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CONAP-426766：EMS日志报告VBN上错误压缩块的WAFL不一致

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ontap-9
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问题描述

NetApp已确定FAS和Cloud Volumes ONTAP产品上的一个软件问题描述涉及Flash Cache和FabricPool (FP)之间的交互、这可能会导致故障转移后向客户端返回不正确的数据。
症状：

  • 无法读取回客户端
    • 此节点可能会记录一个用于指示故障的EMS条目(请参见以下示例)
  • 客户端应用程序出现故障或检测到数据不一致

EMS日志条目示例：
  wafl.incons.compressed.buf: WAFL inconsistent: bad compressed block at VBN XXXXXXXXXXX (vvbn:XXXXXXXXXX fbn:XXXX level:X compression group first vbn:XXXXXXX compression group size X) in inode (fileid:XXXXXXX snapid:X) in volume volname@vserver:XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX.

 

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