unRAID to Replace Xpenology (For Me) November 1, 2020 ~ Admin. If something happens to the other drive, I can rebuild the data on another replacement drive with no problem. 0-beta25 / CPU Intel i7 6700 / Cooler Master MasterWatt Lite 500 Watt 80 Plus / ASUS Maximus viii Hero / 32GB Gskill RipJaw DDR4 3200Mhz / HP Mellanox ConnectX-2 10 GbE PCI-e G2 Dual SFP+ Ported Ethernet HCA NIC / 9 Drives total 29TB - 1 4TB seagate parity - 7 4TB WD Red data - 1 1TB laptop drive data. This is true, flexible expansion is one of the great perks of unRAID (only rule: data drives must be the same size or smaller than parity disks). So even if you lose data disks beyond how many parity drives you have, you only lose the data on those data disks you've lost. I have three 8-bay Synology NAS and I always seem to want more free space. Learn more about the movement to automate tedious tasks and how to monitor and be alerted to key events in your home. The 3 16Tb drives alone take up more than 1k€ on their own. input your MinIO secret key MINIO_SECRET_KEY. Assign the old parity drive in the slot of the old data drive being replaced You should now have blue drive status indicators for both the parity drive and the drive being replaced. Under Unraid a 'Clear disk is one that has been completely filled with zeroes and contains a special signature to say that it is in this state. This may not have the spit and polish that spaceinvaderone has in his videos, but it's a real example of how to handle a potentially failed drive in UNRaid w. I have never, not to say it's not possible, to see 3 drives break at once. Installing unRAID should be pretty straight forward. Jun 04, 2021 Season 1 Episode 3. Several disks can be added simultaneously in this way. Unraid is an operating system for personal and small business use that brings enterprise-class features, maximized performance and. Disk 1 Loss: normal RAID takes over, parity still in place. After that is completed you can move the data back from your personal computer. I'd highly recommend reading about Parity from Unraid themselves. Install unRAID. name it (in my case, minio) select storage type Amazon S3 Compliant 4. Start with a large empty drive formatted with XFS, pick a data drive to convert, then copy it all to the empty drive, then swap the XFS drive with the original drive. Essentially, one drive in your system keeps a backup of all the other drives, so if you lose one, then it can rebuild the data that was there. I'm thinking about moving off of Windows since none of the disk pooling options (Drive Pool, Drive Bender, FlexRAID, Storage Spaces) have the performance and reliability of Linux or BSD. When a drive is added to a parity-protected unRAID array, it is first cleared by writing zeroes to all bits of all sectors of that drive. After that the new parity drive with do a sync. Your USB drive must contain a unique GUID (Globally Unique Identifier) and be a minimum 1GB in size and a maximum 32GB in size. A 10TB rebuild for example only takes me about 17hrs. 3 – go to devices tab, remove parity drive from configuration 4 – power down system via “powerdown” button 5 – remove existing 750 GB parity drive, replace with new 1 TB drive 6 – power on unraid. I have no Parity setup on the server yet. Avoid using a backplane or replace it. I have three 8-bay Synology NAS and I always seem to want more free space. Its no use to just buy a new MoBo and CPU to maybe safe like 30W or whatever and still have 13drives running. My suggestion when upgrading parity is to: 1. The following entries are missing translations. Format as follows, use lsblk -f and fdisk -l to locate the correct device and replace below. Something liek zfs could easily be 2-4x faster with these drives if used in a raidz array. unRAID is installed on a flash drive that is used to boot the machine. Probably not the wisest move but it worked out, well, unRAID installing itself on the new. Provided the UnRAID licensing, the system will be able to accommodate up to 13 drives (6+1 on motherboard, 4x on the Promise card, 2x on the Bytecc card). unRAID to Replace Xpenology (For Me) November 1, 2020 ~ Admin. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). In my case, I actually pulled out one of the 1. I stopped the array, powered off, replace the 400gb parity with the new 500gb and powered up. Power on, and add final drive as parity. cp -rv /mnt/disk2/* /mnt/disk1/). Its been running happily for about three weeks. Be on the lookout for the Unraid 6. To run a wide gamut of applications your system should consist of at least a quad-core CPU (2. Right, so I currently have an unraid server with a 2Tb Seagate Skyhawk as a parity drive, originally based on opinions on reddit and unraid forums that a surveillance drive made for 24/7 writes would work well. Best Unraid Alternatives in 2021. txt are not able to be listed here. Since I have a full backup, I don't need or want parity. Unraid is also efficient in how you can expand the size of the array. Your USB drive must contain a unique GUID (Globally Unique Identifier) and be a minimum 1GB in size and a maximum 32GB in size. Please feel free to contribute to Unraid and fill out