Re: raid problems
Solved the problem myself.
And found a alternative way to set up raid.
I have to identical disk hda, hdc.
1)
Install debian on hda.
hda1 /boot
hda2 /
hda3 Swap
2)
config raidtab with hdc af failed.
md0 for boot
md1 for root
3)
config fstab and lilo.conf
md0 for boot
md1 for root
4)
clone the disk
dd if=/dev/hda of=/dev/hdc
This take some time.
5) start raid
raidstart /dev/md0
raidstart /dev/md1
6) write new superblock
mke2fs -S /dev/md0
mke2fs -S /dev/md1
7) change /boot to md0
umount /boot
mount /dev/md0 /boot
8) run lilo
lilo
9) reboot and test
reboot
(when up again)
df
this should give
/dev/md1 /
/dev/md0 /boot
10) hotadd some disk
remove failed-disk from /etc/raidtab
then
raidhotadd /dev/md0 /dev/hdc1
raidhotadd /dev/md1 /dev/hdc2
This works for me.
Knud
Knud Sørensen wrote:
>
> I have a raid1 device for which fsck returns a error.
> It says that the physical size of the device is 26000k but
> that the superblock says that the size is 26066k.
>
> if I run mkraid --upgrade it tells me that
> the physical size is 26066k and that the superblock
> starts at 26000k.
>
> What should i do to make fsck successful?
>
>
>
> Knud
>
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