On 30/08/2013, at 1:42 PM, Tom Parker <[email protected]> wrote: > My pacemaker config contains the following settings: > > LRMD_MAX_CHILDREN="8" > export PCMK_ipc_buffer=3172882
perhaps go higher > > This is what I had today to get to 127 Resources defined. I am not sure what > I should choose for the PCMK_ipc_type. Do you have any suggestions for large > clusters? shm is the new upstream default, but it may not have propagated to suse yet. > > Thanks > > Tom > > On 08/29/2013 11:19 PM, Andrew Beekhof wrote: >> On 30/08/2013, at 5:49 AM, Tom Parker <[email protected]> >> wrote: >> >> >>> Hello. Las night I updated my SLES 11 servers to HAE-SP3 which contains >>> the following versions of software: >>> >>> cluster-glue-1.0.11-0.15.28 >>> libcorosync4-1.4.5-0.18.15 >>> corosync-1.4.5-0.18.15 >>> pacemaker-mgmt-2.1.2-0.7.40 >>> pacemaker-mgmt-client-2.1.2-0.7.40 >>> pacemaker-1.1.9-0.19.102 >>> >>> With the previous versions of openais/corosync I could run over 200 >>> resources with no problems and with very little lag with the management >>> commands (crm_mon, crm configure, etc) >>> >>> Today I am unable to configure more than 127 resources. When I commit >>> my 128th resource all the crm commands start to fail (crm_mon just >>> hangs) or timeout (ERROR: running cibadmin -Ql: Call cib_query failed >>> (-62): Timer expired) >>> >>> I have attached my original crm config with 201 primitives to this e-mail. >>> >>> If anyone has any ideas as to what may have changed between pacemaker >>> versions that would cause this please let me know. If I can't get this >>> solved this week I will have to downgrade to SP2 again. >>> >>> Thanks for any information. >>> >> I suspect you've hit an IPC buffer limit. >> >> Depending on exactly what went into the SUSE builds, you should have the >> following environment variables (documentation from /etc/syconfig/pacemaker >> on RHEL) to play with: >> >> # Force use of a particular class of IPC connection >> # PCMK_ipc_type=shared-mem|socket|posix|sysv >> >> # Specify an IPC buffer size in bytes >> # Useful when connecting to really big clusters that exceed the default 20k >> buffer >> # PCMK_ipc_buffer=20480 >> >> >> >> >> >> _______________________________________________ >> Linux-HA mailing list >> >> [email protected] >> http://lists.linux-ha.org/mailman/listinfo/linux-ha >> >> See also: >> http://linux-ha.org/ReportingProblems >
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