[Pvfs2-users] Striping in PVFS2 on a per-file basis
FileSystem Novice
filesysuser at gmail.com
Fri Jan 23 13:13:35 EST 2009
Hi,
While trying to explore the PVFS2 striping features using the 'setfattr' and
distribution parameters (like type of stripe, stripe-size, etc), the
examples I came across mostly deal with setting the striping distribution
parameters (simple-stripe, etc) on a directory basis. So if we set the
distribution parameters for a directory, all files created on that directory
(after the striping distribution parameters have been set) will be striped
identically.
But let's say I want to stripe a file A in directory X using a simple-stripe
and strip length of 64KB and want to stripe a different file B in the same
directory X using a simple-stripe and strip length of 5KB, etc (since each
data file may have different record lengths, I would like to stripe them
based on a multiple of the record lenght)... would I achieve this by setting
each file's extended attributes with the desired values ?
Is it possible to do striping in PVFS2 on a per-file basis as mentioned
above and if so, are there links to any documents / examples out there?
Thanks a lot for your help in advance,
Novice
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