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RHEL 7.9 host experiencing long I/O stalls on Lustre filesystem

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Applies to

  • RHEL 7.9
  • lustre
  • corosync
  • pacemaker
  • E5700
  • SANtricity OS 11.70.1R1, 11.70.2

Issue

RedHat Enterprise Linux 7.9 host experiencing >120 seconds I/O stalls on Lustre filesystem, causing pacemaker/corosync to trigger NMI (non-maskable interrupt).
Host is showing a large amount of repeating Recovered Error in messages or syslog host log files:
 
1653449345 2022 May 25 03:29:05 hostname kern info kernel [ 5080.869325] sd 0:0:0:3: [sdc] tag#11 Sense Key : Recovered Error [current]
1653449345 2022 May 25 03:29:05 hostname kern info kernel [ 5080.869327] sd 0:0:0:3: [sdc] tag#11 Add. Sense: Select or reselect failure

 

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