Hi,
Please look the following comment.
--
Best regards,
Eric, Ren
HA team, SUSE
>>>
>
> OS ubuntu
> ub-ocfs1 and ub-ocfs:~# uname -a
> Linux ub-ocfs 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012
x86_64
> x86_64 x86_64 GNU/Linux
>
> on both:
>
> ub-ocfs:~# service o2cb start
> Loading stack plugin "user": OK
> Loading filesystem "ocfs2_dlmfs": OK
> Mounting ocfs2_dlmfs filesystem at /dlm: OK
> Setting cluster stack "cman": OK
> Loading filesystem "ocfs2": OK
> Starting ocfs2_controld.cman: OK
>
> ub-ocfs:~# mount /dev/drbd/by-res/wwwdata /opt/
It didn't make sense to use '/opt' as mount point!
It maybe the reason why 'ls /opt/local' function wrong, in which
it's hard to decide whether native fs or ocfs2 to take effect.
Instead, you should use a empty directory, such as '/mnt/shared'.
See if the same error will occur.
Hope it helps.
>
> ub-ocfs:~# service drbd status
> drbd driver loaded OK; device status:
> version: 8.3.13 (api:88/proto:86-96)
> srcversion: 697DE8B1973B1D8914F04DB
> m:res cs ro ds p mounted
fstype
> 1:wwwdata Connected Primary/Primary UpToDate/UpToDate C /opt ocfs2
>
> ub-ocfs:~# ls /opt/
> local lost+found
>
> ub-ocfs:~# ls /opt/local
> Segmentation fault
>
> ub-ocfs:~# ps fa
> PID TTY STAT TIME COMMAND
> 2472 pts/2 Ss 0:00 -bash
> 2529 pts/2 R+ 0:00 \_ ps fa
> 2299 pts/1 Ss 0:00 -bash
> 2356 pts/1 S+ 0:00 \_ -bash
> 2361 pts/1 D+ 0:00 \_ ls -l /opt/local/etc /opt/local/games
> /opt/local/include /opt/local/leo1....
>
>
> the script ls -l /opt/local/*
>
> ub-ocfs:~# cat /opt/local/leo-ocfs6.sh
> date ; echo -n
> hostname
> ls -l
> ls -l /opt/local/le*
> ls -l /opt/local/*
>
>
> I can work normal
>
> ub-ocfs1:~# rm -r /opt/local/bin
> ub-ocfs1:~# mkdir /opt/local/etc/bin
> ub-ocfs1:~# ls /opt/local/leo*
> /opt/local/leo1 /opt/local/leo3 /opt/local/leo-ocfs
/opt/local/leo-ocfs2
> /opt/local/leo-ocfs4 /opt/local/leo-ocfs6
> /opt/local/leo2 /opt/local/leo4 /opt/local/leo-ocfs1
/opt/local/leo-ocfs3
> /opt/local/leo-ocfs5 /opt/local/leo-ocfs6.sh
>
>
> but resource is busy if I want restart or unload
>
> ocfs:~# service o2cb unload
> Stopping ocfs2_controld.cman: /sbin/start-stop-daemon: warning: this system
is
> not able to track process names
> longer than 15 characters, please use --exec instead of --name.
> Failed
> Unable to unload modules as the cluster is still online
>
>
> because '2361 pts/1 D+ 0:00 \_ ls -l /opt/local/' is in
'D
> uninterruptible sleep (usually IO)'
>
> if I want the control back I need reboot host,
>
> anybody have another solution ?-:-(
>
> by
> leopoldo tosi
>
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>