Proxmox zfs cannot mount directory is not empty Anyway they are mounted into the (Linux-) file tree but no one ever stores a single (Linux-)file or (Linux I have an LXC container that has a bind mount to a host folder. service: I believe this stems from I have Proxmox VE 6. 4, the native Linux kernel port of the ZFS file system is introduced In my attempts to understand how Proxmox storage works in a cluster, I took a spare disk and tried to add it through the web GUI via node -> Disks -> Directory -> Create: Directory. Modified 5 years, zfs create rpool/store cannot mount '/rpool/store': directory is not empty filesystem successfully Part 9) Configure Samba/ZFS SMB. chalan Member. I will put the arr apps and jellyfin in docker containers. 9G / zroot/cache Appears our system is starting to run low on disk space (VM running on Windows Hyper-V) and am looking for ways to reclaim disk space, as my understanding is that the The most portable and secure way will still being: "mount into empty folder" – hek2mgl. For more information, see the Proxmox manual: So, with the understanding that I'm Turnkey provides Linux apps/services "baked" into Linux (eliminates the install/basic config plus gives you webmin). 394 seconds) Nov 16 08:48:07 proxmoxbox2 Looking to your storage config your ZFS nvme_cluster pool must have mount point to /nvme_cluster The Proxmox community has been around for many years and offers help Having same issue but I wasn't happy with the solution of fstab. Filesystem Just a guess but could it be that you are mounting a filesystem on a directory which is not empty, and ZFS is warning you about it When I boot from a life USB, and run For more information about the zfs umount command, see zfs(1M). Storage': directory is not empty Nov 27 10:06:52 TracheServ systemd[1]: zfs-mount. Here is what I was root@TracheServ:~# cat /etc/pve/storage. therefore (Also found out that you can not properly create a directory on a local ZFS filesystem. 0 server into an Ubuntu 16. This directory should not exist. service is showing it as failed - but as you say, it seems to be up. Trying to mount it manually fails: Indeed, that directory (which was created automatically) is not empty because it contains empty subdirectories, one for each ZFS FWIW, I stumbled onto this issue because I never set a proper ZFS cache with Code: zpool set cachcefile=/etc/zfs/zpool. This step will establish a /etc/pve is not a normal directory, it's actually an SQLite database mounted to that directory using FUSE. That host folder is a mount itself to a folder on a raspi over an sshfs connection. Sep 21, 2017 #4 i did something wrong at the beginnig a have done On the fresh Nov 27 10:06:52 TracheServ zfs[24968]: cannot mount '/Nextcloud. You can find the Series Overview This is probably not a zfs issue. ). cfg zfspool: local-zfs pool rpool/data content rootdir,images sparse 1 dir: local path /var/lib/vz content I have installed a new proxmox server and when i try to create a ZFS or LVM it says "No Disk Unused" in devices list. How does that happen, and more importantly, how can I recover it? The vm disk directory is also missing, but an old directory I've got a Proxmox instance running ZFS with a couple of pools and datasets, listed below: cannot open directory //rpool: No such file or directory. I had shared the mounted files with the container in its own mount point, so the zfs pool imported automatically on boot in Ubuntu 18. service: Main process exited, code=exited, root@local:~# cat /etc/pve/storage. We think our You need to remove the redundant, unused mountpoint attribute from the datasets. service daemon failed to start after a reboot, which causes my bind mounts to fail, which in turn Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site This glitch usually means that zfs mount -a is invoked during system start, which should not happen on Ubuntu. What happens in that case, is Proxmox ZFS Mount Points #homelab #proxmox #nas #zfs. When I tried to replicate and add HA to one of the virtual I'm trying to build a media server in a linux vm in proxmox. Go to your container→Resources→Add→Mount point. I have a hard drive connected to my proxmox server via USB and it worked just fine for a long time. Are you passing the disks to the VM and creating ZFS pool in the VM? or did you find some days before i upgraded from 101 to 111, and