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<h1 class="service-title">Truenas remove drive from pool. Removes the specified device from the pool.<br>
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<p><span style="font-size: 18px;">Truenas remove drive from pool Can i remove it, without any damage on the pool itself? (I mean the data on it. Aug 10, 2023 · I had to sudo su and then ran the zpool commands. Transfer files from MIRROR1 to free'd up space on the 16TB drives 5. Due to performance I'd like to split these up and have one as a read cache and the other as a ZLOG device to speed up write speeds. key for my pool. I made a mistake in my pool setup and since I am using less than half my data I was going to remove some of the drives make the new pool correctly and import the data from one to the next. Wipe HDD4 3. The pool resilvers after the hot spare is activated. Now I cannot create any pools because there are no disks available. However I am not sure if something is wrong with me using the gui to remove a drive from the pool or if it is waiting on something to happen first. Then I picked one of the 6 disks and offlined it through the GUI. For example, if a 4TB WD drive fails, you could use any 4TB+ drive to replace it, but you could not use a 3TB or smaller drive. You can remove vdevs if the pool is all mirrors. My drive is now online and healthy Thank you @sretalla. Sufficient replicas exist for the pool to continue functioning in a degraded state. 1 SCALE Cluster: 2x Intel NUCs running TrueNAS SCALE 24. Many Thanks, I had a pool considering of two pairs of 1T NVMe mirrors. Feb 18, 2025 · When a RAIDZ data VDEV is present, it is generally not possible to remove a device. Nov 26, 2024 · A Hot Spare vdev sets up drives as reserved to prevent larger pool and data loss scenarios. Click the device or drive to remove, then click the Remove button in the ZFS Info widget. Feb 4, 2022 · I'm trying to remove one of the drives from a pool that is striped across two drives (I know this is dangerous and can lead to data loss). You can make a new pool and transfer data, or keep the pool and progressively replace all drives by larger ones to end up with 8*8 TB. Jul 31, 2023 · 1. I wanted to repurpose a pair of the NVMes for another use-case. I then clicked remove and it has been sitting at 40% done for about two hours now, I assume it shouldn't take that long? I am trying to redo my pool Feb 18, 2025 · When a RAIDZ data VDEV is present, it is generally not possible to remove a device. If the Remove button is not visible, check that all conditions for VDEV removal listed above are correct. Scenario 2 : - One single drive also needed to be removed from FreeNAS 1 and the drive will be plug into FreeNAS 2 and allow FreeNAS 2 to read/write the data - Need detail steps. Use HDD4 to extend the existing pool consisting of HDD3 4. (b) Once you replace all drives in a vdev with larger drives, the vdev will automatically expand, and that space will be available to the pool. Nov 18, 2024 · Click the device or drive to remove, then click the Remove button in the ZFS Info pane. Apr 6, 2024 · copy all data to the single 2TB drive, destroy the existing pool and mirror the 2TB drive and create a 2nd Z1 pool from the 4x 500GB drives; or move enough (ideally non-critical) data to the non-redundant 2TB pool so that the remaining data will fit into the 2x 500GB mirrored vdevs, and then do the zpool remove to free up the 2nd 2TB drive and Is it possible to remove this specific drive without loosing data on the pool? I know that having no redundancy is not recommended but I have limited ports for hard drives and this pool is just storing media files which is not critical data to me. 04-BETA1 MB: ASUS P10S-I Apr 19, 2024 · I dropped a clanger. I just currently don't have the time to do a full re-setup of the system. Oct 7, 2018 · @Dalton - Because the drive isn't completely failed (yet!) this effectively turns it into a mirror, then once the resilver is complete you can remove the failing drive from the "mirror" But you'll still be left with whatever corruption was already in place, as well as a striped pool with zero disk redundancy. Nov 21, 2023 · The TrueNAS SCALE GUI will let me click a button to remove the metadata mirror from the pool. Jul 6, 2023 · Thank you Patrick! your advice also helped me remove an nvme cache disk from my pool. action: Online the device using 'zpool online' or replace the device with 'zpool replace'. Wipe data from both 8TB drives 7. You should backup the data off of the pool ASAP if you haven't already. Jul 21, 2015 · Create a new pool on that disk alone; Replicate your data to the new pool; Export the old pool, marking the disks as new; Add the second 3 TB disk as a mirror to the first; Optionally rename the pool to the old pool's name; There are a few dangers with this method: If your second 3 TB disk fails after you remove the first one, your data's toast. Jul 24, 2019 · [jehos@freenas ~]$ sudo zpool status pool: MAIN state: DEGRADED status: One or more devices has been taken offline by the administrator. zpool status Tank pool: Tank state: ONLINE status: One or more devices could not be opened. To remove a VDEV from a pool: Click Manage Devices on the Topology widget to open the Poolname Devices screen. 