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クラスタポートでは CRC エラーが多数発生します

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Category:
fas-systems
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hw
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に適用されます

  • FAS 2750
  • ONTAP 9

問題

  • CRC エラー数は、 e0b ポートで 12 回 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 SAS 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。

k-tenant-str::> 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.

  • ケーブル交換の前後に CRC エラー数は増加しません。 
  • このデバイスはスイッチレスクラスタ構成で、ターゲット e0b ポートはクラスタ LIF ポートとしてノード 1 とノード 2 に直接接続するポートです。
  • 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。 

 

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