on nautilus i tried to make snapshots of / and /export/home/x and when i reboot some time after i couldn't login normally, and all i get is "can Good morning all, I am trying to covert some VM disks, when I go to → /var/lib/vz/images as we can see in the below screenshot it shows empty! the only place that I Hey all! I have a work around for the above, but I would like some help understanding why the workaround is necessary. This brings the ZFS is not a cluster file system. Dataset has canmount=on and mountpoint=/mnt/ssd properties set. This node now has a empty /etc/pve directory. local zfs[1295]: cannot I am also experiencing this issue, using pve-container 3. 2-2. Starting with Proxmox VE 3. None of my containers boot up. This subreddit has gone Restricted and reference-only as part of a mass protest against Reddit's recent I just tried again after an accidental I need some help here please. The issue seems to be that the LXC is being started with out first mounting the the mount point for the pool is "/zfs-pool", should that directory actually exist or is "zfs mount -a" supposed to create that directory ? I do not think that needs to exist prior to the I've just encountered a similar issue, I had a USB drive (completely blank). A directory is a file level storage, so you can store any content type like virtual disk images, containers, templates, Create the ZFS Pool. 04. So zfs send | recv will still fail. For example, $ mkdir /tmp/empty $ ls -ld /tmp/empty drwxr-xr-x 2 relling other 117 Jun 12 07:23 /tmp/empty/ As we see, we have some datasets that act only as an organizational (ZFS-)"folder". @patryk. Initially, it was a ZFS Raidz-1 and I delete the disk in the Storage panel. Should Proxmox share the static data directory natively using samba/zfs? Or should the folder be mounted into a container and then Up-to-date Proxmox, latest versions as of today, already rebooted the server. This makes the VM not portable/HA, Hi, My Proxmox played up and decided to do fresh clean installation, I have VM backups on dev/sdd (Spinning Disk) and want to know how can I mount the existing disk that ZFS is a combined file system and logical volume manager designed by Sun Microsystems. Commented Nov 28, 2013 at 17:10. I can add it under storage as 'ZFS' or as 'Directory'. For As you can see your disk is split in two parts at high level: - root volume where your OS/PVE is installed. I can't seem to find a way to remove it from this section of the gui. But now, on the Disks panel there are 3 disks ZFS who For a VM, you should only pass through an --empty drive-- and do nothing to or with it from the Proxmox host. That device This seems to crop up most often in relation to replication - I zfs umount datasets prior to replication, then zfs mount them afterward, and it pretty frequently fails oddly. The mountall utility that is installed by ubuntu-zfs does not Hi all, today i restarted one node of our proxmox cluster with pve 7. I try to run zfs mount apool/plex for example When I boot from a life USB, and run 'zpool import -a -R /mnt' I see that without mounting anything (zfs mount -a), the /var directory, the /root directory, and the /home directory all show I have just finished converting my installation from grub to boot from EFI, and everything seems fine, I just have one niggling message that I can't seem to find the fix for. I had a Docker container started Trying to mount, remount or share zfs filesystems fails with "directory not empty" and "Resource temporarily unavailable" messages: [root@bothy ~]# zfs umount -a the target directories for the mount operation need to be empty. Or, you can "zfs mount -O pool/volume" to force it to mount over As far as I am aware, unless you pass -N to the zfs import command, it will mount the pool's datasets (if canmount=on, a mountpoint is set, and the mountpoint dir is empty [or overlay=on]). I have already been through that link and mounting regular directories works great, #zfs mount rpool/ROOT/pve-1 can help you . I had created a ZFS pool of 8 HDDs and a few VMs (20. Just check your zfs mount point. Your second suggestion won't really work because the pool cannot Edit: I mean let’s say you have ZFS pool /tank with some directories in it and also a ZFS dataset /tank/movies. Problem was Proxmox creates its storage folder structure (dump, images, private, template) before zfs mounts so zfs complains that the directory is not empty. 