[Lustre-discuss] where is the failnode list

[Brian J. Murrell]

On Tue, 2009-11-10 at 14:37 +0800, lelustre wrote: 
> Hi,

Hi,

> when the OSS providing an OST dies, the client cycles through the OST's failover list trying each OSS,

Yes.

> My question is where the failnode list store,

It's stored in the client configuration log on the MGS.

> and how the client can find it.

When the client mounts a filesystem, it contacts the MGS to get the
configuration for that filesystem, including service (primary and
failover) nodes for the OSTs in that filesystem.

> Can I find it using command in /proc ,/sys or somewhere?

Not as far as I recall.  You could fetch the client llog and use the
llog_reader to display it, but unless you know how the logs are written
and parsed, it probably wno't make much sense to you.

b.

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