Zfs destroy cannot unmount device busy. Closed jdeluyck opened this issue Dec .

• Zfs destroy cannot unmount device busy For zvols, the There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. 5. Thread starter svennd; Start date Jan 28, 2016; Forums. Cross-reference FreeBSD bug 265517 – zpool status pool: rpool state: ONLINE status: Some supported and requested features are not enabled on the pool. Proxmox Virtual Environment. It says When I try to remove a service of a docker-compose file, I see the following error: "Error": "container 11b03: driver \"zfs\" failed to remove root filesystem: exit stat Hi, I know that if we need to unmount a device, we use the command umount mount-point, example 'umount /tmp/mount1' But We can also unmount the device with device Cannot export 'rpool': pool is busy. Trying to destroy a dataset on that pool states that it is busy so I believe that is the System information Type Version/Name Distribution Name debian buster Distribution Version 10. Its easy to setup and Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) This is in high-availability context: two head nodes connected to dual-ported SAS shelves, ZFS on multipathed disks, ucarp managing the "cluster ip" and running zpool import -f You signed in with another tab or window. Same error message appears when I use Cannot Unmount/Export pool, yet nothing is using it? I have a mirror pool that holds snapshots. 1. Members Online • gothaggis. You switched accounts If the file system to be destroyed is busy and cannot be unmounted, the zfs destroy command fails. 11-pve1 / zfs Related topics on forums. Related topics on forums. I've checked using fstat, and still find no references to the datasets I'm trying to umount and destroy. You may cleanup all later: umount -l /PATH/OF/BUSY-DEVICE umount -f For a local filesystem you can never force unmount it while it has processes actively using it. This command tries to unmount EFS volume cannot unmount because device is busy #112. By continuing to use this site, you are consenting to our use Open files. I would like to delete the SSDs/hs-b44gz FS but destroy is not allowed because it is apparently busy. 6-1~trusty). Be cautious when forcibly unmounting a file system if its contents are root@localhost:~# zfs create -V 1G Pool1/zvol_loop && zfs destroy Pool1/zvol_loop cannot destroy 'TestIscsiTargetsPool1/loop': dataset is busy. To destroy an active file system, use the -f option. Sometimes, when you run the umount command Related topics on forums. initial_source: storage zfs. It just hangs trying to unmount drives. 2 STABLE , I was able to do rm -rf * under the dataset, but still can't zfs destroy -rf volume2/dataset or zfs unmount -f , both still return Device busy. service, but it can still be activated by: docker. com for thread: "Cannot destroy zvol - "dataset is busy"" Similar threads R. Solved: the solution is to mount /mnt first, then create and mount any subdirectories under it I set up a couple of jails and ports trees with iocage and pot and poudriere, which all use zfs. ADMIN MOD "device is busy" when trying to destroy a zpool . with nothing left for the disks to do, I rebooted Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link). 2G 459G 11. 0-rc3 Storage Driver: zfs Zpool: tank Zpool Health: ONLINE Parent Dataset: tank/docker Space Hi, I test ZFS on a ubuntu 12. As soon I access them, they will are blocked and I am unable to destroy them or to reboot the system. Destructive mode is not what you think; that setting that you just changed only affects the UI; when you change it to "Yes" the ZFS Master # sudo zpool export -f mynas umount: /mynas: target is busy (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1). To destroy an active file system, use the Hello there, i try to delete a dataset but can not because it seems to be busy, either from the gui nor the shell. 9. Keep getting: cannot unmount: /mnt/FREENAS/***x: device is busy Hi, Similar instances has been reported in the past, and was reportedly solved, but it seems to have recurred in my case (Ubuntu 14. You can unmount ZFS file systems by using the zfs unmount subcommand. SYNOPSIS. 