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https://issues.apache.org/jira/browse/HBASE-19542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16295094#comment-16295094
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Chia-Ping Tsai commented on HBASE-19542:
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{quote}
See MasterWalManager#checkFileSystem which toggles fsOk flag if file system is
not available.
Should the new method do the same ?
{quote}
The main point here is to break the loop. Doing the check won't take much time.
[~Apache9] Would you please take a look? our Async expert. :)
> fix TestSafemodeBringsDownMaster
> --------------------------------
>
> Key: HBASE-19542
> URL: https://issues.apache.org/jira/browse/HBASE-19542
> Project: HBase
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-19542.v0.patch
>
>
> We need to check the stability of underlay file system when closing async
> wal. Otherwise, our hbase can't shutdown gracefully.
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