[LUGOS] RAID blues

[Miha Furlan]

Nastavitven fajl za mdadm je po defaultu /etc/mdadm.conf:

server1->root root :P cat /etc/mdadm.conf
DEVICE  /dev/hda1 /dev/hde2
ARRAY   /dev/md0  devices=/dev/hda1,/dev/hde2 level=1
server1->root root :P

Sam sem raid delal z direktnim vpisovanjem tja notri.

Lep pozdrav,
Miha

On Mon, 12 Dec 2005 13:13:06 +0100, Uroš Golja <goljau at comcom.si> wrote:

> Pozdrav,
>
> že ob inštalaciji Debiana (etch) sem spravil /dev/sda1 in /dev/sdb1 v  
> RAID1 (/dev/md0). Potem sem želel v array dodati še eno particijo,  
> /dev/sdc, kar mi je nekako uspelo (čaral sem z mdadm -G in mdadm -a). Ko  
> se je array rebuildal, sem dobil tole:
> lit01s01:~# mdadm -D /dev/md0
> /dev/md0:
>         Version : 00.90.01
>   Creation Time : Thu Dec  8 14:59:25 2005
>      Raid Level : raid1
>      Array Size : 8747264 (8.34 GiB 8.96 GB)
>     Device Size : 8747264 (8.34 GiB 8.96 GB)
>    Raid Devices : 3
>   Total Devices : 3
> Preferred Minor : 0
>     Persistence : Superblock is persistent
>
>     Update Time : Mon Dec 12 13:00:14 2005
>           State : clean
>  Active Devices : 3
> Working Devices : 3
>  Failed Devices : 0
>   Spare Devices : 0
>
>            UUID : 8d412cb7:43025322:cb394580:f2a3163c
>          Events : 0.103058
>
>     Number   Major   Minor   RaidDevice State
>        0       8        1        0      active sync   /dev/sda1
>        1       8       17        1      active sync   /dev/sdb1
>        2       8       33        2      active sync   /dev/sdc1
> lit01s01:~#
>
> Do tu vse lepo in prav. Ampak ob vsakem rebootu, mi mdadm pokaže tole:
> lit01s01:~# mdadm -D /dev/md0
> /dev/md0:
>         Version : 00.90.01
>   Creation Time : Thu Dec  8 14:59:25 2005
>      Raid Level : raid1
>      Array Size : 8747264 (8.34 GiB 8.96 GB)
>     Device Size : 8747264 (8.34 GiB 8.96 GB)
>    Raid Devices : 3
>   Total Devices : 2
> Preferred Minor : 0
>     Persistence : Superblock is persistent
>
>     Update Time : Mon Dec 12 13:11:16 2005
>           State : clean, degraded
>  Active Devices : 2
> Working Devices : 2
>  Failed Devices : 0
>   Spare Devices : 0
>
>            UUID : 8d412cb7:43025322:cb394580:f2a3163c
>          Events : 0.103166
>
>     Number   Major   Minor   RaidDevice State
>        0       8        1        0      active sync   /dev/sda1
>        1       8       17        1      active sync   /dev/sdb1
>        2       0        0        -      removed
>
> Kaj pri Zevsu moram narediti, da bo /dev/md0 tudi po rebootu sestavljen  
> iz treh naprav? Je kje kakšen konfiguracijski fajl, ki sem ga spregledal?
>
> LP,
> U.
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