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Old 02-20-2007, 04:00 PM   #1
Endeavour
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Hardware RAID1 ON HP PROLIANT ML110 G4?


Hi guys, after a few days of problems I will try to find my luck here with you..

well, I have a Hp Proliant ML110 G4 Server with 2 x 500GB SATA discs (same) where I want to install Centos 4.x

Installation is not a problem if I install straight without and RAID, and also software RAID is working but.. I want Hardware RAID..

I have also a USB floppy to load drivers with..

I have tried with many different distributions, Centos 4.2 and 4.4(32-bit and 64-bit)
Red Hat Linux Enterprise and SUSE, all with the same result.

I have tried different drivers for the SATA RAID, written to a floppy with rawwrite.
Both from HP website and from the cd that came with the machine.

And it looks good until I have to choose the disks where I want to install, it shows 2 disks
sda and sdb... It should show just 1 disk when I have created the array (RAID1 - mirroring)

I have tried to choose one of the disks and also both disks but then when it is installed and the reboot the system halts with a blinking cursor up in the left corner, the system won't start..

Why I want to make hardware RAID work is because if one hdd should crash I would like to replace the disk and reboot the system without errors... If I use software raid1 I cannot mirror the /boot, or??

Are there any experts in this area that can help me install the RAID1 on a HP proliant ml110 G4?

Or is it just not possible to install the hardware RAID1??

Please help....
Thnks!

Tommy
 
Old 02-20-2007, 05:42 PM   #2
Tinkster
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Hi, welcome to LQ!

A quick search here brought this (I think) very valuable link regarding
your question. http://linux-ata.org/faq-sata-raid.html

Read it, find out what hardware is actually in the box, and come back
and ask again if the FAQ didn't answer your question.



Cheers,
Tink
 
Old 02-20-2007, 06:07 PM   #3
Quakeboy02
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Read Tinkster's link. If you still think you have a hardware RAID controller, post the make and model of the controller and maybe someone can help.
 
Old 02-20-2007, 06:21 PM   #4
Emerson
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Quote:
Originally Posted by Quakeboy02
Read Tinkster's link. If you still think you have a hardware RAID controller, post the make and model of the controller and maybe someone can help.
Can't be. No OS can see separate disks through hardware RAID.
 
Old 02-20-2007, 06:25 PM   #5
Quakeboy02
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"Can't be. No OS can see separate disks through hardware RAID."

I was trying to be kind.
 
Old 02-20-2007, 06:37 PM   #6
Emerson
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Yeah, I know.
 
Old 02-21-2007, 01:41 AM   #7
Endeavour
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Hi again..

I've been looking around and the only thing I can come up with is following Controller:

Embedded 4 Disk SATA controller with SATA RAID 0/1 (from HP website)

Any help??
 
Old 02-21-2007, 02:21 AM   #8
Tinkster
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Not to me. Insert a Linux live CD and run lspci.


Cheers,
Tink
 
Old 02-21-2007, 05:44 AM   #9
Endeavour
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Hey again.. well I've looking around and as far as I can see it it a "fake-raid" so I
did the software RAID1 and made RAID1 on SWAP , /boot and the rest of the harddrive, I thnink that will work okay for me also.. I hope...

Next time when I buy a server I will have to check a little bit more =)

But thanks to all of you! Really!
 
  


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