[drbd-mc] Lots of pvdisplay commands -> RA timeouts

Rasto Levrinc rasto.levrinc at gmail.com
Mon Dec 17 15:32:47 CET 2012


On Mon, Dec 17, 2012 at 3:09 PM, Caspar Smit <c.smit at truebit.nl> wrote:
> Hi Rasto,
>
> I noticed this in one of my clusters:
>
...

> /usr/local/bin/lcmc-gui-helper-1.4.2 hw-info-daemon
> root      9869  0.0  0.0  39856  1516 pts/7    S+   14:49   0:00
> \_ sudo -E -p DRBD MC sudo pwd:  /usr/local/bin/lcmc-gui-helper-1.4.2
> hw-info-daemon
> root      9870  0.3  0.0  27676  5000 pts/7    S+   14:49   0:00
> \_ /usr/bin/perl /usr/local/bin/lcmc-gui-helper-1.4.2 hw-info-daemon
> root     18176  0.0  0.0   9060  1180 pts/7    S+   14:50   0:00
> \_ sh -c /sbin/pvdisplay -C --noheadings -o pv_name,vg_name 2>/dev/null
> root     18177  0.0  0.0  17872  1604 pts/7    D+   14:50   0:00
> \_ /sbin/pvdisplay -C --noheadings -o pv_name,vg_name
>
> Why is LCMC running so many pvdisplay commands at once?

Hi Caspar,

it is running it once in 10 seconds, to see if something has changed.
Can you check what does it do on your nodes?

 /sbin/pvdisplay -C --noheadings -o pv_name,vg_name

Rasto

>
> I think this is causing my RA monitors to timeout once in a while (sometimes
> even two minutes timeout)
>
> Kind regards,
> Caspar Smit
>

-- 
Dipl.-Ing. Rastislav Levrinc
rasto.levrinc at gmail.com
Linux Cluster Management Console
http://lcmc.sf.net/


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