cat /dev/mdstat does not work
this works:
[root@wb boot]# cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 hdc2[1] hda2[0]
6289344 blocks [2/2] [UU]
md2 : active raid1 hdc3[1] hda3[0]
1052160 blocks [2/2] [UU]
md3 : active raid1 hdc5[1] hda5[0]
191695488 blocks [2/2] [UU]
md0 : active raid1 hdc1[1] hda1[0]
104320 blocks [2/2] [UU]
unused devices: <none>
cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
/dev/md1 / ext3 defaults 1 1
/dev/md0 /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /dev/shm tmpfs defaults 0 0
/dev/md3 /home ext3
defaults,usrquota,grpquota 1 2
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
/dev/md2 swap swap defaults 0 0
/dev/hdd /media/cdrom auto
pamconsole,exec,noauto,managed 0 0
Rickard Osser schreef:
> Hi Dennis,
>
> can you do the following:
>
> # cat /dev/mdstat
> and
> # cat /etc/fstab
>
> and post the results.
>
> Thanks in advance,
>
> Rickard
>
>
> On Fri, 2008-09-12 at 16:19 +0200, Dennis wrote:
>
>> In the past I encountered similar issues as Taco and the solution for me
>> was same as Taco is describing
>>
>> now found your script (I had holiday, so I skipped a lot of messages)
>> and tried it
>>
>> I can start the script .. and when stopping it .. i get errors ..
>>
>> [root (at mark) wb tmp]# ./fix_grub stop
>> Rebuilding grub:
>> Probing devices to guess BIOS drives. This may take a long time.
>>
>>
>> GNU GRUB version 0.95 (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 (hd0,0)
>> Filesystem type is ext2fs, partition type 0xfd
>> grub> setup (hd0)
>> Checking if "/boot/grub/stage1" exists... no
>> Checking if "/grub/stage1" exists... no
>>
>> Error 15: File not found
>> grub> root (hd1,0)
>> Filesystem type is ext2fs, partition type 0xfd
>> grub> setup (hd1)
>> Checking if "/boot/grub/stage1" exists... no
>> Checking if "/grub/stage1" exists... no
>>
>> Error 15: File not found
>> grub> quit
>>
>> where:
>> boot gives me
>> [root@wb boot]# ls -l
>> total 2728
>> -rw-r--r-- 1 root root 512 Sep 18 2005 boot.0300
>> -rw-r--r-- 1 root root 512 Sep 18 2005 boot.1600
>> -rw-r--r-- 1 root root 5824 Feb 21 2005 boot.b
>> -rw-r--r-- 1 root root 612 Feb 21 2005 chain.b
>> -rw-r--r-- 1 root root 48513 Jan 17 2006 config-2.6.9-22.0.2.EL
>> drwxr-xr-x 2 root root 1024 Jun 19 2007 grub
>> -rw-r--r-- 1 root root 405320 Jan 23 2006 initrd-2.6.9-22.0.2.EL.img
>> drwx------ 2 root root 12288 Sep 18 2005 lost+found
>> -rw------- 1 root root 23040 Jun 30 19:31 map.0301
>> -rw------- 1 root root 43520 Sep 28 2006 map.1601
>> -rw-r--r-- 1 root root 9371 Aug 13 2006 message
>> -rw-r--r-- 1 root root 9371 Aug 13 2006 message.ja
>> -rw-r--r-- 1 root root 640 Feb 21 2005 os2_d.b
>> -rw-r--r-- 1 root root 731295 Jan 17 2006 System.map-2.6.9-22.0.2.EL
>> -rw-r--r-- 1 root root 1469597 Jan 17 2006 vmlinuz-2.6.9-22.0.2.EL
>>
>> and grub
>> [root@wb boot]# cd grub/
>> [root@wb grub]# ls -l
>> total 8
>> -rw-r--r-- 1 root root 82 Sep 18 2005 device.map
>> -rw------- 1 root root 566 Jun 19 2007 grub.conf
>> lrwxrwxrwx 1 root root 11 Sep 18 2005 menu.lst -> ./grub.conf
>> -rw-r--r-- 1 root root 3605 Aug 13 2006 splash.xpm.gz
>>
>> Maybe it's helpful ..
>>
>> Rickard Osser schreef:
>>
>>> Hi Taco,
>>>
>>> do you use software raid on that machine?
>>> If so I've created a script that rewrites the grub correctly on every
>>> shutdown that I posted on the list about a month ago.
>>>
>>> The problem is that mkinitrd and grub on centos4/rhel4 doesn't really
>>> support /boot running with raid1. This means problems everytime there is
>>> a kernel upgrade. I think it's fixed on centos5/rhel5.
>>>
>>> Hisao said he would incorporate the script in and update.
>>>
>>> Best regards,
>>>
>>> Rickard
>>>
>>> On Fri, 2008-09-12 at 15:53 +0200, Taco Scargo wrote:
>>>
>>>
>>>> Hello,
>>>>
>>>> Recently one of my many BQ machines did not startup after a reboot (when a
>>>> new kernel was installed).
>>>>
>>>> After investigation it seemed as if Grub was not started.
>>>>
>>>> I booted up with the Nuonce CD in rescue mode and reinstalled grub again.
>>>> After the reboot, now grub started, but in the grub command prompt mode.
>>>> When issuing the "configfile /grub/grub.conf" command, the config was loaded
>>>> and the boot was succesfull.
>>>>
>>>> When rebooting again, grub did not start anymore.
>>>> Lilo is not installed, so that is not the problem.
>>>> I have never had this kind of problem, and I have tried a lot to fix this.
>>>>
>>>> If someone ever had a similar problem and was able to fix it, please let me
>>>> know.
>>>>
>>>> Regards,
>>>>
>>>> Taco
>>>>
>>>>
>>>>
>>>
>>>
>
>
>