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Multi disk panic caused due to disk and tape zoned with same fc adapter

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Applies to

  • FlexArray
  • Ontap 9 and later

Issue

Node rebooted due to multi disk panic when the tape drive and library were zoned to the same storage initiator port.

Additionally, below errors were reported on the storage end:

Fri Aug 06 11:52:18 +0000 [UKWYNAS002: slifc_intrd: mlm.tapemc.path.discovery:info]: A new Tape/MC path was discovered: initiator port 1a is now connected to tape library HP_ESLESeries_?'s target port: WWNN: 5001438017cf4654, WWPN: 5001438017cf4655. There are 1 LUNs visible on this target port.
Fri Aug 06 11:52:18 +0000 [UKWYNAS002: slifc_intrd: mlm.tapemc.lun.PathAdded:info]: medium changer LUN 'UKWYSAN10:81.156L0' (S/N: H6A59A20J5) is now connected on initiator port 1b through HP_ESLESeries_?'s target port: WWNN: 5001438017cf4654, WWPN: 5001438017cf4657 at LUN ID: 0.
Fri Aug 06 11:52:18 +0000 [UKWYNAS002: slifc_intrd: mlm.tapemc.path.discovery:info]: A new Tape/MC path was discovered: initiator port 1b is now connected to tape library HP_ESLESeries_?'s target port: WWNN: 5001438017cf4654, WWPN: 5001438017cf4657. There are 1 LUNs visible on this target port.
Fri Aug 06 11:58:38 +0000 [UKWYNAS002: slifc_intrd: mlm.tapemc.lun.discovery:info]: New medium changer LUN UKWYSAN10:60.11L0 (S/N: H4A59A20J5) was discovered on initiator port 1b at tape library target port WWNN: 5001438017b7d654, WWPN: 5001438017b7d656.

 

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