1. Anyway they are mounted into the (Linux-) file tree but no one ever stores a single (Linux-)file or (Linux I have OMV 6 installed in a Debian 11 lxc and have used a bindmount to mount my zfs pool in to the container under /mnt/data. As storage If the dataset is nested, and the parent dataset is not on the remote server, it will also create the parent dataset with the readonly attribute set. Feb 21, 2015 9,673 but I'm not convinced. If rpool (the root dataset) is actually unused, remove the mountpoint attribute and set it on the dataset actually used # zpool export morpheus # zpool import morpheus cannot mount '/': directory is not empty # zpool export morpheus # zpool import -R /mnt morpheus # zfs list morpheus NAME USED AVAIL I had a lot of trouble migrating from TrueNAS to Proxmox, mostly around how to correctly share a ZFS pool with unprivileged LXC containers. Either take note of the mount point or backup the lxc conf files as well. You cannot safely use the same disk in both the host OS and pass it through to the VM with While the process went smoothly, I'm having trouble accessing the ZFS pool in new virtual machines that I create on Proxmox. That just mounts a directory on your local disk to store your containers and VHDs and isos. Apr 23, 2021 The Proxmox community has been Hi, the disks do have content from the old installation (VMs are stored in the old data tree) I don't use LVM or ZFS on them, but instead have them installed with the "Directory" option. I noticed that in order to get them working I need How would I tell. May 19, 2017 49 0 46 33 you CANNOT remove the mountpoint from the # Run zfs mount -a during system start? ZFS_MOUNT='yes' # Run zfs unmount -a during system stop? ZFS_UNMOUNT='yes' Mount is to a specific location with the same name This appears to show that now none of my rpool is mounted apart from the proxmox partition. Using . but The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway. 04, pool no longer imported on boot - I don't see any errors anywhere, but might be missing something. I am also Apr 24 23:51:38 docker zfs[71542]: cannot mount '/var': directory is not empty Apr 24 23:51:38 docker zfs[71542]: cannot mount '/home': mount failed Apr 24 23:51:39 docker systemd[1]: zfs Hello fellow Proxmox enthusiasts, I want to set up a few LXC containers which need to access network shares (SMB/CIFS). Make sure that you can still see the content of your smb share from the dropdown and zfs create rpool/store cannot mount '/rpool/store': directory is not empty filesystem successfully created, but not mounted How do I remove the files and directories at /rpool/store ? zfs This directory doesn't actually exist anymore. fusermount -u /mountpoint else use this to I just installed Proxmox on a host machine and add it to a cluster. I want to create shares in this folder, so as per the suggestion Hi Everyone, This started when I ran into issues trying to start an lxc container after I did a reboot. However, as soon as I return to a normal session it becomes unable to unmount again. ) Reactions: T. loop0: detected capacity change Proxmox VE can use local directories or locally mounted shares for storage. Started to "proof of concept" my approach. And somehow got a mad behaviour. So, I created a symlink under c:\Users\<username> that After last update in no-subscription on one of my test servers, zfs fails to import and mount datasets on boot. 1-10. Also on a server installed one single SSD disk (this disk has nvme0n1 tag). But when I create ZFS, it the newly created zpool only appears in ZFS list, not in storage list (so I cant choose it as a location to install OS on VMs) As you can I have a ZFS pool (mirrored RAID) on two disks that I've transferred from a FreeBSD 11. The reason was that the mounted directory must be under the user's home directory. Both work fine, When I create a VM on the ZFS mounted as zfs create tpool/tst cannot mount 'tpool' on '/': directory is not empty cannot mount 'tpool/tst' on '/tst': failure mounting parent dataset High IO on KVM/LXC host will hang server Hi, new Proxmox/server user here. PVE however creates directories which will then prevent zfs from I try to run zfs mount apool/plex for example I get cannot mount '/apool/plex': directory is not empty This is true it contains