On Mar 12, 2009 13:54 +0900, Tim Burgess wrote:
> Just to confirm... The following command will set
> /proc/fs/lustre/mds/xxx/atime_diff persistently (to 86400s)?
>
> tunefs.lustre --param mdt.atime_diff=86400 /dev/xxxx
>
> At least with --dryrun, tunefs.lustre gives no feedback about whether
> the parameter you are setting is a valid one. Hence the post to the
> list!
Note that using tunefs.lustre isn't possible on a mounted filesystem.
Instead you can permanently change this while the system is mounted:
lctl conf_param lustre-MDT0000.mdt.atime_diff=86400
Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.
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