iscsi login fail to Purestorage resulting OpenShift Pods into crashloopback error: input/output error

Solution Verified - Updated -

Issue

  • Host fails to login to storage with below error in server log file
Xhostabcd iscsid: Kernel reported iSCSI connection 5:0 error (1020 - ISCSI_ERR_TCP_CONN_CLOSE: TCP connection closed) state (1)
Xhostabcd kernel: [7661556.633561]  connection6:0: detected conn error (1020)
Xhostabcd kernel: [7661556.634866]  connection5:0: detected conn error (1020)
Xhostabcd iscsid: conn 0 login rejected: initiator failed authorization with target
Xhostabcd iscsid: conn 0 login rejected: initiator failed authorization with target
  • multipath -ll output shows stall devices like below:
36XXXWWWZZZZxyzqs4dab00011XYZ dm-00
size=150G features='0' hwhandler='0' wp=rw ---> No path

36HHHWWWUUUQQQXdxe000XYZ2d dm-99 PURE    ,FlashArray      
  size=8.0G features='0' hwhandler='0' wp=rw
  `-+- policy='queue-length 0' prio=0 status=enabled
    |- 10:0:0:2 sdwy 8:32 failed faulty running
    `- 83:0:0:2 sdqz 8:48 failed faulty running  ---------> running but path checker reporting path is faulty

Environment

  • Red Hat Enterprise Linux
  • iscsi
  • Openshift
  • Pure Storage

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