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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