Pacemaker monitor action times out

[matelakat]

Suddenly all lsb ocf resources report that monitor timed out.

[matelakat]

killproc/checkproc timed out - it seems that if there are processes in the system with their binaries living on I/O blocked NFS shares - checkproc/killproc times out regardless of what was the process that we were asking to monitor. We were able to reproduce this, and the logs were very similar to the ones we have seen on the bug report. At this point I can think of 3 options:

• change to systemd - that would eliminate the use of killproc/checkproc
• investigate killproc/checkproc - (specify a pid file maybe?) to eliminate it searching through the whole /proc filesystem
• patch checkproc/killproc to deal with situations where binaries cannot be read.

[matelakat]

Looking at option B for now - investigate killproc/checkproc

[matelakat]

See line 730 of http://etherpad.mo.sap.corp:9001/p/ClusterProblems