Re: Installing Debian on a RAIDed partition
Yes. You cannot boot to a raid partition. One, lilo cant read a RAID
partition, and the 'raid' drivers havent been loaded yet. You will either
need to have the / or more specifically /boot be on a NON raid partition
(ie. floppy) or compile special tools to boot raid partitions. Someone has
developed info on that, but the address escapes me now, search the web and
it should turn up.
The RAID howto|mini howto should be of assistance.
On Tue, 9 May 2000, Sanjeev "Ghane" Gupta wrote:
>Robert/Gregory,
>
>Thank you for the info. However, we are doing the RAID not because we very
>critical data, but to keep my team doing something interesting. I have told
>one guy to write a 2-pager on RAID, another to do S/W RAID on NT, and 2
>others on Linux (RH & Debian).
>
>The Linux guy has a problem. RedHat (I dont have a Debian Installation
>disk, so RH first) doesn't like to install on /dev/md0.
>
>And loading on a partition, making a RAID-1, and copying it over, leaves
>LILO confused. In particular, it barfs on
> root=/dev/md0
>with an inability to understand device 900 error. The LILO is 0.41.
>
>Any clues?
>
>----- Original Message -----
>From: Gregory Wood <gwood@farsweb.com>
>To: Debian-ISP <debian-isp@lists.debian.org>
>Sent: Tuesday, May 09, 2000 3:06 AM
>Subject: RE: Installing Debian on a RAIDed partition
>
>
>Ghane,
>
>I agree with Robert. I would use hardware. However, if all you are doing is
>mirroring then you should be able to load Linux, then duplicate your drive
>to the second drive through the RAID software. Sadly, it is a toy that I
>haven't had time to play with.
>
>Gregory Wood
>
>
>*********** REPLY SEPARATOR ***********
>
>On 5/8/00 at 10:17 AM Robert H. Clugston wrote:
>
>>Ghane,
>> I suggest using a Hardware RAID. I use ARCOIDE raid 1 controller
>>(www.arcoide.com) on a couple of my machines. It's really easy to use and
>>it's fast. In fact when I started using this product my hard drive usage
>>actually visibly lowered (don't ask me why.) They are supposed to be a
>>couple ATA-66 controllers on the market that are actually FASTER than UW
>>SCSI drives, but I have yet to find one.
>>
>> At all cost avoid promise controllers. I was using one of these in a NT
>>machine and it corrupted data without warning for 2 weeks. During those two
>>weeks my backups also contained corrupted data (monthly, weekly, and
>daily.)
>>When the system finally crashed from data corruption I was left without a
>>backup. Luckily I was able to restore most of the data using my keen skills
>>:)
>>
>> I'm also using RAID controllers from cru (www.cruinc.com), and Adaptec. I
>>like the Arco controllers the best.
>>
>>
>>-----Original Message-----
>>From: Sanjeev "Ghane" Gupta [mailto:ghane@iname.com]
>>Sent: Sunday, May 07, 2000 8:11 PM
>>To: debian-isp@lists.debian.org
>>Subject: Installing Debain on a RAIDed partition
>>
>>
>>Folks,
>>
>>I would like to install my / partition on a mirrored (RAID 1) partition. I
>>know how to do RAID _after_ an install, for user data, but at install time?
>>
>>Any pointers?
>>
>>Thanks
>>
>>
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