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| author | NeilBrown <neilb@suse.de> | 2009-03-31 08:27:05 +0400 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2009-03-31 08:27:05 +0400 |
| commit | 2cffc4a01dd90a502324e3453d7b245d6d16e1c2 (patch) | |
| tree | bcaf6e9fb8169c4e863173d33624de4c9a181246 /drivers/md/Kconfig | |
| parent | ab69ae12ceef7f23c578a3c230144e94a167a821 (diff) | |
| download | linux-2cffc4a01dd90a502324e3453d7b245d6d16e1c2.tar.xz | |
md: remove CONFIG_MD_RAID_RESHAPE config option.
This was only needed when the code was experimental. Most of it
is well tested now, so the option is no longer useful.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/Kconfig')
| -rw-r--r-- | drivers/md/Kconfig | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 449d0b9cac14..36e0675be9f7 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -152,35 +152,6 @@ config MD_RAID456 If unsure, say Y. -config MD_RAID5_RESHAPE - 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. - - You will need mdadm version 2.4.1 or later to use this - feature safely. During the early stage of reshape there is - a critical section where live data is being over-written. A - crash during this time needs extra care for recovery. The - newer mdadm takes a copy of the data in the critical section - and will restore it, if necessary, after a crash. - - The mdadm usage is e.g. - mdadm --grow /dev/md1 --raid-disks=6 - to grow '/dev/md1' to having 6 disks. - - Note: The array can only be expanded, not contracted. - There should be enough spares already present to make the new - array workable. - - If unsure, say Y. - config MD_RAID6_PQ tristate |