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Upgrading the RAID on a Dell Server. . .

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7 replies

by aspiring_one

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I've successfully added another hard drive to the RAID array on my NT 4.0 Server, but I don't understand why the operating system is not reporting the change in the disk size.

It still says the same thing as if there was no new storage space was added.

Does anyone know why NT does this?

7 replies

by mrochr

What Raid Configuration are you using???.Hardware or Software RAID????..Also did you Initialize the drive via the RAID controller BIOS...Also did you add it to the Strip set (if you are running it)...The Raid controller BIOS is probably the culprit...IF your not using a Software Raid..

Rick
CBH NET Admin
MCSE

by jvincent

You should go into Dell's RAID Console tools and initialize the drive (if you're using Dell's PERC hardware RAID). RAID levels are set in this program as well...but be careful...sometimes the program will default the drive to the wrong RAID level!Backup your data first! Then the "new" drive will be seen in WinNT Disk Admin.

by bill.parks

If I understand this post correctly, you didn't "expand" the current RAID set but simply added a drive to the RAID set. Check first to make sure its not a hot spare. Secondly, make sure you expanded the set. The only other way to make this work is like the replies above, add the drive and re-initialize all the drives to complete a new RAID set. This, of course, wil destroy your data. I would try the "expand" function again. Dell PERC RAID do allow this, consult your documentation as it differs in some models.

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