[Lustre-devel] How store HSM metadata in MDT ?
Jacques-Charles Lafoucriere
jc.lafoucriere at cea.fr
Fri Jul 11 07:32:48 PDT 2008
Peter Braam wrote:
>>> 3. how are multiple coordinators and agents utilized to distribute load so
>>> that the HSM can keep up with massive small file creation?
>>>
>> One coordinator per MDT.
>>
>
> No - these must be independent considerations. A coordinator may be much
> slower than an MDS node in handling a single file. I say this because this
> has been the experience in the industry so far - with small files the HSM
> can not at all keep up.
>
Why a coordinator should be on a slower node than a MDS ?
Coordinator is a Lustre service like other Lustre services so it will
be on a right hardware
Do you mean a coordinator is not part of the Lustre cluster ?
JC
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