these missing translations. Rinse and repeat until all bits of data have been accounted for. You could set-up a fresh 2-3 drive array on your new hardware with unRAID and copy your data from each of your 8 4TB drives one at a time. So if drive 8 is dead, then I know to look in the lowest 4in3 drive cage and grab the top drive. Unassign the parity drive. If I lose a drive, I just replace it and copy the missing data from the backup server. Now, at this point I was real worried, I was thinking that maybe my AsRock motherboard was bad and I was going to have to get a replacement. The unraid parity swap procedure is great for anyone running unraid 6. (2017-08-13, 11:58) idgforum Wrote: If I swap out an old 2 TB disk and put in a 6TB can I first precleared it from the USB 3 port? The parity drive is 4TB and UnRaid gonna use the 6 TB as a parity drive when I take the old disk out and put the new 6 TB in a SATA port. Run preclear on the drive a could of times (not necessary but will stress test the drive to find early failure). The recently launched My Servers plugin provides secure remote access to Unraid users via a unique url on a subdomain of unraid. If your replacement drive is larger than the parity drive, then proceed to The parity swap procedure. Installing unRAID should be pretty straight forward. Start array to ensure everything is good. Assign the old parity drive in the slot of the old data drive being replaced You should now have blue drive status indicators for both the parity drive and the drive being replaced. If I understand what you saying you should replace and assign both data and parity drives and then do a new config. Just remove the old parity drive and add the new one, and start the array. If I lose a drive, I just replace it and copy the missing data from the backup server. The procedure Stop the array Unassign the old drive if still assigned (to unassign, set it to No Device) Power down [ Optional ] Pull the old drive (you may want to leave it installed for Preclearing or testing) Install the new drive Power on Assign the new drive in the slot of the old drive Go to. The 3 16Tb drives alone take up more than 1k€ on their own. unRAID does not require the replacement drive to be the same size as the old drive being replaced. Right, so I currently have an unraid server with a 2Tb Seagate Skyhawk as a parity drive, originally based on opinions on reddit and unraid forums that a surveillance drive made for 24/7 writes would work well. If all you want to do is replace your Parity drive with a larger one, then you don't need the Parity Swap procedure. After that is completed you can move the data back from your personal computer. Tens of thousands of these subdomains have now been documented on SecurityTrails with a subset providing direct access to the login pages of the associated Unraid servers. Once the new drive is full of zeros, unRAID can silently slip it into the array without needing to rebuild parity. I recently bought a 4Tb Toshiba S300 which is their own surveillance drive to swap out with the Skyhawk to allow bigger drives. I'm very excited about what the future holds for Lime Technology as we continue to be on the forefront of digital media storage innovation. Start the Array. Usage as a NAS only requires 1 GB of RAM, and the whole system is loaded. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). UnRaid - Has the ability to mix different size drives, expand but adding additional drives at any time, but keep in mind licensing is required for additional drives. This thread is awesome too, I have often wondered how parity worked. You could set-up a fresh 2-3 drive array on your new hardware with unRAID and copy your data from each of your 8 4TB drives one at a time. This is true, flexible expansion is one of the great perks of unRAID (only rule: data drives must be the same size or smaller than parity disks). In fact, if only the parity drives fail, then there's no data loss at all. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. Usage as a NAS only requires 1 GB of RAM, and the whole system is loaded. Just remove the old parity drive and add the new one, and start the array. The best free alternative to Unraid is OpenMediaVault, which is both free and Open Source. Unraid, Anaheim, California. This may not have the spit and polish that spaceinvaderone has in his videos, but it's a real example of how to handle a potentially failed drive in UNRaid w. the failing driver and the new drive both are. This procedure is strictly for replacing data drives in an unRAID array. My NAS: The storage miser: OS unRAID v. Proceed with the Replacing a Data Drive procedure. I just bought 8 x 10TB WD Gold drives to replace the 8TB Seagate SMR drives in my main UnRAID server. When a data drive fails, unRAID will start recovery on the replacement drive by again adding up the first bit of each drive, then compare it to the first bit of parity drive, then write either a 0 or a 1 to the replacement drive to make the total match the parity drive again. 2 on their home server and is looking to add a new hard drive to their unraid array. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). 