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https://www.truenas.com/community/threads/zpool-and-all-devices-unavailable-after-reboot.18032/ Zpool and all devices UNAVAILABLE after reboot | TrueNAS Community This is new supermicro hardware, and my first ZFS box. I've got 36 NL-SAS drives attached to six LSI SAS2308 controllers (one onboard, five HBAs) in... all devices zpool unavailable reboot truenas https://zpool.ca/ zpool - the miners multipool zpool: the miners multipool paying bitcoin for alt coins the miners zpool https://www.truenas.com/community/threads/zpool-import-failed-one-or-more-devices-are-missing-from-the-system.82570/ Zpool import failed: One or more devices are missing from the system. | TrueNAS Community 1 of 6 hdds failed completely in my raidz1. For freenas the pool state was unknown, so I checked (one drive was missing, replaced it and hoped I could start... https://www.truenas.com/community/threads/auto-zpool-recovery-import-when-log-device-or-bad-drive-blocks-import.15040/ auto zpool recovery import when log device or bad drive blocks import. | TrueNAS Community Please excuse my nu be mistakes while posting. I have had problems with pools not importing because of a bad zil or l2arc. I think it would be nifty to... https://www.truenas.com/community/threads/unable-to-access-files-after-freenas-crash-zpool-import.96474/ SOLVED - Unable to access files after freenas crash/zpool import | TrueNAS Community Earlier today I was in the middle of transferring some files to my FreeNAS-11.3-U5 server and for some reason lost complete connection mid-way. The server... to access https://www.truenas.com/community/threads/zpool-import-status-one-or-more-devices-are-missing-from-the-system.72563/ zpool import "status: One or more devices are missing from the system." | TrueNAS Community Hi, FreeNAS-9.10.2-U6 So I accidentally created a "stripe" children to a old pool, I was supposed to replace the spare not to add a new children to this... https://www.truenas.com/community/threads/the-problem-of-zpool-space.70624/ The problem of Zpool space. | TrueNAS Community Hi everybody here, I'm have a freenas server in my office and now I have a problem with Zpool space. Hope somebody can help me, thanks advance. My server... the problem zpool space truenas community https://www.truenas.com/community/threads/question-mixing-sata-controllers-on-single-zpool.32710/ Question: Mixing SATA controllers on single zpool? | TrueNAS Community I'll try to keep this simple. Basic question is: Is there any reason it may be unwise or somehow detrimental to the performance or ultimate stability of a... sata controllers question mixing single zpool https://www.truenas.com/community/threads/zpool-mounts-but-doesnt-mount.84766/ Zpool mounts but doesn't mount | TrueNAS Community My FreeNAS restarted randomly and when it came back online my zpool had taken itself offline. On the GUI it had showed the pool offline but in the CLI it... doesn t zpool mounts truenas community https://www.truenas.com/community/threads/zpool-upgrade-safe.10425/ ZPOOL Upgrade safe? | TrueNAS Community Hi all, I logged into the GUI of my FreeNAS today and had the following alert: WARNING: The volume Data (ZFS) status is UNKNOWN: The pool is formatted... zpool upgrade safe truenas community https://www.truenas.com/community/threads/avail-size-mismatch-zpool-list-vs-zfs-list.45971/ avail size mismatch : zpool list vs zfs list | TrueNAS Community avail size mismatch zpool list https://www.truenas.com/community/threads/writing-halted-on-iscsi-zpool.24908/ Writing halted on iSCSI zpool | TrueNAS Community I am running 9.2.1.8 Release x64 with 6x3TB drives in a raidz2 pool. I setup an iscsi target that allocates all but 800k of the zfs pool. This config has... writing iscsi zpool truenas community https://www.truenas.com/community/threads/zpool-setup-config-not-as-intended.24797/ zpool setup config not as intended | TrueNAS Community I have 6 2TB disks in a rackmount running on my second FreeNAS system. My intention was to setup 4 disks plus 2 hot spares in a raidz2 zpool. However, I... zpool setup config intended truenas https://www.truenas.com/community/threads/disk-available-for-new-volume-but-not-to-replace-in-zpool.5532/ Disk Available for New Volume but not to replace in ZPool? | TrueNAS