WAFL上的用户数据块不一致

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适用场景

ONTAP 9
SAN
LUN上的WAFL不一致

问题描述

检测到用户数据块存在WAFL不一致。

[Node1: raidio_thread: raid.read.media.err:debug]: Read error on Disk /aggr1/plex0/rg0/0b.04.5 Shelf 4 Bay 5 [NETAPP   X306_WKOJN02TSSA NA02] S/N [WD-WCXXXXXXXX34], block #20095087

[Node-1: wafl_exempt00: wafl.incons.userdata:error]: WAFL inconsistent: inconsistent user data block at VBN 3662300977 (vvbn:290463035 fbn:671812487 level:0) in public inode (fileid:96 snapid:0 file_type:15 disk_flags:0x8402 error:120 raid_set:1) in volume vol1@vserver:2bxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxdd.

[Node-1: wafl_exempt00: wafl.incons.userdata.vol:alert]: WAFL inconsistent: volume vol1@vserver:2bxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxdd has an inconsistent user data block. Note: Any new Snapshot copies might contain this inconsistency.

[Node-1: wafl_exempt00: callhome.wafl.inconsistent.user.block:alert]: Call home for WAFL INCONSISTENT USER BLOCK

按照知识库文章 How to Clear In不一致的用户数据块错误中所述执行的vbncheck 和file check 显示LUN上存在不一致的块。
在某些情况下、节点可能还会报告以下事件：

[Node-1: scsitgt_admin: scsitarget.read.RAID.error:error]: Read of LUN /vol/vol1/lun1 failed due to a RAID error.