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Kumar y |
at Oct 4, 2013 at 1:44 am
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Any disk failure might bring down datanode if DN cannot continue to write
to the configured data volume. you can this behavior with this property
"dfs.datanode.failed.volumes.tolerated". if you give value 2 for this
property then DN will tolerate 2 vol/disk failures and continue to operate
and it will shutdown itself when there are more than 2 failures.
On Thu, Oct 3, 2013 at 6:21 PM, wrote:Say I have a server with 12 disks each (3TB each) presented as a raw
volume and each disk corresponds to a mount point and each mount point is
part of data directories. Does a disk failure of one of the 12 disks, take
the node out of operation until the disk is replaced or the reads/writes
continue with remaining disks?
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