unable to read superblock ?

unable to read superblock ?

[Donghui Wen]

Hi, I have a machine setup as software-raid + ext3 + redhat ,
but this morning, it seems the file system crash. here is
the booting message, anyone has any idea how to fix it.

Thanks!

Donghui

----------------------------------------------------------------------------
------
md: adding sda1
md: created md2
md: using <sdb1> <sda1>
md: md2: raid array is not clean -- starting bacground reconstruction
RAID level 1 does not need chunck size. Continuing anyway.
md2: max total readahead window set to 124k

raid1: device sdb1 operational as mirror1
raid1: device sda1 operational as mirror 0
raid1: raid set md2 mot clean, reconstructing mirror
raid1: raid set md2 active with 2 out of 2 mirrors
md: updating md2 RAID superblock device
.
.
md: autorun DONE
mounting root filesystem
EXT3-fs: unable to read super block
mount: error 22 mounting ext3
pivotrot: oivot_root(/sysrot,/sysrot/initrd) failed :2
freing unused kernal memory: 244k fred
kernal panic: no init found. Try passing init= option to kernal

-----------------------------------------------------------

Re: unable to read superblock ?

[Alfred Isele]

Hello!
Maybe you created the file system before creating the md device?
Regards
Alfred


At 06:29 09.06.03 -0700, Donghui Wen wrote:
>Hi, I have a machine setup as software-raid + ext3 + redhat ,
>but this morning, it seems the file system crash. here is
>the booting message, anyone has any idea how to fix it.
>
>Thanks!
>
>Donghui
>
>----------------------------------------------------------------------------
>------
>md: adding sda1
>md: created md2
>md: using <sdb1> <sda1>
>md: md2: raid array is not clean -- starting bacground reconstruction
>RAID level 1 does not need chunck size. Continuing anyway.
>md2: max total readahead window set to 124k
>
>raid1: device sdb1 operational as mirror1
>raid1: device sda1 operational as mirror 0
>raid1: raid set md2 mot clean, reconstructing mirror
>raid1: raid set md2 active with 2 out of 2 mirrors
>md: updating md2 RAID superblock device
>.
>.
>md: autorun DONE
>mounting root filesystem
>EXT3-fs: unable to read super block
>mount: error 22 mounting ext3
>pivotrot: oivot_root(/sysrot,/sysrot/initrd) failed :2
>freing unused kernal memory: 244k fred
>kernal panic: no init found. Try passing init= option to kernal
>
>-----------------------------------------------------------
>
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