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System shows Single-Path and Mixed-Path due to SAS port failure

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fas-systems
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hw
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Applies to

  • ONTAP 9
  • FAS2720
  • FAS2650

Issue

  • Node01 shows Single-Path and Node02 shows Mixed-Path in sysconfig -a.
System Serial Number: 952049002044 (node01)
System Rev: C2
System Storage Configuration: Single-Path HA
 
System Serial Number: 95204900XXX (node02)
System Rev: C2
System Storage Configuration: Mixed-Path HA
  • 0b port in Node01 is offline.
slot 0: SAS Host Adapter 0b (PMC-Sierra PM8070 rev. C, SAS, <OFFLINE (hard)>)
  • AutoSupport reports DISK REDUNDANCY FAILED
  • IOMA information of Shelf 0 missing in sysconfig-a.
Shelf 0: DS212-12  Firmware rev.  A: ----  IOM12E B: 0220
  • Node01 0b path not available, and Node02 0a path shelf0 missing in SAS-EXPANDER-MAP.
[SAS-EXPANDER-MAP](node01)
Expanders on channel 0a:
Level    1: WWN 500a09800858b84d, ID  1, Serial Number ' SHJSG2108000107', Product 'DS21212IOM12A   ', Rev '0270', Slot B
Level    2: WWN 500a098008585521, ID  2, Serial Number ' SHFNC2105000105', Product 'DS22412IOM12A   ', Rev '0270', Slot B
Level    3: WWN 500a09800e58563f, ID  0, Serial Number ' SHFNC2109000059', Product 'DS21212IOM12E   ', Rev '0220', Slot B
 
Expanders on channel 0b:
Cannot Complete operation on channel 0b; Status Not Available.
 
[SAS-EXPANDER-MAP] (node02)
Expanders on channel 0a:
Level    1: WWN 500a09800858b769, ID  1, Serial Number ' SHJSG2108000107', Product 'DS21212IOM12A   ', Rev '0270', Slot A
Level    2: WWN 500a0980085852f5, ID  2, Serial Number ' SHFNC2105000105', Product 'DS22412IOM12A   ', Rev '0270', Slot A
 
Expanders on channel 0b:
Level    1: WWN 500a09800e58563f, ID  0, Serial Number ' SHFNC2109000059', Product 'DS21212IOM12E   ', Rev '0220', Slot B
Level    2: WWN 500a098008585521, ID  2, Serial Number ' SHFNC2105000105', Product 'DS22412IOM12A   ', Rev '0270', Slot B
Level    3: WWN 500a09800858b84d, ID  1, Serial Number ' SHJSG2108000107', Product 'DS21212IOM12A   ', Rev '0270', Slot B

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