[CentOS] boot problem after disk change on raid1

[Bünyamin İzzet]

The system works just fine now. I think there was a disk check or something
at boot time which takes 15-20 minutes (I rarely reboot the system once or
twice a year), and it made me think that the system does not boot.

Thanks for your help.

Bunyamin.

2011/9/8 Bünyamin İzzet <bunyamin.izzet at gmail.com>

>
>
> On Thu, Sep 8, 2011 at 8:11 AM, Devin Reade <gdr at gno.org> wrote:
>
>> Bünyamin Ýzzet <bunyamin.izzet at gmail.com> wrote:
>>
>> > On Wed, Sep 7, 2011 at 11:38 PM, Devin Reade <gdr at gno.org> wrote:
>> >
>> [snip]
>> >>                        # grub
>> >>                        grub> device (hd0) /dev/sdb
>> >>                        grub> root (hd0,0)
>> >>                        grub> setup (hd0)
>> >>                        grub> quit
>> >
>> > It still does not boot. I could not see the error message, because it is
>> a
>> > dedicated server and I am not sitting at the monitor of the server. So I
>> > type the lines in grub.conf manually to see the error (I'm not sure if
>> it is
>> > the right thing to see the error).
>>
>> If you mean that you typed the lines I gave above into grub.conf, then
>> that was not what was intended (and I doubt that it would work).  My
>> intent was that you get the system booted and running normally (perhaps
>> via the rescue disk), and after that execute 'grub' interactively
>> and issue those commands.
>>
>>  Devin
>>
>
> As you said, I booted the system via rescue disk, and execute grub and
> issue those commands. Then, I reboot the system, but it does not boot.
>
> Then I searched on google about logging grub errors, which I could not find
> anything useful (meybe I did not look enough). So that, in rescue system, I
> execute grub and type commands in grub.conf (results are below) to see which
> error occurs.
>
>
>
> # grub
> Probing devices to guess BIOS drives. This may take a long time.
>
>
> GNU GRUB version 0.97 (640K lower / 3072K upper memory)
>
> [ Minimal BASH-like line editing is supported. For the first word, TAB
> lists possible command completions. Anywhere else TAB lists the possible
> completions of a device/filename.]
> grub> root (hd1,0)
> root (hd1,0)
> Filesystem type is ext2fs, partition type 0xfd
> grub> kernel /vmlinuz-2.6.18-238.19.1.el5 ro root=/dev/md1 vga=0x317
>
> kernel /vmlinuz-2.6.18-238.19.1.el5 ro root=/dev/md1 vga=0x317
> [Linux-bzImage, setup=0x1e00, size=0x1fe01c]
> grub> initrd /initrd-2.6.18-238.19.1.el5.img
>
> initrd /initrd-2.6.18-238.19.1.el5.img
>
> Error 28: Selected item cannot fit into memory
> grub> quit
> quit
>
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