about 1. navigator Well-Known Member. For the not yet mounted filesystems, move all files and directories below the mounpoint somewhere else, then Hi@all after a reboot of my pve host the lxc container (ID 108) will not start. cfg, for zfs addition) - created a snapshot - added a server to the cluster - on server 2, I added a container backup In addition to the 2 mirrored drives for the OS, the server came with 5-840GB SSDs unallocated, and I'm attempting to create a pool using ZFS across all 5 SSDs and then divide On my server /zpool contained /zpool/subvol-102-disk-1/dev and /zpool/subvol-103-disk-1/dev resulting in a failed zfs-mount. Use the proxmox kernel instead of the debian kernel. 5G 192G 96K /zroot zroot/ROOT 28. service and not running the lxc containers. Everything would Thanks a lot for this awesome Tutorial. ex music folder with audio files by NFS share local-zfs (zfs) which contains: Disk image, Container On this fresh install with no VMs created, local-zfs is empty. I dont see any reason for that. It took a full backup of a VM last night and then This way, the Directory on ZFS has time to mount before any VM tries to use content from it and it doesn't create a empty folder in its place. Not 100K subscribers in the Proxmox community. In my case pacman created package cache inside it. While I found guides like Tutorial: However, umount /srv/data/* (not zfs umount -a because that complained about something and segfaulted), rmdir /srv/data/* and then zfs mount -a then always works. After fixing, I also changed My plan is to zfs-send / zfs-receive the VM-disks (zvols) from time to time to this box from my Proxmox-host. Is it Trying to mount, remount or share zfs filesystems fails with "directory not empty" and "Resource temporarily unavailable" messages: [root@bothy ~]# zfs umount -a After creating the zpool you have to add it to the proxmox gui. Assuming you are using bind mounts in a container: did you make the permissions of the container directory where the bind mount is being mapped permissive Try creating directory style storage. Some googling leads me to bind mount I just finished upgrading from V5 to V6 of proxmox and have an issue with LXC 's not starting. ZFS can automatically share file systems by setting the sharenfs property. beza That's because the redirection Lxc backups exclude mount points to eliminate potential self-reference problems during backup. You can add the zfs storage to proxmox gui this way: Datacenter -> Storage -> Add -> ZFS -> "ID: RAIDZ" Pool: In a normal case, you can simply unmount the directory using umount from the root $ umount /mountpoint For unprivileged user. Tbh tho I’d consider rebuilding your host and installing Same for " zfs list " So I cannot destroy any zpool . I started with two empty 3TB hard drives, so my process began with connecting the drives to my server. Sharing and Unsharing ZFS File Systems. and . C. I used to have no problem automatically importing all my ZFS pools on boot, but recently I have to do Go to Node→Disks→ZFS and click Create: ZFS to add your second disk as ZFS storage to Proxmox VE. Therefore I still prefer my solution since it works with any type of storage. As root check these (assuming POOLNAME=<yourpool>): As we see, we have some datasets that act only as an organizational (ZFS-)"folder". 0-4 without subscription. I am running a backup script every Very clever indeed. I had a couple old 2TB rust drives lying around so Hi, I'll preface this with 'this is very likely self-inflicted'. And no, not what getopt said; it would help if people would only I think xpenology system can only index files if they are on the disk that is owned by the system (baremetal or disks passthrough to it). Update: Everything was working fine up until a month or so ago when the zfs-mount. I suppose the I'm still having the error on boot with ZFS mounting failing via Systemd, and systemctl status zfs-mount. Using Hello, I have a QNAP SAN with a specific folder full of ISO's. There is a button to install the proxmox kernel in omv-extras. 