[ClusterLabs] Using different folder for /var/lib/pacemaker and usage of /dev/shm files

[Nikhil Utane]

Thanks Ken.

Could you also respond on the second question?

>     Also, in /dev/shm I see that it created around 300+ files of around
>     250 MB.
>
>     For e.g.
>     -rw-rw----    1 hacluste hacluste      8232 May  6 13:03
>     qb-cib_rw-response-25035-25038-10-header
>     -rw-rw----    1 hacluste hacluste    540672 May  6 13:03
>     qb-cib_rw-response-25035-25038-10-data
>     -rw-------    1 hacluste hacluste      8232 May  6 13:03
>     qb-cib_rw-response-25035-25036-12-header
>     -rw-------    1 hacluste hacluste    540672 May  6 13:03
>     qb-cib_rw-response-25035-25036-12-data
>     And many more..
>
>     We have limited space in /dev/shm and all these files are filling it
>     up. Are these all needed? Any way to limit? Do we need to do any
>     clean-up if pacemaker termination was not graceful? What's the
recommended size for this folder for Pacemaker? Our cluster will have
maximum 6 nodes.

-Regards
Nikhil

On Sat, May 14, 2016 at 3:11 AM, Ken Gaillot <kgaillot at redhat.com> wrote:

> On 05/08/2016 11:19 PM, Nikhil Utane wrote:
> > Moving these questions to a different thread.
> >
> >     Hi,
> >
> >     We have limited storage capacity in our system for different folders.
> >     How can I configure to use a different folder for /var/lib/pacemaker?
>
> ./configure --localstatedir=/wherever (defaults to /var or ${prefix}/var)
>
> That will change everything that normally is placed or looked for under
> /var (/var/lib/pacemaker, /var/lib/heartbeat, /var/run, etc.).
>
> Note that while ./configure lets you change the location of nearly
> everything, /usr/lib/ocf/resource.d is an exception, because it is
> specified in the OCF standard.
>
> >
> >
> >     Also, in /dev/shm I see that it created around 300+ files of around
> >     250 MB.
> >
> >     For e.g.
> >     -rw-rw----    1 hacluste hacluste      8232 May  6 13:03
> >     qb-cib_rw-response-25035-25038-10-header
> >     -rw-rw----    1 hacluste hacluste    540672 May  6 13:03
> >     qb-cib_rw-response-25035-25038-10-data
> >     -rw-------    1 hacluste hacluste      8232 May  6 13:03
> >     qb-cib_rw-response-25035-25036-12-header
> >     -rw-------    1 hacluste hacluste    540672 May  6 13:03
> >     qb-cib_rw-response-25035-25036-12-data
> >     And many more..
> >
> >     We have limited space in /dev/shm and all these files are filling it
> >     up. Are these all needed? Any way to limit? Do we need to do any
> >     clean-up if pacemaker termination was not graceful?
> >
> >     -Thanks
> >     Nikhil
> >
> >
> >
> >
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