[jira] [Assigned] (RATIS-1375) Handle bad storage dir due to disk failures

["Tsz-wo Sze (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/RATIS-1375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz-wo Sze reassigned RATIS-1375:
---------------------------------

    Assignee: Mark Gui

> Handle bad storage dir due to disk failures
> -------------------------------------------
>
>                 Key: RATIS-1375
>                 URL: https://issues.apache.org/jira/browse/RATIS-1375
>             Project: Ratis
>          Issue Type: Bug
>          Components: server
>            Reporter: Mark Gui
>            Assignee: Mark Gui
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> When testing ozone with bad ratis volume, we hit the following log:
> ``` 
> {{2021-05-06 18:19:48,166 [Command processor thread] ERROR org.apache.hadoop.ozone.container.common.statemachine.commandhandler.CreatePipelineCommandHandler: Can't create pipeline RATIS THREE PipelineID=08de41a6-5c9e-48d4-9789-4c09798ecffd
>  java.io.IOException: Input/output error
>  at org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.addGroup(XceiverServerRatis.java:805)
>  at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.CreatePipelineCommandHandler.handle(CreatePipelineCommandHandler.java:92)
>  at org.apache.hadoop.ozone.container.common.statemachine.commandhandler.CommandDispatcher.handle(CommandDispatcher.java:99)
>  at org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$initCommandHandlerThread$2(DatanodeStateMachine.java:506)
>  at java.lang.Thread.run(Thread.java:748)
>  Caused by: java.io.IOException: Input/output error
>  at java.io.UnixFileSystem.canonicalize0(Native Method)
>  at java.io.UnixFileSystem.canonicalize(UnixFileSystem.java:172)
>  at java.io.File.getCanonicalPath(File.java:620)
>  at org.apache.ratis.server.storage.RaftStorageDirectoryImpl.analyzeStorage(RaftStorageDirectoryImpl.java:129)
>  at org.apache.ratis.server.storage.RaftStorageImpl.analyzeAndRecoverStorage(RaftStorageImpl.java:95)
>  at org.apache.ratis.server.storage.RaftStorageImpl.<init>(RaftStorageImpl.java:65)
>  at org.apache.ratis.server.storage.RaftStorageImpl.<init>(RaftStorageImpl.java:51)
>  at org.apache.ratis.server.impl.ServerState.<init>(ServerState.java:112)
>  at org.apache.ratis.server.impl.RaftServerImpl.<init>(RaftServerImpl.java:193)
>  at org.apache.ratis.server.impl.RaftServerProxy.lambda$newRaftServerImpl$4(RaftServerProxy.java:266)
>  at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1604)
>  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>  ... 1 more}}
> ```
> RaftServer does not catch the IOException and just throw it.
> Actually when we have multiple storageDirs, we could try other dirs.



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