1) If one drive fails (say #3) the parity drive does fancy things and you have to "rebuild" data when you purchase a replacement drive #3? Yes or No? 2) If two drives fail (say #3 and #7) the parity drive CANNOT help you and you lose data that was on drives #3 and #7, but ALL OTHER drives have their data intact. It is never a good idea to put a "gaming" GPU in the same box as your primary household storage pool if you DON'T want to be an admin at home and you want "ease of use" (which is really uptime). This is true, flexible expansion is one of the great perks of unRAID (only rule: data drives must be the same size or smaller than parity disks). Other interesting free alternatives to Unraid are TrueNAS (Free, Open Source), Proxmox Virtual Environment. Provided the UnRAID licensing, the system will be able to accommodate up to 13 drives (6+1 on motherboard, 4x on the Promise card, 2x on the Bytecc card). If it still takes that long. Probably not the wisest move but it worked out, well, unRAID installing itself on the new. Then I can verify using the serial numbers unRAID provides. You could set-up a fresh 2-3 drive array on your new hardware with unRAID and copy your data from each of your 8 4TB drives one at a time. It should be enough information and explanation to get a Linux newbie running with two data drives and a parity drive (the maximum for the free version) with the most recent version (4. txt are not able to be listed here. Installing unRAID should be pretty straight forward. Just remove the old parity drive and add the new one, and start the array. Your parity drive backs up each drive individually, in a sense. If you go back to the main array page now, you'll see that your drives are ALL unassigned. Under Unraid a 'Clear disk is one that has been completely filled with zeroes and contains a special signature to say that it is in this state. input your MinIO access key MINIO_ACCESS_KEY. / Stefano Partida. I stopped the array, powered off, replace the 400gb parity with the new 500gb and powered up. Something liek zfs could easily be 2-4x faster with these drives if used in a raidz array. 3 – go to devices tab, remove parity drive from configuration 4 – power down system via “powerdown” button 5 – remove existing 750 GB parity drive, replace with new 1 TB drive 6 – power on unraid. Since I have a full backup, I don't need or want parity. I went ahead and added all the drives of concern to unRAID, as well as a single new drive. If all you want to do is replace your Parity drive with a larger one, then you don't need the Parity Swap procedure. Format as follows, use lsblk -f and fdisk -l to locate the correct device and replace below. Install unRAID. If something happens to the other drive, I can rebuild the data on another replacement drive with no problem. I have a lot of hard drives and I'm always buying more. At first I figured it was because I ripped out the unRAID USB drive from a Quanta S210-X22RQ and into the AsRock motherboard. This, hopefully without losing data. The safer approach follows:. What this does is reset the drive list that unRAID uses. Be on the lookout for the Unraid 6. Disk 3 Loss: parity is now broken array becomes unusable. After trying most of those things, the drives would still fail during a Parity Sync or after some duration of time when added back to the array. In this video, we install the new 8TB drives we shucked in the previous video, into our unRAID server. What do you do when a drive fails in your UnRAID system? This video shows you how to recover without data loss. Furthermore, the parity rebuild process is much less intense. Power on and add new disk 3 to array config. The system will rebuild the drive with no data loss. select the option to enter your AWS credentials in the next step 1. To replace it: Go to Setting -> Disk Settings and Set "Enable Auto Start" to no. I added only the new drive to the pool (didn't have a parity drive yet). Several disks can be added simultaneously in this way. Usage as a NAS only requires 1 GB of RAM, and the whole system is loaded. Its been running happily for about three weeks. de: Computer & Accessories. I'm thinking about moving off of Windows since none of the disk pooling options (Drive Pool, Drive Bender, FlexRAID, Storage Spaces) have the performance and reliability of Linux or BSD. To run a wide gamut of applications your system should consist of at least a quad-core CPU (2. Probably not the wisest move but it worked out, well, unRAID installing itself on the new. I have a lot of hard drives and I'm always buying more. Installing unRAID should be pretty straight forward. Well, a second parity will protect you from and compensates 2 drive failures between the first failure and a rebuild. I have no Parity setup on the server yet. My NAS: The storage miser: OS unRAID v. If I lose a drive, I just replace it and copy the missing data from the backup server. Its the biggest drive for the system so I understand that it must replace my parity drive. Welcome, and thank you for reading the Unraid monthly digest for September 2020. Since Synology allows mixing drive capacities, I have been continually buying higher capacity hard drives and replacing smaller capacity drives. Like that, if 2 drives happen to fail, you have those 2 parity drives to rebuild the data on replacement drives. Unraid OS Pro supports up to 30 storage devices in the parity-protected array (28 data and 2 parity) and up to 35 named pools, of up to 30 storage devices in the cache pool(s). Currently, unRAID is setup to have dual parity, so both the 5TB and 6TB drives are set as parity and are totally unusable for storage. Finally, here is a picture of all the drives used minus the Toshiba drive used from previous tests. If I understand what you saying you should replace and assign both data and parity drives and then do a new config. I'd highly recommend reading about Parity from Unraid themselves. