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From venkat sam <>
Subject Re: nodetool repair stalled
Date Thu, 13 Nov 2014 04:52:49 GMT
Hi Eric,

The data are stored in JBOD. Only one of the disk got crashed other 3 disk still holds the
old data . That's why I didn't clean the whole node and issue a fresh restart

Thanks Rob. Will do try that way.

From: Eric Stevens
Sent: ‎Wednesday‎, ‎November‎ ‎12‎, ‎2014 ‎8‎:‎21‎ ‎PM

Wouldn't it be a better idea to issue removenode on the crashed node, wipe the whole data
directory (including system) and let it bootstrap cleanly so that it's not part of the cluster
while it gets back up to speed?

On Tue, Nov 11, 2014, 12:32 PM Robert Coli <> wrote:

On Tue, Nov 11, 2014 at 10:48 AM, venkat sam <> wrote:

I have a 5 node cluster. In one node one of the data directory partition got crashed. After
disk replacement I restarted the Cassandra daemon and gave nodetool repair to restore the
missing replica’s. But nodetool repair is getting stuck after syncing one of the columnfamily

Yes, nodetool repair often hangs. Search through the archives, but the summary is.

1) try to repair CFs one at a time

2) it's worse with vnodes

3) try tuning the phi detector or network stream timeouts

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