Re: swidth with mdadm and RAID6

Peter Grandi
2006-09-15T23:50:39Z

>>> On Fri, 15 Sep 2006 17:07:07 -0400 (EDT), Steve Cousins
>>> <cousins@limpet.umeoce.maine.edu> said:

cousins> I have a RAID6 array of 11 500 GB drives using mdadm.
cousins> There is one hot-spare so the number of data drives is
cousins> 8. I used mkfs.xfs with defaults to create the file
cousins> system and it seemed to pick up the chunk size I used
cousins> correctly (64K) but I think it got the swidth wrong.

Worrying about the impact on performance of a relatively small
thing like 'swidth' for something like an 8+2 RAID6 is quite
funny. http://WWW.BAARF.com/