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Re: Cannot install on 3ware raid



Robert Frank wrote:
-- 
I guess it was all a DREAM...  or an episode of HAWAII FIVE-O...
> 
> On 20/07/2007, at 18:42 , Ed Greshko wrote:
> 
>> Robert Frank wrote:
>>> Hi,
>>>
>>> I have a 2 x intel quad core system with 32Mbytes of ram, 2 x 80GB disks
>>> and one 250GB disk.
>>> The two 80Gb disks were originally connected to a two port 3ware raid
>>> controller (don't know the number) and are now on the same SATA
>>> controller as the 250Gb disk.
>>>
>>> From the beginning:
>>> After inserting the DVD with F7 x86_64, the 3ware raid controller was
>>> recognized and the 3w3xxxx driver was installed. The controller had been
>>> set up to use the two 80Gb disks as system disks mirrored (by hardware),
>>> so F7 saw this array as a single disk (sda).
>>> I could partition the disk (single /, single swap) and managed to get
>>> the setup to install grub on this disk
>>> Then I started the installation. The raid was formatted and then the
>>> installation went through in a blaze, so it seemed - in reality every
>>> package got a db4 error!
>>>
>>> I deleted the 2ware raid and defined two single disks, using one for a
>>> test installation. I could then actually start the installation, but at
>>> the package named 'rpm' it stopped and hung, not doing anything. I could
>>> not see any kind of error on any of the consoles!
>>>
>>> Now I am running the two 80Gb disks on the SATA controller and am using
>>> a sotware mirror for the root partition - installation fine, system is
>>> up and running!
>>>
>>> I previously had FC5 x86_64 installed using the 3ware raid controller,
>>> which worked, though it was not possible to use rpm (rebuilt the dbs
>>> many times, cleanedup, did what was available on the net) - no use, rpm
>>> always generated db errors.
>>>
>>> Now without the 3ware controller - so far no problems, evan after a yum
>>> update.
>>
>> What is your question?
>>
>  Good question -:)!
> Has anyone had similar problems or has an idea as to where to start
> investigations?
> The vendor has mentioned a BIOS setting IOMMU, which can be changed.
> I always thought the 3ware controllers were no problems under linux!

I've installed, and am running RHELv4 with 2 9550SX SATA-RAID controllers.
Prior to that, I was running on an 8000 series controller without problem
but was only using JBOD.

However, since I paid for the hardware capabilities of the 9550SX I am using
their RAID utilities and not using software RAID.  And, in case someone
asks, I am running with battery backup on my controllers.


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