I replaced the disks and everything is fine now. Thanks.
I have a CX4-120 that recently had three disks fail. I ran Unisphere Service Manager and it told me that one disk was eligible to be replaced but the other two were not and to contact my service provider. I went ahead and replaced the one disk that USM suggested replacing. I reseated one of the other failed disks but it still shows that it is removed. Here is the info that it gives me about the other two disks:  Multiple faulted disk drives were found in the RAID group(s). The wizard only allows replacement of faulted disk drives if they satisfy any of the following conditions:   RAID 1, 1/0, 3, 5: only 1 faulted disk drive per RAID group in the system.    RAID 6: only 2 faulted disk drives per RAID group in the system.  Bus 0 Enclosure 4 Disk 8: Removed Bus 0 Enclosure 4 Disk 3: Removed  I don't have support through EMC so I am not sure what to do at this point. I do have two replacement disks.
CX4-120 Multiple Faulted Drives