Community I am having an issue in replacing a disk through the GUI. I found some smart errors on 2 drives in my RAIDZ2, so one at a time, I am replacing them. The... https://lwn.net/Articles/601102/ mm/zpool: add common api for zswap to use zbud/zsmalloc [LWN.net] https://www.truenas.com/community/threads/zpool-import-failed-with-no-such-pool-available.62477/ zpool import failed with 'no such pool available' | TrueNAS Community Hi, I have been using FreeNAS several years now and yesterday the usb drive with the FreeNAS installation failed - lots of read errors on the console. I... zpool import failed available truenas https://www.truenas.com/community/threads/zpool-offline-drive-wont-online-replace.10580/ Zpool offline drive wont online/replace | TrueNAS Community Hi Happy new year all. I have read a fair few posts but haven't been able to find my scenario happening with anyone else. Existing system 5 x 2TB hard... zpool offline drive wont online https://www.truenas.com/community/threads/adding-an-extra-disk-to-a-single-disk-zpool.38236/ adding an extra disk to a single disk zpool | TrueNAS Community i originally set this up on a single 4tb disk, now i want to add a second to create a mirror, the gui wouldnt entertain me so im trying to do it via... a single adding extra disk zpool https://www.truenas.com/community/threads/scsi-medium-errors-during-scrub-showing-data-repaired-but-no-known-data-errors-in-zpool-status.87453/ SCSI medium errors during scrub, showing data repaired but no known data errors in zpool status |... Hey, I am hoping i can get some assistance or advice on some errors i am getting while scrubbing my main pool. My setup is as follows: Server: Model: IBM... https://www.truenas.com/community/threads/zpool-size-being-reported-different-in-gui.5519/ ZPOOL size being reported different in GUI.... | TrueNAS Community Hello Forum, Not sure if anyone else has seen anything similar to what I am seeing. I have only noticed this recently, I have not done any updates of... different in zpool size reported gui https://www.truenas.com/community/threads/zpool-import-unavail-cannot-open.27207/ zpool import unavail cannot open | TrueNAS Community Hi all, I've had a crash on my NAS and since then one of my drives will not import. They are all single drive ZFS pools at this point so structurally more... zpool import cannot open truenas https://www.truenas.com/community/threads/zpool-status-no-longer-showing-gptid-for-one-disk.78845/ zpool status no longer showing gptid for one disk | TrueNAS Community Hi everyone, First of all thanks for this community and product, I've only been using FreeNAS for about 1 year, but its been a fun experience using it... no longer for one zpool status showing https://www.truenas.com/community/threads/truenas-12-0-something-clearing-errors-from-zpool-status-possibly-nag-to-upgrade-to-openzfs2-0.89306/ TrueNAS 12.0 - Something clearing errors from zpool status (possibly nag to upgrade to openzfs2.0)... I have a drive that encountered 15 read errors during a scheduled scrub. Upon sourcing a replacement drive (several weeks later), I checked zpool status to... https://lkml.org/lkml/2024/3/12/116 LKML: Yosry Ahmed: Re: [PATCH 2/2] mm: zpool: return pool size in pages https://www.truenas.com/community/threads/freenas-zpool-import-unavailable-unsuported-features-last-accessed-damaged-pool-issue.84019/ FreeNAS zpool import - unavailable / unsuported features / last accessed / damaged - pool issue |... Hello, I am having an issue importing an old volume into a new system. What happened: This is an old HDD that I had in an old FreeNAS System. I think... freenas zpool import unavailable https://www.truenas.com/community/threads/zpool-out-of-space-issue-need-help-to-expand-the-current-pool.80379/ zpool out of space issue need help to expand the current pool | TrueNAS Community hello everyone, i current have a pool (tank) which run out of space, the pool does not let me change any property anymore, nor let me delete snapshot, data... https://www.truenas.com/community/threads/data-corruption-in-zpool-how-to-proceed.110447/ Data Corruption in zpool - how to proceed? | TrueNAS Community My TrueNAS Core core-dumped last night because of data corruption in the pool: pool: FREENAS state: ONLINE status: One or more devices