On Fri, 2 Mar 2007, Laurent CARON wrote:
Justin Piszcz wrote:
You can only grow a RAID5 array in Linux as of 2.6.20 AFAIK.
From the man page:
Grow Grow (or shrink) an array, or otherwise reshape it in some way.
Currently supported growth options including changing the active size of
component devices in RAID level 1/4/5/6 and changing the number of
active devices in RAID1.
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Interesting, give it a try? :) The kernel says raid-5 only.
x x [*] RAID-4/RAID-5/RAID-6 mode
x x [*] Support adding drives to a raid-5 array
x CONFIG_MD_RAID5_RESHAPE: x
x x
x A RAID-5 set can be expanded by adding extra drives. This x
x requires "restriping" the array which means (almost) every x
x block must be written to a different place. x
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