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単一ディスクのディスク冗長性障害

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hw
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環境

  • ONTAP 9
  • ディスク冗長性のコールホームに失敗しました

問題

  • EMSアラートとコールホーム
dsa_disc: callhome.dsk.redun.fault:error]: Call home for DISK REDUNDANCY FAILED
  • sysconfig -a の出力にパスでディスクが見つからないことが表示される
slot 0: SAS Host Adapter 0a (PMC-Sierra PM8070 rev. C, SAS, <UP>)
    [...]
    00.20: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
    00.21: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
    00.22: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
   00.23: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
    Shelf 0: DS224-12  Firmware rev. IOM12E A: 0240  IOM12E B: 0240
       
slot 0: SAS Host Adapter 0b (PMC-Sierra PM8070 rev. C, SAS, <UP>)
    [...]
    00.20: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
    00.21: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
    00.22: NETAPP   X371_S1643960ATE NA54 915.4GB 520B/sect (XXXXXXXXXXXXXX)
    Shelf 0: DS224-12  Firmware rev. IOM12E A: 0240  IOM12E B: 0240
  • SASエキスパンダphy状態でベイがDisabled/IDDと表示される

Node01> sasadmin expander_phy_state
Expander phy state on 0b.0 (NETAPP  :DS22412IOM12E    SHFHUXXXXXXXXXXX):
                              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    
------- ----------------- --- --- --- --- ------ ------ ------ ------ ------ ------ ----------------
29/21   12.0 Gb/s         YES 0   0   0   0      0      0      0      0      1      ----------------
30/22   12.0 Gb/s         YES 0   0   0   0      0      0      0      0      1      ----------------
31/23  Disabled/IDD      YES 0   0   0

  • ディスクでBがバイパスされている

Disk Elements:
Element Status          Status Bytes  Status Descriptions
  0 [Bay  0]: OK         01,00,00,00
  1 [Bay  1]: NONCRITICAL     03,01,10,04  ENCLOSURE BYPASSED B, BYPASSED B

  • 「sysconfig -a」で「Mixed-Path HA」と表示される場合があります。 
    • System Storage Configuration: Mixed-Path HA
  • ADP構成で、ノードがディスクを認識できないためにパーティションが表示されないことがある

 

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