[lxc-users] zfs issue after 'apt upgrade'

[Pavol Cupka]

what packages were upgraded, what versions of lxc,lxd are you running, and
what kernel versions are you running? what files are open on the affected
dataset?

On Thu, Jan 5, 2017 at 9:19 PM, Ingo Baab <ib at baab.de> wrote:

> Hello List,
>
> I got some serious issues with my zfs-file-system, after upgrade of my
> ubuntu system.
> "lxc list" reports a status of ERROR and if I try to start a container I
> get:
>
> root at myrootbox.com / $ lxc start --debug u16
>
> DBUG[01-05|21:07:03] Raw response: {"error":"Failed to run: zfs set
> mountpoint=none lxd: umount: /lxd/images: target is busy\n        (In some
> cases useful info about processes that\n         use the device is found by
> lsof(8) or fuser(1).)\ncannot unmount '/lxd/images': umount
> failed","error_code":500,"type":"error"}
>
>
> error: Failed to run: zfs set mountpoint=none lxd: umount: /lxd/images:
> target is busy
>         (In some cases useful info about processes that
>          use the device is found by lsof(8) or fuser(1).)
> cannot unmount '/lxd/images': umount failed
>
> Some more output about my problem you can find at:
> https://github.com/lxc/lxd/issues/1990
>
> Help! Any tip or help is highly appriciated!
> kind regards,
> -Ingo
>
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> lxc-users at lists.linuxcontainers.org
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