From: NeilBrown I have had enough success reports not to believe that this is safe for 2.6.19. Signed-off-by: Neil Brown Signed-off-by: Andrew Morton --- drivers/md/Kconfig | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff -puN drivers/md/Kconfig~md-remove-experimental-classification-from-raid5-reshape drivers/md/Kconfig --- a/drivers/md/Kconfig~md-remove-experimental-classification-from-raid5-reshape +++ a/drivers/md/Kconfig @@ -138,16 +138,16 @@ config MD_RAID456 If unsure, say Y. config MD_RAID5_RESHAPE - bool "Support adding drives to a raid-5 array (experimental)" - depends on MD_RAID456 && EXPERIMENTAL + bool "Support adding drives to a raid-5 array" + depends on MD_RAID456 + default y ---help--- A RAID-5 set can be expanded by adding extra drives. This requires "restriping" the array which means (almost) every block must be written to a different place. This option allows such restriping to be done while the array - is online. However it is still EXPERIMENTAL code. It should - work, but please be sure that you have backups. + is online. You will need mdadm version 2.4.1 or later to use this feature safely. During the early stage of reshape there is @@ -164,6 +164,8 @@ config MD_RAID5_RESHAPE There should be enough spares already present to make the new array workable. + If unsure, say Y. + config MD_MULTIPATH tristate "Multipath I/O support" depends on BLK_DEV_MD _