3-U3. Closed houdinisparks opened this issue Dec 12, 2019 · 13 comments Closed After I refactored the automation # zfs destroy tank/home/ahrens cannot unmount 'tank/home/ahrens': Device busy # zfs destroy -f tank/home/ahrens. 19. To forcibly unmount a file system, you can use the –f option. com for thread: "Replication task fails with massive error: 'pool or dataset is busy cannot unmount'" Similar threads T. The pool can still be used, but some features are The correct thing would be to zpool export the pool. I'm experiencing such kind of problem right now: # zfs destroy zroot/2013-10-15T065955229209 cannot destroy 'zroot/2013 Go to zfs r/zfs. Here is what I Background: I am exploring how to copy an ordinary LVM-on-LUKS Debian 9 ("Stretch") installation from a thumb drive (the "source drive") onto a ZFS-formatted drive (the $ umount -f /mnt/data $ umount2: Device or resource busy $ umount: /mnt/data: device is busy If I type "mount", it appears that the directory is no longer mounted, but it hangs if I do "ls 如果文件系统在删除的时候是忙的和不能unmount则zfs destroy命令失败。 # zfs destroy tank/home/ahrens cannot unmount 'tank/home/ahrens': Device busy # zfs destroy -f Greetings all, Consulting gpart how do destroy partition table: -F Forced destroying of the partition table even if it is not empty. I've tried Unmounting ZFS File Systems. 4 64bits system. A reboot ist mostly impossible (at least root@carbon:~# zpool destroy -f usbcka cannot open 'usbcka': pool I/O is currently suspended root@carbon:~# zpool set failmode=continue usbcka cannot set property for An umount command is used to unmount a device/partition by specifying the path to the directory where it has been mounted. 1-1 SPL Version 0. -f Force unmount (in case of an unreachable NFS system). action: Online the device using 'zpool online' or replace the device with 'zpool replace'. # uname -srv Linux 2. Use this option with caution as it can umount： /data1/img： device is busy umount： /data1/img： device is busy 2、提示被占用，使用强制卸载 [root@localhost /]# umount -f /data1/img umount2： Device or Since the jail files are deleted regardless as previously denoted, this issue may be addressed with the following PR: Option to force destroy jail in ZFS So basically issuing for example bastille I have a share with no files in it. 5") - - VMs/Jails; 1 xASUS I've see similar issues, but all of them were closed. 4 xSamsung 850 EVO Basic (500GB, 2. root@pve:~# zfs destroy rpool/vm-109-disk-0 cannot destroy 'rpool/vm-109 FreeNAS-11. socket root@pve:~# Hi all, I have a test deployment of TrueNAS Scale (Dragonfish-24. 32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012 zfs 0. 8 TiB, 2000398934016 bytes, 3907029168 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size Using 'zfs unmount -f' will unmount the file system, but I'd like to know why that was necessary. The unmount command can take either the mount point or the file system name 解決策2 : fuserまたはlsof操作を使用して、ファイルをロックしたプロセスを見つけ、そのIDをメモします。. ) However, what you can do on TASK ERROR: zfs error: cannot destroy 'pool1/subvol-161-disk-1': dataset is busy At the same time i have tried to remove one of unused lxc container, and got error one more It just says cannot destroy 'HDD-POOL-RAIDZ2/vm-1012-disk-0': dataset is busy "zfs list -t snapshot" does not show anything at all. 3G /zroot zroot@b4iocage 3. I destroyed the pool in libvirt but cannot destroy the Originally, I used the following method to stop a busy dataset to enable me to export this dataset for a pool rebuild. Now it is strongly encouraged to cannot unmount '/mount/zfsmountpoint': Device busy /mount/zfsmountpoint: cannot unmount '/mount/zfsmountpoint': Device busy /mount/zfsmountpoint: cannot unmount Make sure the container you are trying to delete is not included in the current backups, if it is go to Datacenter > Backup > Select the Backup entry and click on Edit, un (But even killing off gvfs did nothing to help--I tried that on the off-chance that it had somehow gotten involved with ZFS. " I've run into a problem that I cannot destroy a dataset, not after reboot and unmounting everything. ix-apps/docker': pool or dataset is Hi there, I recently changed my cache drive from btrfs to zfs, and now when I try and stop the array, it gets stuck trying to unmount the disk shares. I'm done using these jails and have unmounted and deleted them from the # zfs destroy tank/home/matt cannot unmount 'tank/home/matt': Device busy # zfs destroy -f tank/home/matt. Using lsof - Find and Kill the processes using the file. kernel 2. 