: HDFS Backup nodes
Hi Jorn,
Which hadoop version were you using when you hit that issue?
Koji
On 12/7/11 5:25 AM, Jorn Argelo - Ephorus jorn.arg...@ephorus.com
wrote:
Just to add to that note - we've ran into an issue where the NFS share
was out of sync (the namenode storage failed even
Just to add to that note - we've ran into an issue where the NFS share
was out of sync (the namenode storage failed even though the NFS share
was working), but the other local metadata was fine. At the restart of
the namenode it picked the NFS share's fsimage even if it was out of
sync. This had
Hi all,
I was wondering if there are any (technical) issues with running two
secondary namenodes on two separate servers rather than running just
one. Since basically everything falls or stands with a consistent
snapshot of the namenode fsimage I was considering to run two secondary
namenodes
?) and see if you can recover from this. That way, if you
ever get hit with a Name Node corruption you'll be in a much better
place to recovery most/all of your data.
Even with the best setup it can happen if you hit a 'corner case'
scenario.
Chris
On 12 October 2011 08:50, Jorn Argelo - Ephorus
