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From Jan Kesten <>
Subject Re: CorruptBlockException - recover?
Date Fri, 05 Jul 2013 07:10:24 GMT

i tried to scrub the keyspace - but with no success either, the process 
threw an exception when hitting the corrupt block and stopped then. I 
will rebootstrap the node :-)

Thanks anyways,

On 03.07.2013 19:10, Glenn Thompson wrote:
> For what its worth.  I did this when I had this problem.  It didn't 
> work out for me.  Perhaps I did something wrong.
> On Wed, Jul 3, 2013 at 11:06 AM, Robert Coli < 
> <>> wrote:
>     On Wed, Jul 3, 2013 at 7:04 AM, ifjke <
>     <>> wrote:
>         I found that one of my cassandra nodes died recently (machine
>         hangs). I restarted the node an run a nodetool repair, while
>         running it has thrown a
>         <>.compress.CorruptBlockException.
>         Is there any way to recover from this? Or would it be best to
>         delete the nodes contents and bootstrap it again?
>     If you "scrub" this SSTable (either with the online or offline
>     version of "scrub") it will remove the corrupt data and re-write
>     the rest of the SSTable which isn't corrupt into a new SSTable.
>     That is probably safer for your data than deleting the entire set
>     of data on this replica. When that's done, restart the repair.
>     =Rob

Jan Kesten,
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