has experienced an... how to proceed data corruption zpool truenas community https://www.truenas.com/community/threads/truenas-fresh-install-plugin-zpool-issue.88780/ TrueNas fresh install plugin/zpool issue | TrueNAS Community Hello all, I have a fresh Truenas 12 install. For Jails I created a zpool from an ssd disk. Everytime I try installing any plugin (plex, clamav, or others)... fresh install truenas plugin zpool issue https://www.truenas.com/community/threads/cant-import-zpool-help.64087/ Can't Import Zpool - Help? | TrueNAS Community I have a similar problem but my issue is: I have 3 similar hard drives 4TB Seagate NAS drives, all 3 connected but having the same error, one of the 3 hard... can t import zpool help truenas https://www.truenas.com/community/threads/zpool-clear-not-working.80489/ Zpool clear not working | TrueNAS Community Hello. So problem is that freenas alert me about errors. I checked zpool status and found that there are writing errors, check smartctl but it was ok, so i... not working zpool clear truenas community https://www.truenas.com/community/threads/reinstall-on-usb-lost-1-zpool.27109/ Reinstall On USB Lost 1 Zpool | TrueNAS Community Reinstalled my system onto a usb thumb drive with a view to going mirrored instead of using 2x small HDDs. Took a backup of the config, shutdown, removed... lost 1 reinstall usb zpool truenas https://www.truenas.com/community/threads/zpool-export.24930/ zpool export | TrueNAS Community Hi everyone, I would like to move my harddisks to a new machine but when I try to #zpool export media cannot unmount... zpool export truenas community https://www.truenas.com/community/threads/expanding-zpool-but-getting-error-message-you-are-trying-to-add-a-virtual-dev.12200/ Expanding ZPool, but getting error message "you are trying to add a virtual dev..." | TrueNAS... I have a ZFS Zpool with a single VDev consisting of 6 2TB disks in RAIDZ. I just bougth a sata expander PCI-E card, and now I'm trying to add a new VDev... https://www.truenas.com/community/threads/zpool-degraded.86667/ Zpool Degraded | TrueNAS Community Hello everyone, I use Ubuntu 12.04. Currently, my system has an error in the image, please help me, please zpool degraded truenas community https://www.truenas.com/community/threads/do-you-lose-all-of-your-data-in-a-zpool-with-2-x-raidz1-if-2-drives-die-in-the-same-vdev.73205/ Do you lose all of your data in a zpool with 2 x RAIDZ1 if 2 drives die in the same vdev? | TrueNAS... I have a new backup server that receives a daily rsync from my primary file server. It does not serve up any files to my network and is just It is running... https://www.truenas.com/community/threads/zpool-critical-status-recover.35724/ Zpool Critical Status recover. | TrueNAS Community I am getting the below alert CRITICAL: The volume vol1 (ZFS) state is DEGRADED: One or more devices has experienced an error resulting in data corruption... zpool critical status recover truenas https://lwn.net/Articles/802100/ Allow ZRAM to use any zpool-compatible backend [LWN.net] allow zram use zpool compatible https://www.truenas.com/community/threads/zpool-remove-complains-about-top-level-vdevs-not-being-the-sector-size-but-they-seem-all-same-sector-size.86683/ zpool remove complains about top level vdevs not being the sector size - but they seem all same... OLDPOOL is a pool I'm gradually dismantling, and in parts is getting down to non-redundancy which is fine (I'm grabbing disks for the current replacement... https://www.truenas.com/community/threads/11-3-stable-updated-zpool-now-all-dead-drives.83223/ 11-3 stable updated zpool, now all dead drives | TrueNAS Community 11 3 stable updated zpool https://www.truenas.com/community/threads/displayed-space-vs-zpool-list-main.28162/ SOLVED - displayed space vs "zpool list main" | TrueNAS Community I have the following, # zpool list main NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT main 1.73T 715G 1.04T - 19% 40% 1.00x... solved displayed space vs zpool https://lkml.org/lkml/2025/9/5/969 LKML: Vitaly Wool: Re: [PATCH v4 0/2] rust: zpool: add abstraction for zpool drivers https://www.truenas.com/community/threads/import-zpool-error.87352/ Import Zpool error | TrueNAS Community HI everybody. I have my own freenas 11.1U7 server in the office CPU : intel g4560 RAM: 