E450 disk installation - format does not see disk

We have an E450 with three disk controllers.
One with four drives and two RAID controllers with eight drives. Both RAID controllers are RAID5.
The four drive controller has two 9GB drives.
One RAID controller has eight 9GB drives.
The other RAID controller has eight 18GB drives.
We have three failed 18GB drives and are trying to install new drives, but the system does not see them.
We cannot get the system to recognize the new 18GB drives, even when we put them into the two open slots on the four-drive controller.
Probe-SCSI sees the new drives, but format does not.

Hi cnhllc..
I was wondering what steps you took to resolve this issue?
We put in 8 hard disks and the Solaris OS (format command) recognizes only 6 hard disks. All 8 hard disks are seen when we issue probe-scsi-all, but only 6 are seen using format command. We are running Veritas VM & Cluster Server 3.5.
Any advice will be greatly greatly appreciated.
Thanks in advance.
doreen

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Message was edited by:
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