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). This may not have the spit and polish that spaceinvaderone has in his videos, but it's a real example of how to handle a potentially failed drive in UNRaid w. My system has been up and running for about 8 years now and I've never had more than one drive fail at any given time so having multiple parity drives always seemed like overkill to me. Start with a large empty drive formatted with XFS, pick a data drive to convert, then copy it all to the empty drive, then swap the XFS drive with the original drive. Disk 2 Loss: parity disk takes the place of the 2nd lost disk. Here are several examples, none of which are my own: Example 1, Example 2, Example 3. Now would be a good time to do any drive swapping you intend to do. If it still takes that long. Proceed with the Replacing a Data Drive procedure. I went ahead and added all the drives of concern to unRAID, as well as a single new drive. Just remove the old parity drive and add the new one, and start the array. That is part of the reason (along with the ability to mix and match drives of any size and speed) that it is so worth the money. 0 Flash Drive "I have been told that USB3 sticks may not work". Since Synology allows mixing drive capacities, I have been continually buying higher capacity hard drives and replacing smaller capacity drives. One parity drive for up to 7 drives?--If you want parity protection, you need one parity drive, but you can go without it - of course then no protection for a drive failure. Unraid is not like traditional raid as the data is not striped. So even if you lose data disks beyond how many parity drives you have, you only lose the data on those data disks you've lost. If you go back to the main array page now, you’ll see that your drives are ALL unassigned. To run a wide gamut of applications your system should consist of at least a quad-core CPU (2. Unraid OS Pro supports up to 30 storage devices in the parity-protected array (28 data and 2 parity) and up to 35 named pools, of up to 30 storage devices in the cache pool(s). This state is needed before a drive can be added to a parity-protected array without affecting parity. You could set up a share for a bunch of drives exclusively, but you'd still have only one parity drive for protection. If I have to replace stuff, I´d basically replace everything with the exception of the 750 Watt PSU, CPU cooler, SSD and RAM. Furthermore, the parity rebuild process is much less intense. If you have more than 6 data drives connected, I would recommend having 2 parity drives set up. I also discuss some best practices for resto. Assign the new drive in the parity slot You may see more error notifications! This is normal. Just remove the old parity drive and add the new one, and start the array. name it (in my case, minio) select storage type Amazon S3 Compliant 4. UnRaid - Has the ability to mix different size drives, expand but adding additional drives at any time, but keep in mind licensing is required for additional drives. If I understand what you saying you should replace and assign both data and parity drives and then do a new config. As long as the parity drive is as big or bigger than the largest drive size in the array you're good to go. unRAID to Replace Xpenology (For Me) November 1, 2020 ~ Admin. So, apart from the two data drives, the parity drive and the cache that currently make up the official UnRAID array, the extra four bays give Tested Technology the option of running a more or less autonomous JBOD server from the same device. Its the biggest drive for the system so I understand that it must replace my parity drive. Setup a new share called "VM-C-drive" and set it to "cache only", then add that as path to your VM, and install windows on that one. If I have to replace stuff, I´d basically replace everything with the exception of the 750 Watt PSU, CPU cooler, SSD and RAM. Is there a way to remove all the info from the green drive named (sdb) to the new drive named (sdd) without having to set up a parity disk. Start the Array. Amazing as it seems, a single parity drive can add protection for all of the others!. I, fortunately, found a 2TB purple drive lying around and decided to replace the green drive with the purple drive. Two hard disk drives to ensure data protection with a parity disk Additional requirements apply when adding applications or virtual machines. A 10TB rebuild