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クラスタ LIF から ping を実行したときにパケットが引き続き失われます

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Category:
fas-systems
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hw
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環境

  • ONTAP 9
  • イーサネットスイッチ

問題

  • EMSログで確認できるアラートは次のとおりです。
Mon Feb 15 13:52:46 EET [node_1: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif node_1_clus2 (node node_1) to cluster lif node_2_clus1 (node node_2).
Mon Feb 15 10:31:39 EET [node_2: vifmgr: vifmgr.cluscheck.ctdpktloss:alert]: Continued packet loss when pinging from cluster lif node_2_clus1 (node node_2) to cluster lif node_1_clus2 (node node_1).
 
  • CRCエラーをに示します。 ifstat -a
 
cluster::> system node run -node <NodeName>  -command ifstat -a
-- interface  e0a  (4 days, 0 hours, 5 minutes, 46 seconds) --
RECEIVE
 Total frames: 53773k | Frames/second:     155  | Total bytes:      6078m
 Bytes/second:    17570  | Total errors: 59001k | Errors/minute: 10233
 Total discards:      0  | Discards/minute:     0  | Multi/broadcast:   140k
 Non-primary u/c:     0 | CRC errors: 55358k | Runt frames:       0
 Fragment:            0  | Long frames:         0  | Jabber:              1
 Length errors:       0  | No buffer: 0  | Xon:                 0
 Xoff:                0  | Pause:               0  | Jumbo:           0
 Noproto:             0  | Error symbol:        0  | Illegal symbol:   3643k
 Bus overruns:        0  | Queue drops:      0  | LRO segments:    50642k
 LRO bytes:        5627m | 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:    74904k | Frames/second:     217  | Total bytes: 9126m
 Bytes/second:    26381  | Total errors:        0  | Errors/minute:       0
 Total discards:      0  | Queue overflow:      0  | Multi/broadcast: 31323
 Xon:          0  | Xoff:                0  | Pause:               0
 Jumbo:             219k | Cfg Up to Downs:     2  | TSO non-TCP drop:    0
 Split hdr drop:      0  | Timeout:             0  | TSO segments:     8442
 TSO bytes:         156m | TSO6 segments:    0  | TSO6 bytes:          0
 HW UDP cksums:     153k | HW UDP6 cksums:      0  | HW TCP cksums:   74461k
 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:           40000M | Duplex: full | Flowcontrol:       none
 Media state:     active | Up to downs:          2
 

 

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