Problems with IDE Software RAID

Problems with IDE Software RAID

[David J Craigon]

Hi there,
	I'm trying to use md with 9 Seagate 160Gb drives and a 160 Gb partition 
on a Hitachi drive that also has the operating system on it. I'm using 
an ASUS A7V600 motherboard and two Promise Ultra-100 TX2 cards.

	I'm using the beta of Fedora Core distribution (2.4.22), and I have 
also tried the 2.6.0-test9 kernels with this distribution.
	All of the drives appear to work seperately. The drives also work in 
RAID configurations of up to 5 drives in any combinations. However using 
6 drives and up results in total system lock-up. I run mkraid and  about 
two seconds later the system irretrievebly hangs. I've tried this with 
RAID 0 and RAID 5.

Has anyone got any ideas about what is wrong? How should I go about 
debugging this?

Do you think this might be related to bugzilla bug id #956 on the 
bugzilla? http://bugzilla.kernel.org/show_bug.cgi?id=956

Hoping someone can help,

David

OT Ramblings about a bugzilla report: was Re: Problems with IDE Software RAID

[Mike Dresser]

On Wed, 5 Nov 2003, David J Craigon wrote:

> bugzilla? http://bugzilla.kernel.org/show_bug.cgi?id=956

I don't think that bugzilla report could be setup any worse.
Promise, VIA, IBM drives, and an SBLive?  Individually some of these are
dangerous enough, but combined?  I half expect to find it's all running
off a 200 watt power supply, and overclocked by 40%. :)

Ancient VIA at that.  I used to have a board with the MVP3 chipset at
home, and it locked up under load, even something as simple as writing a
fair amount of data over the network to the hard drive would lock up the
system hard.

Mike

Re: Problems with IDE Software RAID

[David J Craigon]

Continuing my previous message, I have now got my computer working with 
all 10 drives using LVM, so there is clearly nothing physically wrong 
with the equipment. I think I must have discovered a genuine md bug.

David