for example only takes me about 17hrs. unRaid has three license levels - free (3 drives), then a 6 drive license and then the pro, which is ~20 drives. The primary purpose of an Unraid array is to manage and protect the data of any group of drives (JBOD) by adding a dedicated parity drive. When a drive is added to a parity-protected unRAID array, it is first cleared by writing zeroes to all bits of all sectors of that drive. There are no other limitations in the software based on registration key type. Please, if you can, support the channel and donate https://go. The following entries are missing translations. Make sure you don't assign a current data disk to the parity slot. input your MinIO access key MINIO_ACCESS_KEY. cp -rv /mnt/disk2/* /mnt/disk1/). In Main Assign the new disk to Parity. So if drive 8 is dead, then I know to look in the lowest 4in3 drive cage and grab the top drive. Rinse and repeat until all bits of data have been accounted for. What this does is reset the drive list that unRAID uses. (all kinds of options there, freenas is awesome too) With unraid if you have a 4 drive array one of which is parity, and want to expand, either a) replace a smaller drive with a larger, or b) add a drive to the array. Essentially, one drive in your system keeps a backup of all the other drives, so if you lose one, then it can rebuild the data that was there. 1,046 likes · 19 talking about this. 0 Flash Drive "I have been told that USB3 sticks may not work". If a drive in the array fails, then the data on the other drives remains intact. If all you want to do is replace your Parity drive with a larger one, then you don't need the Parity Swap procedure. Additional devices attached to your server can be utilized with the unassigned devices plugin. Power on and add new disk 3 to array config. 3 hard drives as data drives. There are more than 10 alternatives to. Unraid is also efficient in how you can expand the size of the array. I have three 8-bay Synology NAS and I always seem to want more free space. It should be enough information and explanation to get a Linux newbie running with two data drives and a parity drive (the maximum for the free version) with the most recent version (4. To address your question of how Unraid handles a failed drive, you simply stop the array, replace the failed drive with one of equal or greater size (HUGE benefit), and restart the array. 1) If one drive fails (say #3) the parity drive does fancy things and you have to "rebuild" data when you purchase a replacement drive #3? Yes or No? 2) If two drives fail (say #3 and #7) the parity drive CANNOT help you and you lose data that was on drives #3 and #7, but ALL OTHER drives have their data intact. Best Unraid Alternatives in 2021. May 30, 2018. Install unRAID. I have purchased the 4TB WD Red drives for as low as $114. Proceed with the Replacing a Data Drive procedure. 7200rpm drives are about 15% fast in most uses compared to a eqv 5400rpm drive. the failing driver and the new drive both are. input your MinIO secret key MINIO_SECRET_KEY. The use of Parity in Unraid assures us that we can lose 1 disk and still have access to any data that was on that disk. Disk 2 Loss: parity disk takes the place of the 2nd lost disk. 3 – go to devices tab, remove parity drive from configuration 4 – power down system via “powerdown” button 5 – remove existing 750 GB parity drive, replace with new 1 TB drive 6 – power on unraid. After that the new parity drive with do a sync. Heat kills hard drives. What this does is reset the drive list that unRAID uses. The unraid parity swap procedure is great for anyone running unraid 6. If you go back to the main array page now, you'll see that your drives are ALL unassigned. This will eventually be one killer server, with the ability for upto 22Terebytes of space (1 parity drive, 1 cache drive, 11 data drives, all at 2Tb in size). You could set-up a fresh 2-3 drive array on your new hardware with unRAID and copy your data from each of your 8 4TB drives one at a time. If I have to replace stuff, I´d basically replace everything with the exception of the 750 Watt PSU, CPU cooler, SSD and RAM. unRAID will only see one parity drive as it will be the one assigned to the parity slot on the Devices page. This thread is awesome too, I have often wondered how parity worked. If you go back to the main array page now, you’ll see that your drives are ALL unassigned. It is never a good idea to put a "gaming" GPU in the same box as your primary household storage pool if you DON'T want to be an admin at home and you want "ease of use" (which is really uptime). That is part of the reason (along with the ability to mix and match drives of any size and speed) that it is so worth the money. Two hard disk drives to ensure data protection with a parity disk Additional requirements apply when adding applications or virtual machines. I recently bought a 4Tb Toshiba S300 which is their own surveillance drive to swap out with the Skyhawk to allow bigger drives. Start with a large empty drive formatted with XFS, pick a data drive to convert, then copy it all to the empty drive, then swap the XFS drive with the original drive.