On Nov 29, 2012, at 5:44 PM, Oguz Yilmaz <oguzyilmazlist@xxxxxxxxx> wrote: > Hello, > > I have a system already configured with raid 1 with 2 disks: > > /dev/md1 918347072 249416692 621528596 29% /var > /dev/md0 9920532 160640 9247828 2% /tmp > > # cat /proc/mdstat > Personalities : [raid1] > md1 : active raid1 sdc5[0] sdb5[1] > 948035712 blocks [2/2] [UU] > > md0 : active raid1 sdc2[0] sdb2[1] > 10241344 blocks [2/2] [UU] > > I have asked for changing this into Raid 0+1 (striped raid is > mirrored, http://en.wikipedia.org/wiki/Nested_RAID_levels#RAID_0.2B1 ) > > How can I change this partition into Raid 01 after adding 2 more disks > without formatting? I think you have to start from scratch. You can however stripe the mirrors and make it a RAID 10 which is more reliable anyway. I'm not sure what the difference is between separate steps for creating RAID 1, then RAID 0'ing those mirors, versus setting up RAID 10 from the outset as one step. Chris Murphy-- 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
