On Wednesday April 12, shaibn@xxxxxxxxx wrote: > I now have the md0 raid1 with 2 disks and 1 spare: > 0 22 65 0 active sync /dev/hdd1 > 1 22 66 1 active sync /dev/hdd2 > > 2 22 67 2 spare /dev/hdd3 > > # /usr/local/sbin/mdadm -G -n 3 /dev/md0 > mdadm: Cannot set raid-devices for /dev/md0: File exists > > i'm using kernel 2.4.26 You'll need a 2.6 kernel for that, I don't remember which one is the minimum. If you are stuck with 2.4, you need to recreate the array: mdadm -S /dev/md0 mdadm -C /dev/md0 -l1 -n3 --assume-clean /dev/hdd1 /dev/hdd2 missing mdadm /dev/md0 -a /dev/hdd3 (is that really 3 partitions on the one device? Just for testing, right? NeilBrown > > # /usr/local/sbin/mdadm -V > mdadm - v2.4.1 - 4 April 2006 > > On 4/11/06, Shai <shaibn@xxxxxxxxx> wrote: > > Hi, > > > > I have two SCSI disks on raid1. > > Since I have lots of reads from that raid, I want to add two more > > disks to this raid so that read will be faster. > > > > How should I add the new disks? > - > 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 - 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
