Rachael wrote:
> formatting should take place with:
> ~# mke2fs -t ext3 -E stripe-width=32 /dev/sda(x)

??

But due to man mkfs.ext3:

stripe-width=stripe-width
                      Configure  the  filesystem  for  a RAID array with 
stripe-width filesystem blocks per stripe.
                      This is typically stride-size * N, where N is the number 
of data-bearing disks  in  the  RAID
                      (e.g.  for  RAID  5  there  is one parity disk, so N will 
be the number of disks in the array
                      minus 1).  This allows the block allocator to prevent 
read-modify-write of the  parity  in  a
                          RAID stripe if possible when the data is written.

But:
stride=stride-size
                Configure  the  filesystem  for  a RAID array with stride-size 
filesystem blocks. This is the
                number of blocks read or written to disk before moving to the 
next disk, which  is  sometimes
                referred  to  as  the  chunk size.  This mostly affects 
placement of filesystem metadata like
                bitmaps at mke2fs time to avoid placing them on a single disk, 
which  can  hurt  performance.
                 It may also be used by the block allocator.

-- 
Installation fails on Crucial/Micron M225 256gb SSD
https://bugs.launchpad.net/bugs/415888
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