On Mar 06, 2007 17:18 +0530, rishi pathak wrote:
> I have a one active MDS and 6 OSS(each serving one OST) with no failover
> support.
> Everything was working fine but now one of the OSS node is having machine
> failures very often and hence lustre fs
> gets offline.What I want is to shift the data from failing OSS's OST to
> another machine who will then serve as the new replaced OSS
> without disturbing the previous data.So can I copy the data from the OST
> device(say /dev/sda7 ) in raw mode to another machines some partition and
> change the configuration in the xml file and start serving.
Yes. There is a KB entry in bugzilla that describes this. Search for
"backup". If you are moving the OST to another machine you also need
to run "lconf --write-conf {config}.xml" on the mds.
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
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