9G 192G 96K none zroot/ROOT/default 28. Re: ZFS as root "cannot mount /root directory not empty" Just a guess but could it be that you are mounting a filesystem on a directory which is not empty, and ZFS is warning Hello, I have a problem to delete my ZFS disk. I’m trying to better understand the inner I have mounted my ZFS share /tank/to my container (8002) with this command: # pct set 8002 -mp0 /tank/,mp=/mnt/tank/ But now when I boot up the container (running ubuntu Hello, I have a QNAP SAN with a specific folder full of ISO's. I If it is - then you should not be mounting direct disk sdX anything, it should be /dev/mdxx something If you show community what is working, vs only whats not working as Hi there, I just discovered proxmox a few days ago and am a bit of a noob to it and hypervisors in general, so please bear with. I even managed to corrupt my pool in the process. We can consume these Turnkey apps/services with Proxmox in the form I know it's not ideal but I'd also like these zpools to be a temporary backup location. This is the output of df. However, I have noticed that since Note that FUSE3 changelog states that: The -o nonempty mount point has been removed, mounting over non-empty directories is now always allowed. Tim Kye. I created it via the GUI and added it as a backup drive. service runs and attempts to mount the zfs mount points you will get these kind of Then I manually load keys with: zfs load-key -a - still no issues. Reply reply Top 2% Rank by size I'm new to the world of Proxmox and have been having a great time. This guide is a part of a series on Proxmox for Homelabs. These information are shown in my disk details from The problem with creating a directory for something before is mounted is that when zfs-mount. Your VMs virtual disks are zvols, so they are not part of a filesystem so When I boot from a life USB, and run 'zpool import -a -R /mnt' I see that without mounting anything (zfs mount -a), the /var directory, the /root directory, and the /home directory all show I currently have Proxmox on ZFS set up like this: rpool (2x100GB SSD Mirror) fast (2x 500GB SSD Mirror) LXC 111 500 GB Mount point '/cloud' from 'slow' LXC 112 VM 121 VM 122 slow (4x root@uslaysdnas01:/tank# zfs mount tank/scans cannot mount 'tank/scans': filesystem already mounted root@uslaysdnas01:/tank# zfs umount tank/scans cannot Hello! I'm having this weird behavior with Proxmox installation with a ZFS pool (RAIDZ2, 12x10 TB) with a single VM with 72 Tb allocated. Storage': directory is not empty Hi, I came across this post while trying to figure out how to mount my zfs pool to a container. 3TB worth of stuff, which I dont want to There are quite a few things in Linux which can keep a ZFS pool busy, blocking export and destroy commands. Ask Question Asked 6 years, 1 month ago. Jul 02 08:24:05 openmediavault. I connected the USB Device in Proxmix Seems that the easiest way would be to create a disk, mount it in the container that runs samba and expose it, to then mount it in proxmox itself to share with with other proxmox-backup-manager datastore remove (Name of the Unit) N. This workaround does the trick for me. Reply reply Top 2% overlay=off|on Allow mounting on a busy directory or a directory which already contains files or directories. LnxBil Distinguished Member. I've been using proxmox 6 on a couple nodes for the last 2 years or so with great success and I've (mostly) enjoyed the For more information about the zfs umount command, see zfs(1M). I tried with CT first because I read that you can bind mount a zfs dataset with CT but not with a VM. cfg dir: local path /var/lib/vz content backup,vztmpl,iso lvmthin: local-lvm thinpool data vgname pve content images,rootdir dir: I am curious though about how do best use my ZFS pool. 9G 192G 28. I checked the zfs pool, and the backup directory is missing. In my case, I do not even see a "/dev" directory in the mounting path. However, I mounted the NFS to a new folder under /mnt/pve, then I tried to rm -rf the old SMB mount, and it deleted I guess you should read a bit how ZFS works, especially the difference between a "dataset" and a "zvol". I just need to tell my apps ZFS is really built with spinning disks in mind, The Disk is 25G, I have some TB free space on the ZFS pool. I tried unmounting it, then rebooted it, but it still comes up. Navigate using the Server View in the upper left: Datacenter -> Since there were a couple moving parts, not really sure which one helped. After importing the pool, I see: NAME USED AVAIL Something that kept hurting me early on in my Proxmox/ZFS journey was a file or directory being created in the mount point and preventing the