2 My plan is to zfs-send / zfs-receive the VM-disks (zvols) from time to time to this box from my Proxmox-host. I’m trying to wipe my pool/dataset and start fresh Unmount all zfs filesystems zfs umount -a once relevant services are off. 04 using ZFS as the storage backend: config: source: storage volatile. use 'zfs destroy' to $ ll `which zfs` -rwsr-sr-x 1 root admin 127048 6 Dec 13:19 /usr/local/sbin/zfs* $ zfs unmount WD_1TB Running process: '/usr/sbin/diskutil' 'unmount' '/WD_1TB' Unmount failed So I decided to make a test ZFS and worked great, but now that I want to delete it and add a few extra disks, it tells me that the pool is busy. 8. 9G 4. I do not remember creating this zfs, and have no idea what "type" it is. 10. Some diagnostics from command line below (I cannot access Gridcoin (GRC) is a cryptocurrency that incentivizes participation in the production of science. The dataset is After following spaceinvader1's latest guide of upgrading your cache drive to zfs I can't reboot my server. root@truenas[~]# zfs destroy four10tz/Xen02/data01 cannot destroy After upgrading zfs 0. I'm trying to destroy a zpool - and when I type 'zpool destroy -f poolname' I $ zfs unmount tank/home/glori cannot unmount '/tank/home/glori': Device busy $ zfs unmount -f tank/home/glori. 0 Architecture x86_64 ZFS Version zfs-0. UPDATE: I am now on FreeNAS 11. I encountered Unload key doesn't work, it says that the dataset is busy, even if it has been unmounted with umount -l The encrypted folders are in fact missing because the root has been unmounted and # zfs destroy tank/home/matt cannot unmount 'tank/home/matt': Device busy # zfs destroy -f tank/home/matt. 04 with zfs v0. The lsof (list open files) command displays a list of Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free System information Type Version/Name Distribution Name Proxmox VE Distribution Version 7. You switched accounts use 'zfs destroy' to destroy a dataset. target is Anyone know how to remove it? I have tried the GUI and via the command line (zfs -d and zfs -f) and no luck. 00G - # zfs destroy rpool/foo128 When I try to unmount a zpool with a zfs in it and a user or process is using the filesystem, instead of saying something about the filesystem being busy, it says: cannot root@truenas[~]# root@truenas[~]# zfs list | grep MediaFR4G/Media 205K 16. (Requires. There are quite a few things in Linux which can keep a ZFS pool busy, blocking export and destroy commands. Use this option with caution as it can It's actually using very advanced quantum sorcery, but since Unix is Unix, everything gets dumped into the decidedly classical standard output, so that people can do System information debian 12 (ubuntu also has same problem) zpool --version zfs-2. When I try removing it I get this in the logs: Jan 5 13:52:38 Hades shfs: /usr/sbin/zfs unmount 'disk11/Other' Jan 5 13:52:38 Hades shfs: zfs destroy コマンドは、ファイルシステムに子孫が存在する場合にも失敗します。 ファイルシステムとそのすべての子孫を再帰的に破棄するときは、-r オプションを使用します。 再帰的 Hello, zfs list return NAME USED AVAIL REFER MOUNTPOINT zroot 67. 1-1 Describe root@pluto:# zfs unmount tank/testrep root@pluto:# zfs mount tank/testrep filesystem 'tank/testrep' is already mounted cannot mount 'tank/testrep': Resource temporarily Maybe have hidden dataset with a '%' in the name, can find using zdb(8) then you can use zfs destroy as usual with -f, -r, or -R options: # zdb -d tank3 | grep % Note that if the A pool itself can become unavailable if a sufficient number of its devices are unavailable. The command given by @jstasiak from #16036 gives 如果使用 zpool destroy 命令销毁池，该池仍可用于导入，如恢复已销毁的 ZFS 存储池中所述。 这意味着属于该池的磁盘上的机密数据可能仍可用。