[Users] Strange mount problem

[Marc Peiser]

Hi Kir,

Here's the output you requested:

Container:
[root at va-apache /]# ls -l /etc/mtab
-rw-r--r-- 1 root root 77 Jun 17 15:53 /etc/mtab
[root at va-apache /]# ls -l /proc/mounts
lr-xr-xr-x 1 root root 11 Jun 27 12:32 /proc/mounts -> self/mounts
[root at va-apache /]# cat /proc/mounts
/dev/simfs / simfs rw,relatime 0 0
/dev/root /opt/apps-shared1 ext3 rw,relatime,data=ordered 0 0
/dev/root /opt/apps-shared2 ext3 rw,relatime,data=ordered 0 0
//172.20.40.10/F$ /opt/dataserver cifs
rw,mand,nodev,noexec,relatime,unc=\\172.20.40.10\F$,username=fileshare,uid=500,forceuid,gid=0,noforcegid,addr=172.20.40.10,file_mode=02767,dir_mode=0777,rsize=16384,wsize=57344
0 0
proc /proc proc rw,relatime 0 0
sysfs /sys sysfs rw,relatime 0 0
none /dev tmpfs rw,relatime 0 0
none /dev/pts devpts rw,relatime 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0
[root at va-apache /]# cat /etc/mtab
none /dev/pts devpts rw 0 0
none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0

Host:
[root at lnxsvr2 ~]# uname -a
Linux lnxsvr2.valuead.com 2.6.18-238.12.1.el5.028stab091.1 #1 SMP Wed
Jun 1 13:20:25 MSD 2011 x86_64 x86_64 x86_64 GNU/Linux
[root at lnxsvr2 ~]# rpm -q vzctl
vzctl-3.0.28.3-1

Regards,
Marc

On Wed, Jun 22, 2011 at 2:27 PM, Kir Kolyshkin <kir at openvz.org> wrote:
> On 06/20/2011 04:26 PM, Marc Peiser wrote:
>>
>> Hi,
>>
>> I've started noticing that one of our openvz servers is doing something
>> strange to the containers on that box, about 90% of them are now unable to
>> do a df to show disk space, it returns nothing. I tried upgrading to the
>> latest kernel version and still have this problem. The files are all there
>> and everything seems to run fine apart from been able to see disk space
>> used.
>>
>> [root at va-box /]# df
>> Filesystem           1K-blocks      Used Available Use% Mounted on
>> [root at va-box /]# mount
>> none on /dev/pts type devpts (rw)
>> none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
>> [root at va-box /]#
>
> Please provide the output of the following commands (in a container):
> ls -l /etc/mtab
> ls -l /proc/mounts
> cat /proc/mounts
> cat /etc/mtab
>
> And on the host system:
> uname -a
> rpm -q vzctl
>



-- 
Marc Peiser
IT Matter cc
Tel : 071 678 5368
Fax : 086 602 2880
Email : marc at itmatter.co.za