クラスタポートでは CRC エラーが多数発生します
環境
- FAS2750
- FAS2720
- AFF C190A
- ONTAP 9
- スイッチレス クラスタ
問題
- CRCエラー数は、クラスタポートでを複数回使用した場合にカウントされます
ifconfig:
-- interface e0b (232 days, 2 hours, 21 minutes, 3 seconds) --
RECEIVE
Total frames: 252m | Frames/second: 13 | Total bytes: 39644m
Bytes/second: 1977 | Total errors: 1218 | Errors/minute: 0
Total discards: 0 | Discards/minute: 0 | Multi/broadcast: 1020k
Non-primary u/c: 0 | CRC errors: 1212 | Runt frames: 0
Fragment: 0 | Long frames: 0 | Jabber: 3
Length errors: 3 | No buffer: 0 | Xon: 0
Xoff: 0 | Pause: 0 | Jumbo: 1293k
Noproto: 0 | Error symbol: 236 | Illegal symbol: 199
Bus overruns: 0 | Queue drops: 0 | LRO segments: 249m
LRO bytes: 26713m
| LRO6 segments: 0 | LRO6 bytes: 0
Bad UDP cksum: 0 | Bad UDP6 cksum: 0 | Bad TCP cksum: 0
Bad TCP6 cksum: 0 | Mcast v6 solicit: 0
TRANSMIT
Total frames: 561m | Frames/second: 28 | Total bytes: 139g
Bytes/second: 6980 | Total errors: 0 | Errors/minute: 0
Total discards: 0 | Queue overflow: 0 | Multi/broadcast: 1031k
Xon: 0 | Xoff: 0 | Pause: 0
Jumbo: 2565k | Cfg Up to Downs: 2 | TSO non-TCP drop: 0
Split hdr drop: 0 | Timeout: 0 | TSO segments: 402k
TSO bytes: 4840m | TSO6 segments: 0 | TSO6 bytes: 0
HW UDP cksums: 154k | HW UDP6 cksums: 0 | HW TCP cksums: 556m
HW TCP6 cksums: 0 | Mcast v6 solicit: 0
DEVICE
Mcast addresses: 3 | Rx MBuf Sz: 4096
LINK INFO
Speed: 10000M | Duplex: full | Flowcontrol: none
Media state: activ
e | Up to downs: 8
- EMSエラーメッセージで次の出力が1時間ごとに連続して表示される：
Tue Dec 01 04:04:26 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
Tue Dec 01 05:04:27 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
Tue Dec 01 06:04:27 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
Tue Dec 01 07:04:27 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
Tue Dec 01 08:04:28 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
Tue Dec 01 09:04:29 JST [node 2: intr: netif.linkErrors:error]: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
- HAパートナーコントローラe0bポート間のケーブルを分離ポートとして交換したあとも、上記のエラーメッセージが停止しません。
::> event log show
Time Node Severity Event
------------------- ---------------- ------------- ---------------------------
1/5/2021 15:11:21 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicat
e a duplex mismatch.
1/5/2021 14:54:52 node 1 EMERGENCY vifmgr.clus.linkdown: The cluster port e0b on node node 1 has gone down unexpectedly.
1/5/2021 14:54:52 node 2 EMERGENCY vifmgr.clus.linkdown: The cluster port e0b on node node 2 has gone down unexpectedly.
1/5/2021 14:11:20 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
1/5/2021 13:11:20 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port, or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
1/5/2021 12:11:19 node 2 ERROR netif.linkErrors: Excessive link errors on network interface e0b. Might indicate a bad cable, switch port,
or NIC, or that a cable connector is not fully inserted in a socket. On a 10/100 port, might indicate a duplex mismatch.
Press <space> to page down, <return> for next line, or 'q' to quit... q
6 entries were displayed.
- これはスイッチレスクラスタ構成のターゲットe0bポートで、ノード1 e0bとノード2 e0bをクラスタLIFポートとして直接接続します。
- ケーブル交換後もCRCエラー数は増え続け、エラーが報告され続けます
- 速度とデュプレックスを接続する各ノード間でポートに違いはなく、SFPなどのトランシーバは使用されません。
- クロスコネクトの場合、ポートにエラーが発生しているため、ケーブルに従わないでください。