Issues with restoring OpenVZ Backup on 4.0 with ZFS

D

dison4linux

Renowned Member
Jun 3, 2015
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I took backups of all my OpenVZ containers (which were running on ZFS) and I'm now trying to restore them on a new 4.0 system also using ZFS, but I'm getting the error message pasted below. When I try to restore to an ext4 filesystem it works fine.

Code: 
Creating journal (32768 blocks): doneMultiple mount protection is enabled with update interval 5 seconds.
Writing superblocks and filesystem accounting information:  0/80     
Warning, had trouble writing out superblocks.TASK ERROR: command 'mkfs.ext4 -O mmp /var/lib/vz/images/224/vm-224-disk-5.raw' failed: exit code 144
 
I just noticed that it happens upon creating a new CT on ZFS storage as well.
Again, creating a new CT on ext4 storage works fine.

Code: 
[COLOR=#000000][FONT=tahoma]Allocating group tables:  0/80     done                            [/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]Writing inode tables:  0/80     done                            [/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]Creating journal (32768 blocks): done[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]Multiple mount protection is enabled with update interval 5 seconds.[/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]Writing superblocks and filesystem accounting information:  0/80     [/FONT][/COLOR]
[COLOR=#000000][FONT=tahoma]Warning, had trouble writing out superblocks.TASK ERROR: command 'mkfs.ext4 -O mmp /var/lib/vz/images/7224/vm-7224-disk-1.raw' failed: exit code 144
[/FONT][/COLOR]
 
dison4linux said:
I just noticed that it happens upon creating a new CT on ZFS storage as well.
Click to expand...

Please create and use a ZFS type storage (as opposed to a directory type storage on ZFS). That uses ZFS subvolumes
instead of ext4 formated raw files.
 
How would I correctly migrate an directory type storage based Openvz container (Proxmox 3.x into a lxc container with zfs subvolume (Proxmox 4.x) ?
 
dietmar said:
Please create and use a ZFS type storage (as opposed to a directory type storage on ZFS). That uses ZFS subvolumes
instead of ext4 formated raw files.
Click to expand...

How would I correctly migrate an directory type storage based Openvz container (Proxmox 3.x into a lxc container with zfs subvolume (Proxmox 4.x) ?
 
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