クラスタネットワークデグレード：CRCエラーが検出されました

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Category:: fas-systems<a>2009465727</a>

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環境

ONTAP 9
BES-53248

問題

一方のクラスタネットワークポートで大量のCRCエラーが報告されました。

Tue Feb 07 21:00:54 +0800 [node-name: vifmgr: vifmgr.cluscheck.crcerrors:alert]: Port e0e on node node-name is reporting a high number of observed hardware errors, possibly CRC errors.
 Tue Feb 07 21:00:54 +0800 [node-name: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: CRC Errors Detected - High CRC errors detected on port e0e node node-name

クラスタポートのCRCエラー：

-- interface  e0e  (705 days, 10 hours, 52 minutes, 12 seconds) --
 
 RECEIVE
 Total frames:     6330m | Frames/second:     104  | Total bytes:      3975g
 Bytes/second:    65221  | Total errors:      597  | Errors/minute:       0
 Total discards:      8  | Discards/minute:     0  | Multi/broadcast: 49625k
 Non-primary u/c:     0  | CRC errors:      33433  | Runt frames:       164
 Long frames:         0  | Length errors:       3  | Alignment errors:    0
 No buffer:           8  | Pause:               0  | Jumbo:             522m
 Noproto:             0  | Bus overruns:        0  | LRO segments:     8076k
 LRO bytes:        7016m | 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  | Lagg errors:         0
 Lacp errors:         0  | Lacp PDU errors:     0
 TRANSMIT
 Total frames:     6095m | Frames/second:     100  | Total bytes:       732g
 Bytes/second:    12019  | Total errors:        0  | Errors/minute:       0
 Total discards:      0  | Queue overflow:      0  | Multi/broadcast:  3215k
 Pause:               0  | Jumbo:             521m | Cfg Up to Downs:     2
 TSO segments:      214m | TSO bytes:        2919g | TSO6 segments:       0
 TSO6 bytes:          0  | HW UDP cksums:     256  | HW UDP6 cksums:      0
 HW TCP cksums:    6013m | HW TCP6 cksums:      0  | Mcast v6 solicit:    0
 Lagg drops:          0  | Lagg no buffer:      0  | Lagg no entries:     0
 DEVICE
 Mcast addresses:     3  | Rx MBuf Sz:       4096
 LINK INFO
 Speed:           10000M | Duplex:            full | Flowcontrol:       none
 Media state:     active | Up to downs:          2

スイッチのファイバポート出力電力が非常に低くなっています。

*************** show fiber-ports optical-transceiver all ***************
                          Output   Input
 Port    Physical Port/  Temp  Voltage  Current   Power    Power     TX     LOS
 Lane Number     [C]   [Volt]     [mA]    [dBm]    [dBm]     Fault
 ------  --------------  ----  -------  -------   -------  -------   -----  ---
 0/1     0/1-Lane1       35.3    3.346      7.9    -2.629   -2.944   No     No
 0/2     0/2-Lane1       36.1    3.359      8.9   -9.678   -1.618   No     No