[LUGOS] RAID-1 težave

Jurij Reščič jure at gemini.fkkt.uni-lj.si
Tue May 27 18:00:08 CEST 2003


Nejc Skoberne wrote:

>>md: superblock update time inconsistency -- using the most recent one
>>    
>>
>
>Vzrok je tocno v tem. Na obeh diskih je razlicen superblock. Torej ga
>moras updatat. To storis tako:
>
>grub
>root (hd0,0)
>setup (hd0,0)
>

Narejeno, toda zadeva je nespremenjena. Še nekaj izpisov:

cat /proc/mdstat:

Personalities : [raid1]
read_ahead 1024 sectors
md3 : active raid1 hde6[0] hdg6[1]
      3071744 blocks [2/2] [UU]

md1 : active raid1 hdg5[1]
      6144128 blocks [2/1] [_U]

md2 : active raid1 hdg3[1]
      10239680 blocks [2/1] [_U]

md4 : active raid1 hde2[0] hdg2[1]
      10239680 blocks [2/2] [UU]

md0 : active raid1 hdg1[1]
      102208 blocks [2/1] [_U]

unused devices: <none>

md1 je /, md2 /home, md0 /boot in md4 /usr/local

dmesg | grep raid:

md: raid1 personality registered as nr 3
raid1: device hdg1 operational as mirror 1
raid1: md0, not all disks are operational -- trying to recover array
raid1: raid set md0 active with 1 out of 2 mirrors
raid1: device hde2 operational as mirror 0
raid1: device hdg2 operational as mirror 1
raid1: raid set md4 active with 2 out of 2 mirrors
raid1: device hdg3 operational as mirror 1
raid1: md2, not all disks are operational -- trying to recover array
raid1: raid set md2 active with 1 out of 2 mirrors
raid1: device hdg5 operational as mirror 1
raid1: md1, not all disks are operational -- trying to recover array
raid1: raid set md1 active with 1 out of 2 mirrors
raid1: device hde6 operational as mirror 0
raid1: device hdg6 operational as mirror 1
raid1: raid set md3 active with 2 out of 2 mirrors

Enako ali še slabše je na eni identični mašini, na eni drugi pa je OK.

Jurij




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