16G DDR4 NONE ECC*2 MB: ASROCK C236 WSI BIOS VER. : P2.60 HDD: 6*HGST... import zpool error truenas community https://www.truenas.com/community/threads/zpool-import-export.3436/ zpool import/export | TrueNAS Community Hi all, I originally put together a RAID-Z1 setup under FreeNAS 0.7.2, consisting of 6 2Tb drives and a 256Gb SSD cache I had gathering dust. Since then... import export zpool truenas community https://www.truenas.com/community/threads/zpool-import-not-working.15914/ zpool import not working | TrueNAS Community [root@nas-rj-1] /# zpool import pool: Dados id: 5376331656238398075 state: ONLINE action: The pool can be imported using its name or numeric identifier... not working zpool import truenas community https://www.truenas.com/community/threads/help-finding-the-disks-that-made-a-zpool.42252/ Help finding the disks that made a zpool | TrueNAS Community Hi, I'm in trouble... I have a working 6-HD Z2 zpool (freenas 9.3), but now the disks are on my table, scrambled with 4 disks from other, broken zpools... help finding disks made zpool https://www.truenas.com/community/tags/zfs-zpool/ zfs zpool | TrueNAS Community zfs zpool truenas community https://www.truenas.com/community/threads/help-freenas-11-1-u2-stuck-at-zpool-set-cachefile.69374/ HELP! Freenas 11.1-U2 stuck at zpool set cachefile=... | TrueNAS Community Hi all Hope you can help me here. I rebooted my FreeNas 11.1-U5 system and it is now sitting at: command: zpool import -c /data/zfs/zpool.cache.saved -o... 11 1 https://www.truenas.com/community/threads/pool-unmountable-even-if-zpool-import-report-that-it-can.27681/ Pool unmountable even if zpool import report that it can | TrueNAS Community There is a member in the french section who has a problem to mount his pool (here), and who don't know enough english to post here. I've done everything I... even if https://www.truenas.com/community/threads/zpool-list-swamp.2278/ zpool list swamp | TrueNAS Community I started messing around with power management two days ago. Enabled powerd set the drives to hdd standby; 5 minutes and advanced power management; 1... zpool list swamp truenas community https://www.truenas.com/community/threads/multiple-vdevs-in-a-zpool-what-actually-happens.18401/ Multiple VDevs in a zpool - What actually happens | TrueNAS Community I haven't come across notes in what I've read yet, but I am hoping someone might help me understand. Let's say I have a zPool made up of 2 or more... in a multiple zpool actually happens https://www.truenas.com/community/threads/zpool-status-shows-device-name-instead-of-gptid-after-disk-replacement.1715/ zpool status shows device name instead of gptid (after disk replacement) | TrueNAS Community I finally got the new replacement disk to be added to the pool. With the latest nightly (7226) it was simply to do a "replace" and then a "detach". :) When... https://www.truenas.com/community/threads/zpool-iostat-bad-formatting.79035/ zpool iostat bad formatting | TrueNAS Community When I create a pool using FreeNAS, it uses long identifiers so running zpool iostat messes up the column formatting. Is this a known bug? I have not... zpool iostat bad formatting truenas https://www.truenas.com/community/threads/4-disks-striped-pool-created-with-only-one-vdev-according-to-zpool-history-o_ou-why.82794/ 4 disks striped pool created with only one vdev (according to zpool history) (O_oU) Why? | TrueNAS... There is something I don't understand about FreeNAS 11.3-U1. If I create one stripe of 4 disks using the GUI, all seems ok according to zpool status: zpool... https://www.truenas.com/community/threads/adding-a-disk-to-a-striped-zpool.39131/ SOLVED - Adding a disk to a striped Zpool | TrueNAS Community Since building my new FreeNAS system, I've been using the old HP Microserver as a backup running nightly replication. I have 7 disks (RaidZ2) in the new... solved adding disk striped zpool https://www.truenas.com/community/threads/new-motherboard-and-hba-controller-cant-zpool-import-one-or-more-devices-were-being-resilverd-freenas-crashes-with-zpool-import-f.86712/ New motherboard and HBA controller can't zpool import (one or more devices were being resilverd)... Hi there, Recently my motherboard ASRock Rack E3C224D4I-14S died. So i've replaced it with the Intel Server Board S1200v3rpl...