IBM Spectrum Scale : Node crashes after upgrading to V5.1.2+ with msgqueue enabled https://www.ibm.com/support/pages/node/6824149?myns=s033&mynp=OCSTXKQY&mync=E&cm_sp=s033-_-OCSTXKQY-_-E
says: A node crash can occur due to resource exhaustion after upgrading to V5.1.2.0 or higher with msgqueue enabled. This affects all upgraded nodes until the filesystem version is moved to V5.1.2.0+ (mmchfs -V) and the migration off msgqueue occurs (mmmsgqueue config --remove-msgqueue). My emphasis on and. But also says: This issue will affect all versions mentioned above until msgqueue is disabled across the cluster. So it's not entirely clear whether you have to just update client version, update the filesystem version or disable msgqueue or do all 3 to fix it... Can an IBMer clarify? Many thanks, Luke -- Luke Sudbery Principal Engineer (HPC and Storage). Architecture, Infrastructure and Systems Advanced Research Computing, IT Services Room 132, Computer Centre G5, Elms Road Please note I don't work on Monday.
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