如果希望将已销毁池的磁盘上的数据销毁， zpool-destroy — destroy ZFS storage pool. So I'm following the ArchLinux ZFS as root guide on the wiki, and i get to the unmount and restart section. Best. I sync'd but I imagine zfs in nature is already making sure that's the case. Destroys the given pool, freeing up any devices for other use. ) So far, the only work-around is uninstalling ZFS, TLDR: ZFS says filesystems are mounted - but they are empty and whenever I want to unmount/move/destroy them that they don't exist It started after a reboot - i noticed that a If you have any errors, you will not be able to destroy the pool. You switched accounts I run zfs on a LUKS device hosted on a single USB-device. 2. 3) running on a computer with a few drives connected. You may cleanup all later: umount -l /PATH/OF/BUSY-DEVICE umount -f zfs error: cannot destroy : dataset is busy. 35G - You signed in with another tab or window. You can unmount file systems by using the zfs unmount subcommand. You switched accounts 然而，当尝试卸载一个正在被使用的设备时，可能会遇到"设备忙"（device is busy）的错误提示。本文将详细介绍这个问题的原因，并提供几种解决方法。强制卸载设备： 然而，当尝试卸载一个正在被使用的设备时，可能会遇到"设备忙"（device is busy）的错误提示。本文将详细介绍这个问题的原因，并提供几种解决方法。强制卸载设备： I’m running LXD 5. The state of the pool's top-level virtual device is reported as UNAVAIL. Rybena; Jul 27, Truenas scale pool suddneley fail to run [EFAULT] Failed to stop docker service: [EFAULT] Failed to umount dataset: cannot unmount '/mnt/. iX. lsofの使用方法の詳細は、lsof(8) - Linuxのmanページを参照してください。. 2M 100G 16K - rpool/swap 4. socket root@pve:~# systemctl stop docker. 116 or later. Also not possible from CLI. # gpart destroy -F /dev/nvd0 gpart: Device busy No, I think your additional drive moved your original drive from ada0 to ada1. To make sure no NFS, SMB is mounted run zfs unshare -a s_pool zpool exports support a ZFS Snapshot destroy - dataset is busy - Docker Followers 2. 7T 205K /mnt/FR4G/Media root@truenas[~]# zfs destroy -f FR4G/Media cannot unmount If the file system to be destroyed is busy and cannot be unmounted, the zfs destroy command fails. Closed jdeluyck opened this issue Dec no matter what I do. 1700-2w dataset is busy! this is oldest file, any other files including latest says dataset is busy Gui is saying 'Held by replication system'! try using zfs umount /pathToZpoolMountpoint if this doesn't work start investigating lsof /pathToZpoolMountpoint and kill the culprit. 66 Architecture x86_64 ZFS Version 0. If an incremental stream is received, then the destination file system must already exist, and its most recent snapshot must match the incremental stream's source. r/zfs. To Run cli -c 'app kubernetes config` If it shows your old pool then Truenas Scale GUI > Apps > Available Applications > Settings > Choose Pool > Choose the correct pool I tried to Stop my array and it's currently still stuck on `Retry unmounting disk share(s)` for the last 30min. I have not much to go about and I don't know if this is a bug as similar TrueNAS. 2 Linux Kernel 4. it tells me that the pool is busy. Have not tried other storage drivers. Proxmox VE: Installation and configuration zfs destroy コマンドは、ファイルシステムに子孫が存在する場合にも失敗します。 ファイルシステムとそのすべての子孫を再帰的に破棄するときは、-r オプションを使用します。 再帰的 root@pve:~# systemctl stop docker Warning: Stopping docker. You switched accounts From testing, lsof isn't especially great at this but lsof /dev/sdb1 or /dev/sdb might show you what's using the disk, but I suspect it'll not be helpful Another way might be to stop all access to the To add to BruceCran's comment above, the cause for my manifestation of this problem just now was a stale loopback mount. This situation appears to occur every night during a system test. The pool can still be used, but some features are unavailable. 04. (I tried [root@pool-01 ~] # zfs list -t snapshot -o name -S creation | grep ^ pool / nfs / public / mydir | xargs -n 1 zfs destroy -vr will destroy pool / nfs / public / mydir@autosnap_2019-02-24_03: 13: ZFS umount: pool or dataset busy . We reward people for volunteering their computational resources towards open drug discovery, zfs destroy -rv RAID10@auto-20150930. Here is what I was Hello, I'm just getting started with ZFS (OpenZFS on Linux), and am having a noob problem. 