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ONTAP EMS reports ses.shelf.unsupportAllowErr:alert Unsupported disk shelf found on channel

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disk-shelves
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Applies to

  • ONTAP 9.4 and later
  • IOM3 modules for DS4243 shelves
  • IOM6

Issue

  • EMS messaging

nodeclst001-01: dsa_disc: ses.shelf.unsupportAllowErr:alert]: Unsupported disk shelf found on channel XX

  • mutiple disks scsi error may be seen in event log

[node1: scsi_cmdblk_strthr_admin: scsi.cmd.checkCondition:debug]: Unknown device 0a.05.99: Check Condition: CDB 0x12: Sense Data SCSI:hardware error - (0x4 - 0x44 0x0 0x0)(0).）

  • From sysconfig -a:

Shelf 0: DS4246 Firmware rev. IOM6E A: 0172 IOM6E B: 0172
Shelf ?: unsupported DS4243, IOM3
Shelf ?: unsupported DS4243, IOM3
Shelf 2: DS4246 Firmware rev. IOM6 A: 0191 IOM6 B: 0191

  • UA Advisor will Alert you if you have an unsupported IOM3

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