APAR status
Closed as program error.
Error description
After logAssertFailed, restart gpfs, node showed as arbitrating, could not join back cluster. Cluster manager node have deadlock messages. Reported in: Spectrum Scale 4.1.1.15 and 4.2.3.4 mixed cluster, x86_64 Linux Known Impact: Node could not join cluster. Error Message such as: cluster manager node showed deadlock in : 0x7F75EC0341A0 ( 5871) waiting 1509.838507008 seconds, GroupProtocolDriverThread: on ThCond 0x7F767C1D93B8 (0x7F767C1D93B8) (MsgRecordCondvar), reason 'RPC wait' for ccMsgGroupLeave
Local fix
Workaround would be to kill the file system manager node, or run 'mmcommon breakDeadlock' command.
Problem summary
mmlsfileset command with -J or -F option can interfere with group protocal and delay/prevent a node from leaving/join the cluster. This issue would show up as nodes staying in arbitrating state.
Problem conclusion
Speed up mmlsfileset command with -J and -F option and reduce the chance of it interfering with group protocal.
Temporary fix
Comments
APAR Information
APAR number
IJ12492
Reported component name
SPECTRUM SCALE
Reported component ID
5725Q01AP
Reported release
423
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-01-03
Closed date
2019-01-03
Last modified date
2019-06-28
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
SPECTRUM SCALE
Fixed component ID
5725Q01AP
Applicable component levels
R423 PSY U885025
19/06/28 I 1000
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Document Information
Modified date:
28 June 2019