[Users] ploop on ext4 without journal - bug?
Sergey Bronnikov
sergeyb at openvz.org
Wed Oct 7 04:09:05 PDT 2015
Dima, could you help?
On 02:08 Wed 30 Sep , Nick Knutov wrote:
> Hello all,
>
> I have an ext4 partition without journal (I need it so):
>
> mount | grep vz2
> /dev/sde1 on /vz2 type ext4 (rw,relatime,discard,errors=remount-ro,commit=20,data=journal,journal_async_commit)
>
> debugfs -R features /dev/sde1
> debugfs 1.41.12 (17-May-2010)
> Filesystem features: ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
>
> When I'm trying to create CT with ploop layout - I've got
>
> Creating image: /vz2/private/2008.tmp/root.hdd/root.hdd size=10485760K
> Creating delta /vz2/private/2008.tmp/root.hdd/root.hdd bs=2048 size=20971520 sectors v2
> Storing /vz2/private/2008.tmp/root.hdd/DiskDescriptor.xml
> WARNING: /vz2 is mounted with data=writeback not recommended for ploop; please use data=ordered instead
> Opening delta /vz2/private/2008.tmp/root.hdd/root.hdd
> Adding delta dev=/dev/ploop58376 img=/vz2/private/2008.tmp/root.hdd/root.hdd (rw)
>
> and now it freezes. (btw, vzctl says it's data=writeback, but it's
> data=journal and journal is removed - is it ok?)
>
>
> When ctrl+c I've got:
>
> ^C
> Cancelling...
> Cancelling...
> Destroying container private area: /vz2/private/2008.tmp
> ^C
> Cancelling...
> Cancelling...
>
> so I have to log in other ssh session and kill -9 it.
>
> Kernel: 042stab108.8
>
> Is it a bug or I'm doing something wrong?
>
> --
> Best Regards,
> Nick Knutov
> http://knutov.com
> ICQ: 272873706
> Voice: +7-904-84-23-130
>
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