Lustre discuss - Nov 2009 - where is the failnode list

Hi,
First,thanks to everyone.I am a newbie

when the OSS providing an OST dies, the client cycles through the OST''s
failover list trying each OSS, serially, until
it finds the OST. My question is where the failnode list store, and how the
client can find it. Can I find it using command in /proc ,/sys or somewhere?
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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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