升级ONTAP版本后、SnapMirror显示错误"Transfer failed (Checksum Mismatch (Replication Engine error))"(传输失败(校验和不匹配(复制引擎错误)))

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Category:: ontap-9

Specialty:: dp

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适用场景

ONTAP 9
SnapMirror

问题描述

SnapMirror传输失败、并显示以下校验和：

Thu XXX ScheduledUpdate[XXX]:XXX Operation-Uuid=XXX Group=none Operation-Cookie=0 action=Defer source=XXX destination=XXX status=Failure message=Transfer failed.(Checksum mismatch(Replication engine error))
 
 Thu XXX REPL-DATA:XXX Trace_Buf (1 of 12 log entries): repl_writer::PushNameDataReplOpHandler::replXlateIn():498 : NAME_DATA:Checksum mismatched. error=15

目标IC端口的Bad TCP cksum 统计信息显示为增长趋势：

-- interface  e0a (103 days, 4 hours, 15 minutes, 6 seconds) --
 
 RECEIVE
  Total frames:    20784m | Frames/second:    2332  | Total bytes:     31376g
  Bytes/second:     3519k | Total errors:        0  | Errors/minute:       0
  Total discards:    198  | Discards/minute:     0  | Multi/broadcast:   469k
  Non-primary u/c:     0  | CRC errors:          0  | Runt frames:         0
  Fragment:            0  | Long frames:         0  | Jabber:              0
  Length errors:       0  | Alignment errors:    0  | No buffer:          13
  Xon:                 0  | Xoff:                0  | Pause:               0
  Jumbo:               0  | Noproto:             0  | Error symbol:        0
  Illegal symbol:      0  | Bus overruns:      198  | Queue drops:         0
  LRO segments:        0  | LRO bytes:           0  | LRO6 segments:       0
  LRO6 bytes:          0  | Bad UDP cksum:       0  | Bad UDP6 cksum:      0
  Bad TCP cksum:     898k | Bad TCP6 cksum:      0  | Mcast v6 solicit:    0