FAS2820（DISK REDUNDANCY FAILED）エラーが発生する
環境
- FAS2820
- ONTAP 9
問題
- Autosupport
(DISK REDUNDANCY FAILED) ERRORがノードからトリガーされ、両方のノードのHAステータスが低下します。
ノード1：
NetApp Release 9.14.1P6: Tue Jun 18 12:11:44 EDT 2024<<< 問題が発生する前に、Tri-Path HAがあります
System ID: 0987654321 (node-1); partner ID: 0123456789 (node-2)
System Serial Number: 95XXXXXXXXXX (node-1)
System Rev: A6
System Storage Configuration: Multi-Path HA
System ACP Connectivity: Inband Active
SAS2/SAS3 Mixed Stack Support: all
All-Flash Optimized: false
Capacity Optimized: false
All SAN Array: false
Backplane Part Number: DS21212
Backplane Rev:
Backplane Serial Number: 792XXXXXXXXX
ノード2：
NetApp Release 9.14.1P6: Tue Jun 18 12:11:44 EDT 2024<<< 問題が発生する前に、Tri-Path HA
System ID: 0123456789 (node-2); partner ID: 0987654321 (node-1)
System Serial Number: 95XXXXXXXXXX (node-2)
System Rev: A6
System Storage Configuration: Mixed-Path HA
System ACP Connectivity: Inband Active
SAS2/SAS3 Mixed Stack Support: all
All-Flash Optimized: false
Capacity Optimized: false
All SAN Array: false
Backplane Part Number: DS21212
Backplane Rev:
Backplane Serial Number: 792XXXXXXXXX
- 環境を確認すると、node-2に接続されているSASケーブル[7]が
disconnectedされているように見え、ステータスが<N/A>と表示されます。
SAS cable information by element:
[1] Internal connector
[2] Internal connector
[3] Vendor: Molex Inc.
Type: MINI-SAS HD passive copper 2m ID: 00 Swaps: 0
Serial number: 123456789 Part number: 112-00437+A0
[4] Vendor: <N/A> (disconnected)
Type: <N/A><N/A><N/A> ID: <N/A> Swaps: 0
Serial number: <N/A> Part number: <N/A>
[5] Internal connector
[6] Internal connector
[7] Vendor: <N/A> (disconnected)
Type: <N/A><N/A><N/A> ID: <N/A> Swaps: 0
Serial number: <N/A> Part number: <N/A>
[8] Vendor: <N/A> (disconnected)
Type: <N/A><N/A><N/A> ID: <N/A> Swaps: 0
Serial number: <N/A> Part number: <N/A>
disconnectedの前は、ベンダーの名前とタイプが正しく表示されます。
SAS cable information by element:
[1] Internal connector
[2] Internal connector
[3] Vendor: Molex Inc.
Type: MINI-SAS HD passive copper 2m ID: 00 Swaps: 0
Serial number: 123456789 Part number: 112-00437+A0
[4] Vendor: <N/A> (disconnected)
Type: <N/A><N/A><N/A> ID: <N/A> Swaps: 0
Serial number: <N/A> Part number: <N/A>
[5] Internal connector
[6] Internal connector
[7] Vendor: Amphenol
Type: MINI-SAS HD passive copper 0.5-1.0m ID: 01 Swaps: 0
Serial number: APF12345678901 Part number: 112-00435+A0
[8] Vendor: <N/A> (disconnected)
Type: <N/A><N/A><N/A> ID: <N/A> Swaps: 0
Serial number: <N/A> Part number: <N/A>
ACP installed element list: 1, 2; with error: none
- FAS2820コントローラAのSASポート[3]と[4]は、それぞれ0b1ポートと0b2ポートとして指定されています。
- 同様に、FAS2820コントローラBでは、ポート[7]と[8]が0b1ポートと0b2ポートとして指定されています。
- 一部のパスまたはIOMが
SAS-EXPANDER-MAPログに表示されません。
Expanders on channel 0a:
Level 1: WWN 500a09800f6e6b8d, ID 1, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B
Expanders on channel 0b:
Level 1: WWN 500a09800f7af03f, ID 0, Serial Number ' ****', Product 'DS21212IOM12G ', Rev '0201', Slot A
Level 2: WWN 500a09800f6e6c4d, ID 7, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Level 3: WWN 500a09800f6e8335, ID 6, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Level 4: WWN 500a09800f6e6c65, ID 5, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Level 5: WWN 500a09800f6e6b81, ID 4, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Level 6: WWN 500a09800f6e6a99, ID 3, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Level 7: WWN 500a09800f6e68d5, ID 2, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Level 8: WWN 500a09800f6e3119, ID 1, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot A
Expanders on channel 0c:
Level 1: WWN 500a09800f7aeb3f, ID 0, Serial Number ' ****', Product 'DS21212IOM12G ', Rev '0201', Slot B
Level 2: WWN 500a09800f6e32f5, ID 7, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B
Level 3: WWN 500a09800f6e6aa9, ID 6, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B
Level 4: WWN 500a09800f6e6a91, ID 5, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B
Level 5: WWN 500a09800f6e64bd, ID 4, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B
Level 6: WWN 500a09800f6e6c2d, ID 3, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B
Level 7: WWN 500a09800f6e8365, ID 2, Serial Number ' ****', Product 'DS21212IOM12 ', Rev '0202', Slot B