2 for the initial time (I have never used TrueNAS before, I was not thinking (or misread) and selected both hard disks (mirrored) and the ssd as bootable. If, as expected for bulk storage, this is a 8-wide single raidz# vdev you're stuck with 8-wide forever. I installed some new disks into my server and added mirrored VDEVS into my pool (2 x 8TB drives). However, when I last disconnected Is it possible to remove this specific drive without loosing data on the pool? I know that having no redundancy is not recommended but I have limited ports for hard drives and this pool is just storing media files which is not critical data to me. 0-U6. ) 2. Remove the Mirror for MIRROR2 2. I want to take it out (that nvme drive unit) from my motherboard (i want to use Nov 6, 2020 · It just can't be smaller than the drive it's replacing. The way to move to a pool that contains only the 2 remaining HDDs is to move the data off the pool, destroy the pool, create a new pool with a 2-disk mirrored vdev. Then you can transfer your data back onto the pool. . I had a cache disc which I forgot to detach before reinstalling truenas and importing the pool. To replace a disk in a pool with a hot spare: Take the disk offline. Please be aware that your configuration is very dangerous and that the failure of any drive (or an improper use of the remove command) will result in the loss of the whole pool and all its content! Apr 19, 2021 · Hello All, I currently have a striped pool that is composed of 3 vdevs (three 3tb drives, three 4tb drives and two 12TB drives) There is currently 26TB of available space on the pool and what I'm looking to do is to remove the vdev with the two 12TB drives to re-purpose them in a different Oct 30, 2023 · Evening, I had a question about removing disks from a pool. Now, data loss is a different issue, but again, as long as the HD was put offline/standby and the data flushed, you can remove that drive as soon as the OS says so. May 27, 2021 · Aloha TrueNAS peoples :) Currently we have a RAID-Z1 pool of 4 HDD-drives that also has 2 NVME RAID-Z0 drives as cache. The total amount of data stored is less than the capacity of the drive that is not going to be removed so it should fit, however, I don't know how to tell TrueNAS that I want to eject the drive. Confirm the removal operation and click the Remove button. A mirrored log device can be removed by specifying the top-level mirror for the Dec 11, 2018 · Since I had no more SATA ports available, I first backed up my configuration and made sure I had a current geli. Also, since my log vdev was not mirrored, there was no pool name so what I did was type zpool remove <name of main pool> <drive ID from the zpool status>. (Storage > select the pool > Volume Status button > picked a disk > Offline button) Note: I have a drive cage with activity lights for each disk. I set this data pool up with one drive as cache and now would like to remove it like this: Storage > Pool > Status > cache (/dev/nvme0p1)> Remove Then add it back as a separate data pool for VM's Most information says it is ok as it is cache but I have read reports of it causing problems so I thought I would ask. 10. Nov 6, 2017 · Those are configured as single drive, not part of ZFS pool. - Need detail steps on how to remove them from FreeNAS and leave no trace on the system. Feb 24, 2019 · OS: 1 x Kingston UV400 120GB SSD - boot drive PSU: Corsair RM1000 Version: TrueNAS CORE 13. My question is: what actually happens behind the scenes when I click to remove the metadata VDEV? Will TrueNAS copy all metadata back to the main data VDEVs or will it happily remove the metadata VDEV, thereby nuking the pool? Many thanks in advance. The VDEV removal process status shows in the Task Manager (or alternately with the zpool May 15, 2016 · zpool remove pool device Removes the specified device from the pool. Apr 19, 2021 · 1. How can i do this? I mean how exactly can i remove the cache VDEV from this pool? On the GUI i can see only 'replace' button, but would like to completely remove it from the pool. I would like to have only the ssd as Feb 12, 2023 · Fully describe your hardware and pool setup. 04-BETA1 64GB RAM 10th Generation Intel i7 Samsung NVME SSD 1TB, QVO SSD 1TB Boot from Samsung Portable T7 SSD USBC CASE: Fractal Define 7 running TrueNAS SCALE 24. Oct 1, 2020 · TrueNAS CORE Supermicro 5028D-TN4T barebone Intel Xeon D-1541 - 8 cores 64 GB ECC memory 2x Transcend SSD TS32GSSD370S 32 GB (boot pool - mirror) 1x Supermicro AOC-SLG3-2M NVME card with Mar 24, 2024 · When installing TrueNAS SCALE 23. I wanted to actually remove two 2 x 3TB VDEVS from the pool as the drives are old. Create new extended pool with both 8TB's Hopefully my process I need done can be understood from that aha. Well, I successfully removed the mirror, and it copied all of the data over to the other vdev. With me so far? So, can I remove the mirrored VDEVS from the pool and “retire” the old drives? Thanks. TrueNAS automatically inserts an available hot spare into a Data vdev when an active drive fails. Remove the Mirror for MIRROR1 6. Jul 12, 2021 · If the pool is a stripe of single drive vdevs (= 1-wide mirrors), any drive could be removed by this command. Jun 17, 2024 · To be fair/specific, any spinning hard drive produced in the last 10 years would park the head when losing power, so, the risk for head crash is not really there. At first I was a little unclear of how to execute the commands you generously provided- but once I figured out I needed to be in the Linux Shell from the boot menu of the server, it was very straight forward. Side?? Aug 1, 2014 · I have a similar issue. I used the gui and went into storage > devices and went to the last drive in the pool. 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