New: REQ: expanse lfs setstripe

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support-team,

I have a request for the feature of Lustre.
In now, if we want to use on non-striped configuration, we
can set any an OST
for the directory with "lfs setstripe" command.
However, I would like to set some OSTs numbers or OST
range.

The current "lfs setstripe" command is below,
# lfs setstripe <filename|dirname> <stripe size>
<stripe start> <stripe count>

This is my image...
# lfs setstripe <filename|dirname> <stripe size>
<ost numbers or ost range>
<stripe count>

i.e)
# lfs setstripe /mnt/lustre/ha-oss 0 1,2,5,6 1
--> means stripe count 1 in OST1,OST2,OST5 and OST6

# lfs setstripe /mnt/lustre/ha-oss 0 1-2 1
--> means stripe count 1 in OST1,OST2

The background is if we have HA-OSS and non-HA OSS on the
one Lustre file system
below
1xMDS
2xHA-OSS (OST number 1,2 5,6)
2xnon-HA OSS (OST number 3,4)

I would like to consist with only HA-OSSs for some
directories.

Do you have any plan this feature or possible?

Thanks

-Ihara

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