4 on Ubuntu 20. action: Attempting to temp mount backup, then delete source pool, getting "cannot destroy (source): pool is busy" I was silly and expanded a raid0 pool over time, until it was a Disk /dev/sdb: 1. You signed out in another tab or window. But still: # zfs destroy local-zfs/138561-04047b12-c416-4842-97b5-93c062f97e52 cannot destroy 'lo This Dataset was used with libvirt to provide a blockdevice to a qemu-kvm Hallo, ich kann ein Dataset nicht löschen, weil der darin befindliche Snapshot nicht gelöscht werden kann. I need to stream these out, but the pool refuses to unmount only with the error "unmount failed. With iSCSi in particular, if iSCSI was sharing the zvol, and then you decide to Cannot destroy: dataset is busy on empty unused dataset #12881. die GUI meldet mir folgendes Problem beim versuch das Dataset zu zfs error: cannot destroy 'pool0/vm-210-disk-0': dataset is busy (500) dataset is busy I've tried unmounting the 'pool0' dataset and retrying the destroy command, but no dice. To $ zpool create tank /tmp/tank $ zfs snap tank@a $ mount -t zfs tank@a /mnt $ zfs destroy tank@a # returns success $ zfs list -t snapshot NAME USED AVAIL REFER cannot destroy 'backups/sr5': volume has dependent clones use '-R' to destroy the following datasets: backups/clone-sr5-20120418 [root@zback1 server]# zfs destroy -R zfs ボリュームが含まれているプールをエクスポートするには、最初にそのボリュームのコンシューマがすべてアクティブでなくなっていることを確認してください。 zfs ボリュームの詳 Maybe because kernel, modules you specified to load in /boot/loader. Adding This worked in 1. I use a ZFS dataset for my /home directory and I was Unmounting ZFS File Systems. 如果文件系统具有后代，则 zfs destroy 命令也会失败。要以递归方式销毁文件 Containers: 2 Running: 0 Paused: 0 Stopped: 2 Images: 1 Server Version: 1. In this case, you can I can't delete a zfs pool and its snapshots, what can I do? # zfs destroy -vfrR disk3/backup will destroy disk3/backup@littleboy_2023-12-19-04:40:40 will destroy You signed in with another tab or window. --With that out of the way, you should be able to ' zpool export toshiba ' and have it unmount everything. However, I encountered the I am having this same issue. I'd already checked the output of fuser -vm <mountpoint>/lsof +D Those should be temporary datasets that are created during the receive process, that get renamed to the correct snapshot once the receive is complete, and should never be Hi, ZFS Master plugin developer here. 4-17 Kernel Version 5. And I have problems with snapshot. Started to "proof of concept" my approach. To provide for backward compatibility, the legacy umount command can be Hi all, From GUI, I cannot delete an disk in the local-zfs storage list. Processes with open files are the usual culprits. zfs unmount サブコマンドを使用して、ZFS ファイルシステムをマウント解除できます。unmount コマンドの引数として、マウントポイント Fix ZFS VM disk deletion issue/ cannot delete dataset is busy I switched back to ZFS on my Proxmox nodes after one year because I needed replication. 4-1 Can't The unmount command fails if the file system is busy. Although In the terminal, `rm -rf <directory>` returns "Cannot remove device or resource busy" Details: There is nothing in the share (confirmed in terminal using ls -alh) The You can verify if it is successfully unmounted using the df command. On the long term you should setup a cron job to run a scrub at least once a month. zpool: destroy [-f] pool: DESCRIPTION. 00G 99. If you don't have errors, stop all sharing services that use the pool or remove the sharing properties on the file ZFS should give much better hint about the situation (this happen often) and diagnostic instructions, because LSOF show nothing. Open comment sort options. root@Pegasus:~# zpool destroy -f pool0/ISOs. The issue appeared after I tried to setup a ZFS pool for libvirt. Use this option with caution as it can You signed in with another tab or window. Locked; Cannot Destroy "name" dataset is busy. zfs doesn't --First of all, you should be doing ' zpool ' commands as root. 9-3 zfs-kmod-2. 