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Old 07-18-2007, 11:09 PM   #1
procfs
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redhat mhows GRUB at the boot tine (SATA rail1+0)


Hi

I need some argent help, I have a HP ML150 and a on board SATA Raid controller, Redhat AS4 update 4

I have created a raid 1+0, and was able to install RedHat AS4. The installation went ok, but when I rebooted the machine it flashes GRUB at the left hand upper corner and does not boot.

While installation I have selected all the defaults.

Can come one tell me how to fix this

Regards

Asanka
 
Old 07-22-2007, 12:14 PM   #2
archtoad6
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What do you mean by:
"redhat mhows GRUB at the boot tine (SATA rail1+0)"

I can guess that
"tine" ==> "time"
&
"rail1+0" ==> "RAID1+0"
but WTH is "mhows"?

You really should proof read & spell check the title as well as the body of your posts.
 
Old 07-22-2007, 04:37 PM   #3
largem
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I believe "mhows" is "shows"

If grub was shown on the left top corner of the screen and stop to boot, that means grub can not load its stage2 or stage1.5 to continue booting. Maybe you could reboot your machine using the installation CD and enter the rescue mode to reinstall grub again.
 
Old 07-26-2007, 01:29 PM   #4
procfs
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Hi largem

yes I did do that but it did not help, disabled the sata raid controller and installed the system as just using sata. the it comes up ok.

I think it some thing to do with the raid controller it seems he cant find the root partition

Regards

Asanka
 
Old 07-27-2007, 12:42 PM   #5
largem
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Try to upgrade your grub to see if help.

Another way, because grub try to load stage2, maybe you could set your boot partition out of the raid, could it be sitting on a normal partition?
 
Old 08-24-2007, 12:46 AM   #6
procfs
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Ok thanks

Regards

Asanka
 
Old 09-13-2007, 05:18 AM   #7
procfs
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Hi I have installed RedHat EL5 and it recognize the SATA RAID drives, but if I add a new disks and create additional mirror id does not show up on the OS

How do I map them to a device file all I see in /dev/mapper a control file and device files relating to existing read drive.
 
Old 09-19-2007, 05:03 AM   #8
procfs
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Hi

I was able to read the SATA (BIOS) activate and create, read and write to partitions by using “dmraid –ay –v and fdisk etc”. This is not permenant at the next boot I have to re do the samething again.

Now my problem is how to mount.

I can write a small script and put that in to rc.local and get the partitions activated and mounted after the system boots up. If to do this I have to mount the filesystems through a script rather than the fstab file.

I want to use fstab file and get the filesystems mounted as the system boots up as an ordinary volume sda1 or hda1 do.

Can someone point me in the right direction?

Regards

Asanka

Last edited by procfs; 09-20-2007 at 07:35 AM.
 
  


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