2012/12/17 Rasto Levrinc <[email protected]> > On Mon, Dec 17, 2012 at 3:09 PM, Caspar Smit <[email protected]> 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 > > # /sbin/pvdisplay -C --noheadings -o pv_name,vg_name /dev/sdb single_array3 /dev/sdc single_array3 /dev/sdd single_array3 /dev/sdh replicated_array1and2 /dev/sdi replicated_array1and2 /dev/sdj replicated_array1and2 /dev/sdk replicated_array1and2
I know that LCMC does monitor changes with the lcmc-gui-helper script, but I presume the "hw-info-daemon" part has to run only once and not 5(+) times concurrently? Running 5x pvdisplay concurrently can really slow things down. Kind regards, Caspar > > > > 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 > [email protected] > Linux Cluster Management Console > http://lcmc.sf.net/ > _______________________________________________ > drbd-mc mailing list > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-mc >
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