On Wed, 11 Feb 2009, mike dentifrice wrote:
Hello,
I would like to know if it makes any sense to specify sunit & swidth
parameters as mount options to XFS filesystems sitting on a Linux
software RAID-1 array, as advertised here [1] or there [2].
I'm asking, because it seems that chunk_size does not matter in a RAID-1
context, nor do stripe units; or do they?
Any tip would be appreciated,
[1] http://www.socalsysadmin.com/2008/10/15/optimizing-xfs-on-raid-arrays/
[2] http://feedblog.org/2008/06/18/howto-configure-raid-strides-in-xfs/
--
mike dentifrice <fluor@xxxxxxxxxxx>
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mkfs.xfs will auto-optimize for software-raid arrays for the most part,
with HW raid on a 3ware controller, tweaking mkfs.xfs does not help very
much. with SW raid, at least for raid1 - I use the defaults.
Justin.
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