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https://issues.apache.org/jira/browse/CASSANDRA-2116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419895#comment-13419895
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Aleksey Yeschenko commented on CASSANDRA-2116:
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{quote}
Why would that be more useful?
{quote}
In some implementations (not talking about KeysIndex) it's not just IO that 
might go wrong. I don't want to make people choose between wrapping the real 
exception in IOE or RTE or swallowing everything.
There is at least one other implementation - in DSE, probably other ones, so 
it's not a completely made up issue.
                
> Separate out filesystem errors from generic IOErrors
> ----------------------------------------------------
>
>                 Key: CASSANDRA-2116
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2116
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Chris Goffinet
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2
>
>         Attachments: 
> 0001-Issue-2116-Replace-some-IOErrors-with-more-informati.patch, 
> 0001-Separate-out-filesystem-errors-from-generic-IOErrors.patch, 
> CASSANDRA-2116-v3.patch
>
>
> We throw IOErrors everywhere today in the codebase. We should separate out 
> specific errors such as (reading, writing) from filesystem into FSReadError 
> and FSWriteError. This makes it possible in the next ticket to allow certain 
> failure modes (kill the server if reads or writes fail to disk).

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