From eb850de608cc22e0199b3797cd5c0076bae6cda0 Mon Sep 17 00:00:00 2001 From: Mike Snitzer Date: Fri, 27 Jul 2012 15:08:01 +0100 Subject: dm stripe: support for non power of 2 chunksize Support non-power-of-2 chunk sizes with dm striping for proper alignment of stripe IO on storage that has non-power-of-2 optimal IO sizes (e.g. RAID6 10+2). Signed-off-by: Mike Snitzer Signed-off-by: Mikulas Patocka Signed-off-by: Alasdair G Kergon --- Documentation/device-mapper/striped.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/device-mapper/striped.txt b/Documentation/device-mapper/striped.txt index 953fe1d68068..45f3b91ea4c3 100644 --- a/Documentation/device-mapper/striped.txt +++ b/Documentation/device-mapper/striped.txt @@ -9,8 +9,8 @@ devices in parallel. Parameters: [ ]+ : Number of underlying devices. - : Size of each chunk of data. Must be a power-of-2 and at - least as large as the system's PAGE_SIZE. + : Size of each chunk of data. Must be at least as + large as the system's PAGE_SIZE. : Full pathname to the underlying block-device, or a "major:minor" device-number. : Starting sector within the device. -- cgit v1.2.3