On Wed, 9 Dec 2009 15:30:02 +0000 Robin Hill <robin@xxxxxxxxxxxxxxx> wrote: > On Wed Dec 09, 2009 at 08:31:54PM +0530, senthilkumar.muthukalai@xxxxxxxxx wrote: > > > Hi, > > > > I am trying to add a disk to a Linear Raid which was created with 2 > > disks. > > We use linux-2.6.18 and mdadm-2.6.4. > > I guess these support the above mentioned disk addition. > > > Why do you guess this? The manual page should tell you exactly what's > supported, and even mdadm 3.1.1 makes no mention of support for growing > linear RAID: > > Currently supported growth options including changing the active > size of component devices and changing the number of active > devices in RAID levels 1/4/5/6, changing the RAID level between > 1, 5, and 6, changing the chunk size and layout for RAID5 and > RAID5, as well as adding or removing a write-intent bitmap > > Hmm... guess I should update that documentation, shouldn't I ..... Adding a device to a linear is supported since 2.6.18. NeilBrown -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html