9 Linux Kernel 4. The most common reasons are that NFS or iSCSI is using that dataset/zvol. ZFS Snapshot destroy - dataset is busy - Docker (9223): /usr/sbin/zpool export cache-mirror Jun 13 ZFS ファイルシステムをマウント解除する. cannot open 'pool0/ISOs': invalid character '/' in pool name. All This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. ) cannot unmount I've seen this before. Reload to refresh your session. The device failed (probably bad cable/connection, because the disk reads fine on another machine). 00G - rpool/foo128 66. 12. conf and modules required by the specified modules got larger on 14. truenas. I can mount/umount it, but not delete it. Works fine with devicemapper on 1. 6. 4-1 on Debian 6 I have some problem with zfs destroy and unmount. If this fails, get to Example 29 Destroying an Active ZFS File System If the file system to be destroyed is busy and cannot be unmounted, the zfs destroy command fails. We have a number of freenas systems and are doing zfs replication for backup purposes. The zfs destroy command also fails if a file system has descendents. The zfs destroy command also fails if a file system has children. Top If you want to automatically delete the mountpoint directory when unmounting a ZFS file [SOLVED] ZFS Root - cannot export zroot: pool is busy. 9-3 amd64 Describe the problem you're observing during the install You signed in with another tab or window. I tried updating to the RC version Jorge suggested but unfortunately I still get a bunch of spam of this whenever I try to stop the array: zpool destroy data cannot unmount '/data': pool or dataset is busy could not destroy 'data': could not unmount datasets zfs unmount /data cannot unmount '/data': pool or dataset # zfs list -t vol NAME USED AVAIL REFER MOUNTPOINT rpool/dump 4. 2 This is kind of a strange one to me. Share Sort by: Best. 15. 108-1-pve Architecture x64 OpenZFS Version zfs-2. If nothing is using the file systems then it should unmount them all for you although there's nothing wrong with doing a If the file system to be destroyed is busy and cannot be unmounted, the zfs destroy command fails. I switched back to ZFS On Linux on my Proxmox nodes after one year because I needed replication. (in some cases useful info about processs that use the device is found by lsof(8) or fuser(1)) cannot unmount "/test/fold00":umount failed. Display them: lsof +f -- <mountpoint or device> There is an advantage to using /dev/<device> rather than /mountpoint: a mountpoint System information Type Version/Name Distribution Name Debian Stretch Distribution Version 9. but you There is a way to detach a busy device immediately - even if it is busy and cannot be unmounted forcefully. docker run -d -it busybox /bin/sh Fix ZFS On Linux VM disk deletion issue/ cannot delete dataset is busy . pool_name: storage description: "" name: New comments cannot be posted. To (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1)) umount2: Device or resource busy cannot unmount '/storage': umount failed So something is If the file system to be destroyed is busy and cannot be unmounted, the zfs destroy command fails. I am attempting to install Ubuntu on a ZFS encrypted, and RAIDed, file system. 1 with zfs driver. Use this option with caution as it can # zfs destroy tank/home/ahrens cannot unmount 'tank/home/ahrens': Device busy # zfs destroy -f tank/home/ahrens The zfs destroy command also fails if a file system has descendents. (I see you've already tried this, I try to make # zpool status pool: data0 state: ONLINE status: Some supported features are not enabled on the pool. The unmount command can take either the mount point or the file system name I am trying to delete a dataset but I get the "Cannot unmount :device busy". As root check these (assuming POOLNAME=<yourpool>): Sufficient replicas exist for the pool to continue functioning in a degraded state. 3-U5" Similar threads G umount: /test/fold00: device is busy. com for thread: "Getting "cannot unmount '/var/db/system" when setting up zfs replication in 11. Your p2 on the original disk is a swap partition, that's what the fstab entry was referring to. tbokjf mdd dhmi yeu lxpfns ruqnvbq hpql jttb ihpwu gmf