[CentOS] URGENT: Problems with Dell raid on CentOS 4?

Jonathan

j at firebright.com
Sat May 7 21:24:24 UTC 2005


This is ideal.  I'll definitely start using this.

Thanks Peter.

Jonathan

Peter Farrow wrote:

> What I would do is this:
>
> used G4U to clone the other machine if it is identical,
>
> http://www.feyrer.de/g4u/
>
> G4U works very well, and boots Free/NetBSD, it boots from CDROM, and 
> backs up to an FTP server which you will have because you have the 
> other machines.
>
> Then G4U boot the new machine and slurp the image back down....
>
> This may work, its slow to create the images and needs a lot of disk 
> space on the ftp server, but slurping the data back is fast....
>
> This would give you an image of the install which you can use for DR 
> as well...
>
> P.
>
>
> Jonathan wrote:
>
>> No, in fact I didn't.  Odd.  I did have to pass a crapload of bootup 
>> commands (noscsi among them), but I have no record of what I used...
>>
>> Thanks fer the help...
>>
>> Jonathan
>>
>> Peter Farrow wrote:
>>
>>> But.... did you use software RAID on the other identical machine you 
>>> installed with the older disk?
>>>
>>> P.
>>>
>>>
>>> Nikos Zaharioudakis wrote:
>>>
>>>> Unfortunately the "Raid controller " that the hardware  says that
>>>> comes with, uses a software driver in order to perform the raid
>>>> functions. So to make the long story short just use the OS soft raid
>>>> functionality
>>>>
>>>> Have fun.
>>>> Good day
>>>>
>>>> Nikos
>>>>
>>>> On 5/7/05, Jonathan <j at firebright.com> wrote:
>>>>  
>>>>
>>>>> List:
>>>>>
>>>>> Good morning.  I'm hoping someone is still up who can lend me an ear.
>>>>> I'm sitting on the floor of Mae West surrounded by disassembled 
>>>>> servers,
>>>>> frustrated out of my mind.  Same as last weekend. ;-)
>>>>>
>>>>> Actually, I'm having a weird issue.  I have a Dell 420SC in front of
>>>>> me.  It's a fine machine, brand new.  p4 2.8 800Mhz bus, 1GB DDR2
>>>>> (2x512) and dual 80GB drives.  I've used the onboard raid to build a
>>>>> raid-0+1 (mirror) raid array.  The problem is, it's telling me as 
>>>>> soon
>>>>> as I load up the setup for CentOS 4 that no drives are available and
>>>>> that I should load up some.
>>>>>
>>>>> Odd.
>>>>>
>>>>> I have three machines running CentOS 4 over here with the identical
>>>>> specs, and identical settings.  One even has the exact same
>>>>> configuration, including raid setup, and it's running happily.  
>>>>> But it
>>>>> was installed from and older CentOS 4 disk (got scratched).  I've got
>>>>> about 12 more to do tonight.  How is it possible that the same 
>>>>> machine
>>>>> with concurrent serial numbers won't load RAID?  Is there some trick?
>>>>>
>>>>> I'm really at a loss on this one.  I'm on the 14th floor.  Now if I
>>>>> could get one of these windows to open, I think I have a very easy
>>>>> solution...
>>>>>
>>>>> Anyone have any experience with this?  Is there some trick to getting
>>>>> these 420SC's to load CentOS?
>>>>>
>>>>> Thanks in advance.
>>>>>
>>>>> Jonathan
>>>>> _______________________________________________
>>>>> CentOS mailing list
>>>>> CentOS at centos.org
>>>>> http://lists.centos.org/mailman/listinfo/centos
>>>>>
>>>>>   
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>  
>>>>
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