[Lustre-discuss] Performance parameters

Brian J. Murrell
Tue, 10 Jun 2008 19:15:23 -0000

On Tue, 2008-06-10 at 11:56 -0700, Klaus Steden wrote:
> Hi Brian,
>
> I know I can''t have more than one MDT online for the same file
system at the
> same time, but I know it''s possible to have one configured as a
hot standby.
> Are there any limits on the number of backup MDTs a given cluster can have?
> I''m not sure if this question has been asked before, but
I''m curious.

I recall discussing this with another engineer here not that long ago
and while we could not think of any particular practical limitation to
the number of stand-by MDSes one could have, we also don''t acknowledged
that we don''t do any testing with more than one.

b.

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