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07-18-2007, 10:09 PM
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#1
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Member
Registered: Jan 2006
Location: Sri Lanka
Posts: 651
Rep:
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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
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07-22-2007, 11:14 AM
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#2
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Senior Member
Registered: Oct 2004
Location: Houston, TX (usa)
Distribution: MEPIS, Debian, Knoppix,
Posts: 4,727
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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.
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07-22-2007, 03:37 PM
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#3
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LQ Newbie
Registered: Apr 2006
Posts: 5
Rep:
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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.
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07-26-2007, 12:29 PM
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#4
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Member
Registered: Jan 2006
Location: Sri Lanka
Posts: 651
Original Poster
Rep:
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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
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07-27-2007, 11:42 AM
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#5
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LQ Newbie
Registered: Apr 2006
Posts: 5
Rep:
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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?
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08-23-2007, 11:46 PM
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#6
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Member
Registered: Jan 2006
Location: Sri Lanka
Posts: 651
Original Poster
Rep:
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Ok thanks
Regards
Asanka
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09-13-2007, 04:18 AM
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#7
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Member
Registered: Jan 2006
Location: Sri Lanka
Posts: 651
Original Poster
Rep:
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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.
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09-19-2007, 04:03 AM
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#8
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Member
Registered: Jan 2006
Location: Sri Lanka
Posts: 651
Original Poster
Rep:
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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 06:35 AM.
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