Prohozeni raidu md0 <-> md1

[Martin Kraus]

On Tue, Nov 18, 2008 at 02:52:50PM +0100, Dalibor Straka wrote:
> On Tue, Nov 18, 2008 at 02:33:26PM +0100, Pavel Janoušek wrote:
> > - číslo MD zařízení (takže sám ví, že dotyčný RAID1 je /dev/md4)
> > 
> Nesouhlasim ;-)
> 
> Pouzil jsem prikazy:
> sfdisk -d /dev/sda |sfdisk /dev/sdb
> mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sda1 /dev/sdb1
> 
> A v dmesg bylo po bootu:
>  md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
>  md: bitmap version 4.39
>  md: raid1 personality registered as nr 3
>  md: md0 stopped.
>  md: bind<sdb1>
>  md: bind<sda1>
>  raid1: raid set md0 active with 2 out of 2 mirrors

/dev/hda2:
          Magic : a92b4efc
        Version : 00.90.00
           UUID : 50caf2e0:1cdbfad7:8105c97c:5efff2dc
  Creation Time : Wed Nov  7 17:39:59 2007
     Raid Level : raid1
    Device Size : 493312 (481.83 MiB 505.15 MB)
     Array Size : 493312 (481.83 MiB 505.15 MB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 1

    Update Time : Tue Nov 18 13:35:04 2008
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0
       Checksum : 873421b7 - correct
         Events : 0.28


      Number   Major   Minor   RaidDevice State
this     0       3        2        0      active sync   /dev/hda2

   0     0       3        2        0      active sync   /dev/hda2
   1     1      22        2        1      active sync   /dev/hdc2

bych mel skoro pocit, ze "Preferred Minor" by mohlo byt ono. budu muset nekdy
vyzkouset autodetekci v kernelu misto toho initramfs. 

mk