noatime,nodiratime?

[Nicolas KOWALSKI]

Stan Hoeppner <stan at hardwarefreak.com> writes:
> Need a little education here.  I have a general understanding of what the
> inode access timestamps "are" but I have no idea what, if any, applications
> make use of these access times.  I see posts all over Google land saying to
> use "noatime,nodiratime,logbufs=8" for XFS mount options to increase
> performance.

BTW, about the mount options for XFS, is there a way to check for the
default values (things like logbsize, logbufs, something else)?

I used to have noatime,logbufs=8,logbsize=256k on my fileserver, not
sure if these are still necessary.

Thanks,
-- 
Nicolas