diff options
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 449d0b9cac1..36e0675be9f 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 |