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Old 03-25-2013, 06:47 PM   #1
f2photo
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Installation error 6.4 "Unable to read from repositories"


I am trying to install RHEL 6.4 on a Dell 6950 with a PERC 5/i controller using the binary DVD. No matter what I try after partitioning the disks I get:

"Unable to red group information from repositories. This is a problem with the generation of your install tree."

I have burnt several copies of the installation DVD, replete with checksums and the installer check that the DVD is good for installation. I have tried every form of installation I can try with the disks. This system had RHEL 5.8 running on it just fine. Never a problem with it in any way.

I have opened a support ticket with Red hat for all the good that will do me. I have Googled this to try to find others having this same issue, but nothing like the issue I am having.

Any help here would be appreciated. Thank you

Last edited by f2photo; 03-25-2013 at 06:50 PM. Reason: Addtional info
 
Old 03-25-2013, 07:05 PM   #2
Emerson
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This PERC 5/i controller can be purchased for $55. Looking at the price it's clear it is not a hardware RAID controller. OTOH, it seems to be an add-on card. If it is integrated just turn off RAID. If it is add-on toss it.

http://skrypuch.com/raid/
 
Old 03-25-2013, 07:18 PM   #3
f2photo
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The PERC 5/i is actually a hardware RAID controller. Just a few years old now is all.
 
Old 03-25-2013, 07:23 PM   #4
Emerson
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Do not know about that, the simple test is if you can see your RAID drives as separate drives then it is a fakeraid. If all your drives are presented to the OS as a single drive then it is a hardware RAID.
 
Old 03-25-2013, 07:27 PM   #5
f2photo
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Your answer is incorrect because the presentment of the drives would be dependent on the RAID level chosen. With the PERC 5 you have the choice of 0, 1, 5, 10 or 50 which would make the number of drives you see different designations dependent on the number of drives and variable choices one could make. But this shows me the level of the people here.
 
Old 03-25-2013, 07:32 PM   #6
Emerson
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You are welcome.
 
Old 03-25-2013, 07:40 PM   #7
oldscratch
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PERC 5/i is most certainly a hardware RAID controller. Its possible that you don't have any arrays configured.

When you boot the box, watch carefully with your hands on the keyboard. You should see a banner come up for the RAID controller, and the option to hit ctrl-R to configure the controller.

Hit ctrl-R at that point, and make sure you've configured a virtual disk array in the controller. MIT has a Dell PERC 5/i manual available online: http://stuff.mit.edu/afs/athena/dept...i_5e/index.htm
 
Old 03-25-2013, 07:44 PM   #8
f2photo
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I have had RHEL 5.8 running on this box just fine. The controller is configured correctly. I have noticed in a lot of the Google posts there are certain issues with things like this. But I assure you the controller is fine as are the drives. I am hoping to find whatever the difference between the 5.8 and the 6.4 may be. One thing I do note is that 5.8 asks me for the installation number which registers right away and the 6.4 does not. Dont know where 6.4 does that in the installation and I dont know that this is the issue...

Last edited by f2photo; 03-25-2013 at 07:48 PM.
 
Old 03-26-2013, 07:15 AM   #9
oldscratch
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Quote:
I have had RHEL 5.8 running on this box just fine.
Sorry, guess I missed that part. I got distracted by the weird ideas about how to tell if you were looking at hardware vs. software RAID.

Might want to look at upgrading the firmware on the controller before your install. I run a lot of Dell gear, and have not run into this problem, but I don't know that I've ever installed 6.4 with PERC 5. You may also need to load an extra driver at the beginning of the installation.

Alternatively, maybe installing 5.8 and then doing a release upgrade in place might work out for you, too.
 
Old 03-26-2013, 07:21 AM   #10
f2photo
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Thank you for the idea on the firmware. I will check that one.
 
Old 03-28-2013, 03:56 AM   #11
chrism01
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For something like this, opening a ticket with RH was good idea. you could/should also ask DELL; its their kit.
 
  


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