[nmglug] raid1 kernel crash

js at jasonschaefer.com js at jasonschaefer.com
Fri Sep 30 16:44:34 PDT 2005


Jason

I am building an initrd with modules, so I don't have to compile raid
support into my kernel or compile a kernel at all.

Jason


Jason Davis wrote:

>On Fri, 2005-09-30 at 13:39 -0600, js at jasonschaefer.com wrote:
>  
>
>>Hello
>>
>>I am at my ends wit! I am trying to setup a software raid1 on my entire
>>system, including boot and root.
>>
>>I keep getting a kernel panic
>>
>>pivot_root: No such file for directory
>>/sbin/init: 432: cannot open dev/console no such file
>>kernel panic: attempted to kill init!
>>
>>setup partitions on hdb to match hda, marked type fd (raid autodetect)
>>
>>mdadm --create /dev/md0 --raid-devices=2 --level=1 missing /dev/hdb2,3,4
>>etc.
>>
>>I then mkfs.ext3 /dev/md0,2,3 etc. and copied files from hda to
>>appropriate mda.
>>
>>Modified grub: root (hd0,1) and root=/dev/md0 md=0,/dev/hda2,/dev/hdb2
>>
>>changed /etc/fstab to be md instead of hd.
>>
>>I have setup /etc/mkinitrd/modules with various modules I think I may
>>need (not too sure what exactly I need)
>>
>>sis
>>sis5513
>>ide-core
>>ide-generic
>>ide-disk
>>md
>>raid1
>>
>>I rebuilt initrd with mkinitrd -o /boot/initrd.....
>>
>>Let me know if you see any fault with my method.
>>
>>-Jason
>>
>>
>>    
>>
>
>
>if support is not built into your kernel to mount raid and to deal with
>ext3  , and you are raiding / .... well the kernel cant load drivers
>to work with the filesystem. So , make an initrd img or compile in
>support (not modules).
>
>good luck,
>jd
>
>
>
>  
>
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>>
>
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