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Link LED on the single SAS port of IOM module is off without any error and do not recovered after IOM reboot

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Category:
ontap-9
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hw
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Applies to

  • DS212C
  • ONTAP 9

Issue

  • The link LED on the single SAS port of single IOM module is off, and issue persists after IOM reboot.
  • Its opposite end's link LED is on.
  • There are no storage fault found in STORAGE-FAULT and SAS-EXPANDER-PHY-STATE between these IOM modules on different shelves.

No faults found in storage subsystem

Expander phy state on 0a.1 (NETAPP  :DS21212IOM12     SHJxxxxxxxxxxxx):
                              Pwr         Invald Disprt Loss   Phy    CRC    Phy                    
                          Pwr Ccl Rsv Rls DWord  Error  Sync   Reset  Error  Change SATA            
PHY/BAY STATE             ON  Cnt Cnt Cnt Count  Count  Count  Prob   Cnt    Cnt    Affiliation     
------- ----------------- --- --- --- --- ------ ------ ------ ------ ------ ------ ----------------
...

 8/P2:0 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      11     ----------------
 9/P2:1 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      11     ----------------
10/P2:2 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      11     ----------------
11/P2:3 12.0 Gb/s         --- --- --- --- 0      0      0      1      0      11     ----------------
12/P3:0 Disabled         
13/P3:1 Disabled         
14/P3:2 Disabled         
15/P3:3 Disabled         

Expander phy state on 0a.2 (NETAPP  :DS21212IOM12     xxxxxxxxxxxx):
                              Pwr         Invald Disprt Loss   Phy    CRC    Phy                    
                          Pwr Ccl Rsv Rls DWord  Error  Sync   Reset  Error  Change SATA            
PHY/BAY STATE             ON  Cnt Cnt Cnt Count  Count  Count  Prob   Cnt    Cnt    Affiliation     
------- ----------------- --- --- --- --- ------ ------ ------ ------ ------ ------ ----------------
 0/P0:0 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
 1/P0:1 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
 2/P0:2 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
 3/P0:3 12.0 Gb/s         --- --- --- --- 0      0      0      0      0      3      ----------------
 4/P1:0 Disabled         
 5/P1:1 Disabled         
 6/P1:2 Disabled         
 7/P1:3 Disabled        

 

 

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