On Wed, Oct 28, 2015 at 2:40 PM, Sheng Yang <sheng@xxxxxxxxxx> wrote: > On Wed, Oct 28, 2015 at 12:56 PM, Dragan Milivojević > <galileo@xxxxxxxxxxx> wrote: >>> I tried to create a raid using: >>> >>> # mdadm --create device-123 --verbose --level=mirror --raid-devices=2 >>> --name=device-123 /dev/sda /dev/sdb >>> mdadm: Defaulting to version 1.2 metadata >>> mdadm: array /dev/md/device-123 started. >>> >>> But what I got in the end is only /dev/md127. The directory of >>> /dev/md/ doesn't exist. >> >> >> try mdadm --create /dev/md/device-123, >> >> for example: >> >> truncate -s 512M disk0 >> truncate -s 512M disk1 >> >> losetup /dev/loop0 disk0 >> losetup /dev/loop1 disk1 >> >> mdadm --create /dev/md/device-123 --verbose --level=mirror >> --raid-devices=2 /dev/loop0 /dev/loop1 >> >> [root@eos ~]# ll /dev/md/device-123 >> lrwxrwxrwx 1 root root 8 Oct 28 20:53 /dev/md/device-123 -> ../md127 >> >> [root@eos ~]# mdadm --detail --scan >> ARRAY /dev/md/device-123 metadata=1.2 name=device-123 >> UUID=03ba5df7:7c5cc933:367e19ef:384665c5 > > Thank Dragan! It works! > > Seems it's mdadm itself create the link rather than do through kernel, > which gave me a little trouble. :D Hi Dragan, One more question if you don't mind: When you do mdadm --stop /dev/md/device-123 Would mdadm remove the broken link file /dev/md/device-123 automatically? I found I have to remove the link file manually later... --Sheng > > --Sheng -- 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