ZFS Pool from mounting. If I add f. Sharing and Unsharing ZFS File Systems ZFS can automatically share file systems by setting the sharenfs property. If you bind /tank you will see all the directories, but the /tank/movies directory will be empty. I'm having trouble configuring my machine to use all 3 TB of storage on my hard disk, I already have 3 VMs set up, and I noticed that the Update: Problem solved. guletz Famous Member. The Do ZFS on the host. . I tried via Proxmox UI and it gives me the following error, which I cannot explain: Code: I'm not too picky about using a CT or VM for OMV. cache r720xd1 update-initramfs -k all -u In short (Solution): I was able to backup the pool to the external HDD, unfortunately I am not sure what fixed the problem. Mounted ZFS is - fresh install - created container (see first topic /etc/pve/storage. You can use nfs or smb as others mentioned, or you simply create a disk image on your zfs pool that mounts directly into your VM. 2 LTS server. I managed to do all steps and see my CIF shared folder with all contents in my mounted folder inside of the LXC container command line. If the directory is empty then the link count will be 2 (. This volume is 100G - data volume which is presented as LVM pool from ZFS cannot delete directory tree. However this will only work if your LXCs are stored on a ZFS/BTRFS volume. I am able to use the workaround described Given that no filesystem is listed as mounted on /mnt/sdc and that exactly that folder is the one containing all that data, I'd say you had not mounted your external drive before making the All the required hints / instructions on how to mount a ZFS filesystem have already been given above by the way. This disk I'll be use in ZFS file system. root@proxmox:/etc/pve# df Filesystem 1K-blocks Used Available Use% Mounted on udev 16391604 0 16391604 0% /dev tmpfs 3289876 9568 Hey Guys, ich have a Problem. I configured this on my proxmox server and the NFS mount shows up, and the ISO's show up on disk on the pve The container has been started successfully but the mounted directory was empty. Herrmann. Now we need to create the ZFS pool. The Directory no longer reverts to showing the space I am also having this issue after updating to the latest Proxmox version: Nov 27 10:06:52 TracheServ zfs[24968]: cannot mount '/Nextcloud. This is the default mount behavior for Linux file systems. But in Datacenter > Backup > sharedzfs > edit > drop down "content" I cannot select In the proxmox GUI under disks I can see all the disks plugged in, one of them is an SSD that I am using to host proxmox and the VMs, with other drives for data. This is my first proxmox zfs config and by mistake I was selecting the zfs pool instead of the mountpoint (the Directory). I'm very new with proxmox and zfs, my setup is 3-node cluster. Apr 19, 2017 1,648 296 128 Brasov, Romania. So my questions are: 1. Mar 16, 2015 119 4 16. And here comes the mounting part. 2024-01-19. It assumes it is the only thing allowed to write to a disk it is using. Manage it through the VM. When I say empty, I mean zero information. I configured this on my proxmox server and the NFS mount shows up, and the ISO's show up on disk on the pve I installed openmediavault-zfs also (not sure if needed) but the problem I'm having is OMV expects a device to create shared folders and I don't see a way to add /mnt/home as a device or share /mnt/home from webgui directly. That helped a bit. 10 Updated to 20. Aug 07 21:40:43 pve2 zfs[1629]: cannot mount '/storage': directory is not empty Aug 07 21:40:43 pve2 systemd[1]: zfs-mount. It was the first reboot of the host after I have created the container The disk of the container resides I'm stuck about mounting an host directory into an LXC container; the directory has to be read/write and the container is unpriviledged. I adjusted two things: Specified the mount point when creating the Essentially, you can remove the afflicted directory (making sure the zfs is not currently mounted) and it should then remount. I've tried adding a ZFS storage under "Storage" with the Is there a way to mount a directory that lives on a disk on the proxmox host and into a container or VM? What I mean is that I have a directory /mnt/tank/whatever on the proxmox $ zfs list NAME USED AVAIL REFER MOUNTPOINT zroot 30.
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