After upgrading the ONTAP version SnapMirror shows the error "Transfer failed (Checksum mismatch (Replication engine error))"
Applies to
- ONTAP 9
- SnapMirror
Issue
- SnapMirror transfers fail with following checksum:
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- The
Bad TCP cksumstats of the target IC port show an increasing trend：
-- 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