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Dell PowerEdge 2600 PERC 4/Di RAID Issue

Posted on 2013-05-30
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Last Modified: 2016-11-23
I have a Dell PowerEdge 2600 server with a PERC 4/Di RAID controller. I shut it down this morning to add RAM to the system and when I restarted the server I received the following error:

"Unresolved configuration mismatch between disk (s) and NVRAM on the adapter.
1 Logical Drive handled by BIOS
Press <Ctrl><M> to run configuration utility or any other key to continue"

I'm not sure what to do? The server was running fine when I shut it down with no drive errors of any kind. I don't want to lose the information on the drive..... HELP!
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Question by:tonkyman
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by:dipersp
ID: 39207637
Basically what that error message is telling you is the configuration on the RAID controller and on the disks doesn't match.  That's not a good error to get, but hopefully not the end of the world.  I haven't used Dell for arrays in a long time (Long history of issues), but if memory serves, when you go into the array config utility (Control-M), you'll be asked or prompted to use the config either on the disks or on the controller.

If the server is still under warranty (I'm assuming not for a 2600), the first thing I'd do is get a call into Dell to get their opinion.  

Not sure if when you go into the utility if you can pick one config, view the settings, then exit without saving and choose the other.  More than likely, you'll want to pick the config that was on the array controller.  If there was an issue with a drive starting to fail, that could by why you received this message and you wouldn't want to pick the config from the disk.
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by:tonkyman
ID: 39207674
If I press continue will it go ahead an boot up so I can get my users working while trying to find a solution? I'd also like to get a better backup before I chance killing the drives.
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Author Comment

by:tonkyman
ID: 39208128
Ok! I pressed any key for it to continue and it started normally. When I went into Server Administrator it showed the RAID as degraded and when I opened the RAID it said a hard drive had failed. I have all green lights on my drives and no indication that a drive had failed. I replaced the drive and added a hot spare while I was at it. I have not rebooted to see if I still have the configuration mismatch. I'll try to reboot after the rebuild finishes on the replacement drive.
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tonkyman earned 0 total points
ID: 39208849
I rebooted the server after the rebuild and the configuration mismatch error message is gone so I guess the crisis has been averted.
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Author Closing Comment

by:tonkyman
ID: 39218408
I never received a solution to this question but I did resolve the issue.
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