对于具有 "CSM :操作未在指定超时窗口内完成 " 的大型卷, SnapMirror 传输失败
适用场景
- ONTAP 9
- SnapMirror
- SVM 灾难恢复
- SMTape ( SnapMirror 到磁带)
- 内存耗尽
问题描述
- 卷的 SVM DR 传输失败,并显示错误:
Last Transfer Error: Transfer for volume "Volume_Name" failed. Reason: Transfer failed. (Error marshaling replication operation data on Cluster Id: 2f6e64aa-95df-12e6-8bce-00a022a9226d, Node Id: 44da037c-94de-15e6-a8c8-cff55d91aa61 (idl out of memory)).
- 对于大型卷, SnapMirror 传输失败并报告超时 在中
SnapMirror audit logs
Fri Mar 18 09:05:04 CEST 2020 ManualUpdate[Oct 9 09:00:54]:9863154b-77e1-11e8-8090-00a09864b794 Operation-Uuid=2cab1a60-09fd-11eb-b869-00a09867f2a6 Group=none Operation-Cookie=0 action=Defer source=svm1:vol1 destination=svm2:vol2 status=Failure message=Transfer failed.(Replication operation request failed from Cluster Id: "Source Cluster Id", Node Id: "Source NodeId" to Cluster Id: "Destination ClusterId", Node Id: "Destination NodeId" due to a network error(CSM: An operation did not complete within the specified timeout window.))
Sktrace logs
如果 FreeBSD 内存不足,则会记录错误
2021-03-18T09:00:02Z 39696815208071979 [3:0] GFC_FC: gfc_vm_lowmem_start_flowcontrol: started global flow control due to low FreeBSD memory
- 有时,中会报告 SnapMirror 内存不足错误
EMS logs :
Fri Mar 18 06:05:10 +0100 [n1: CsmMpAgentThread: repl.out.of.memory:notice]: SnapMirror replication transfer encountered an out-of-memory error.
- SMTape 将在
EMS.log
上显示此故障:
Wed Mar 20 12:02:50 +0100 [Node01-n01: ib_bkp_main: smtape.bkp.fail:error]: SMTape backup session 6000012 from /SVM-Name/Volume_name to NDMP_LOCAL failed with error failed to marshal replication operation (idl_error = 5) 22:92.