mdadm: sda1 nas no superblock

[Arkadiusz Chomicki]

On Tuesday 18 of January 2011 18:27:50 Jan Wideł wrote:
> On Tue, 2011-01-18 at 18:05 +0100, Arkadiusz Chomicki wrote:
> > On Tuesday 18 of January 2011 17:46:25 Jan Wideł wrote:
> > > On Tue, 2011-01-18 at 17:27 +0100, Arkadiusz Chomicki wrote:
> > > > > On Tue, 2011-01-18 at 16:38 +0100, Arkadiusz Chomicki wrote:
> > > > >> przy statrcie sytemu mam cos takiego:
> > > > >>
> > > > >> mdadm: /dev/sda1 has no superblock - assembly aborded
> > > > >> mdadm: we have match both /dev/md0 and /dev/md1 - cannot decide which to
> > > > >> use
> > > > >> mdadm: /dev/md1 has been started which 2 drives
> > > > >> mdadm: /dev/sda1 has no superblock - assembly aborded
> > > > >
> > > > > Sprzawdz czy typ partycji jest: Linux raid autodetect.
> > > > 
> > > > partycje byly typu 83, ale po zmianie na fd nic sie nie zmienilo
> > > 
> > > a wrzuć jeszcze wynik:
> > > mdadm --detail --scan --verbose
> > 
> > # mdadm --detail --scan --verbose
> > mdadm: cannot open /dev/md/0_0: No such file or directory
> > ARRAY /dev/md1 level=raid1 num-devices=2 metadata=0.90 UUID=a459a50a:6b2496a8:a539c67b:33213a74
> >    devices=/dev/sda2,/dev/sdb2
> > 
> > tutaj niewiem czemu szuka w /dev/md/0_0 zamiast /dev/md0
> 
> a /dev/md0 tworzy się w ogóle? tzn czy raid odpala ale nie pelny z
> jednym dyskiem (sdb1).
> mdadm --detail /dev/md0
> cat /proc/mdstat
> 
> 
tak, tworza sie oba, ale przechodzi o init 1
potem montuję /dev/md1 do systemu plikow i wykonuje init 3

dzieki temu moge uruchomic server.

# mdadm --detail /dev/md0
/dev/md0:
        Version : 0.90
  Creation Time : Mon May 10 09:15:15 2010
     Raid Level : raid1
     Array Size : 104864192 (100.01 GiB 107.38 GB)
  Used Dev Size : 104864192 (100.01 GiB 107.38 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Tue Jan 18 18:03:40 2011
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 72de3eff:5c7c50a8:6d9a7f38:f9852c47
         Events : 0.1508306

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1
       1       8       17        1      active sync   /dev/sdb1

# cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sda2[0] sdb2[1]
      373302336 blocks [2/2] [UU]

md0 : active raid1 sda1[0] sdb1[1]
      104864192 blocks [2/2] [UU]

unused devices: <none>

pozdrawiam
-- 
Arkadiusz Chomicki <chomar (at) wla.pl>
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