[Ocfs2-users] ls
Umarzuki Mochlis
umarzuki at gmail.com
Thu Apr 2 20:10:33 PDT 2015
leopoldo,
why did you use DRBD to share only one storage?
>>
>> 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
>
> the ds "Primary/Primary" is in question.
>
> It seems that DRBD cannot work when both nodes is primary.
>
> This doc may help you get some hint.
> https://www.suse.com/documentation/sle_ha/book_sleha/data/sec_ha_drbd_configure.html
>
> Also,inproper configuration might lead to this issue.
>
>>
>> ub-ocfs:~# ls /opt/
>> local lost+found
>>
>> ub-ocfs:~# ls /opt/local
>> Segmentation fault
>
> IIRC,I also got seg-fault problem for some unclear reason,which may be caused by setting up problem.
>
>>
>> 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/*
>
> You mean ls -l /opt/local go bad, but ls -l /opt/local/* can work well?
>
>>
>> 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
>
> what do you mean by work normal? ;-)
> other cmd can work, except ls -l /opt/local, though seg-fault already happened?
>
>>
>> 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
>>
>
> don't worry about this.
> when the previous problem done, this would go away.
>
>> 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 ?-:-(
>
> hm,what's your solution? ;-)
>
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