[PVE-User] Live Migration

[Jorge Moratilla Porras]

Hi Daniel,

This is my first appearance in this list, so please excuse me if I'm
messing things.

According to your logs, the problem is related with unmounting.  But why it
cannot unmount?  Is the system a SMTP server or is IO intensive? If not,
check you have not opened sessions (vzctl enter) on the guest neither on
the host that are inside the VPS directory (a su command, i.e), and no
other process is using it as basedir.  Use fuse command to check processes
running on that directory.

Did you check this post in the openvz forum?
http://forum.openvz.org/index.php?t=msg&goto=21778&

Hope it helps
Jorge

2013/2/13 Daniel <daniel at linux-nerd.de>

> Hey Guys,
>
> i already ask some other guys but i and they cant find any answer which
> fits my
> need.
>
> I will migrate a openvz Container to another Node but after some hours
> (huge  System  and  many  many  many files and more Mails) it ended with
> the
> following Error:
>
> Feb 10 01:12:57 starting migration of CT 115 to node 'vm07' (xxxxxxxx)
> Feb 10 01:12:57 container is running - using online migration
> Feb 10 01:12:57 starting rsync phase 1
> Feb 10 01:12:57 # /usr/bin/rsync -aHAX --delete --numeric-ids --sparse
> /container/private/115 root at xxxxx:/container/private
> Feb 10 09:02:51 start live migration - suspending container
> Feb 10 09:02:52 dump container state
> Feb 10 09:02:58 copy dump file to target node
> Feb 10 09:03:36 starting rsync (2nd pass)
> Feb 10 09:03:36  #  /usr/bin/rsync  -aHAX  --delete  --numeric-ids
> /container/private/115 root at xxxxxx:/container/private
> Feb 10 09:17:46 dump 2nd level quota
> Feb 10 09:17:46 copy 2nd level quota to target node
> Feb 10 09:17:50 # vzctl --skiplock umount 115
> Feb 10 09:17:50 vzquota : (error) Quota off syscall for id 115: Device or
> resource busy
> Feb 10 09:17:50 vzquota : (error) Possible reasons:
> Feb 10 09:17:50 vzquota : (error) - Container's root is not unmounted
> Feb 10 09:17:50 vzquota : (error) - there are opened files inside
> container's root/private area
> Feb 10 09:17:50 vzquota : (error) - your current working directory is
> inside a container directory
> Feb 10 09:17:50 vzquota : (error) root/private area
> Feb 10 09:17:50 vzquota : (error) Currently used file(s):
> Feb 10 09:17:50 /container/private/115/root/dump
> Feb 10 09:17:50 ERROR: Failed to umount container: vzquota off failed [3]
> Feb 10 09:17:50 aborting phase 1 - cleanup resources
> Feb 10 09:17:50 removing copied files on target node
> Feb 10 09:42:47 start final cleanup
> Feb 10 09:42:48 ERROR: migration aborted (duration 08:29:52): Failed to
> umount container: vzquota off failed [3]
> TASK ERROR: migration aborted
>
> All  other  VEs  on  this  node  can  me migrated without any problems
> (smaller then this VE which wont work)
>
> Is vzmigrate not supported in proxmox 2.x Cluster?
>
> --
> Mit freundlichen Grüßen
> Daniel
> mailto:daniel at linux-nerd.de
>
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