Yes, a hard drive has failed.  A rebuild should begin automatically upon inserting the new drive. If you replace the 250's with 500's, you will not be able to use the additional space using a SAS 6 controller, so there is no use in getting larger ones, unless the customer want to migrate to new disks any way. SAS drives are more expensive than SATA drives because they are much more robust and designed for much faster data access.  If you have SATA drives currently, then you cannot replace them with SAS, unless you plan to backup/restore, as SAS and SATA cannot be mixed in an array.  SAS, by specification, will also take SATA drives.  The SAS 6/iR is a 3Gbps controller, so even though all SATA revisions will work, SATA III speeds will not be supported.
A customer of mine contacted me today and said his server came up with about 100 errors during boot up into windows. I went over there and discovered this: [IMAGE] It looks like some kind of problem with the RAID controller or the hard drives. It has the RAID 1 and two Seagate 250 GB drives. Any idea? The machine is out of warranty. I don't want to waste a bunch of money buying parts that I don't need. He said he wouldn't mind replacing one or both of the drives if needed, maybe with bigger capacity? What's this error and what are my options? He can't loose his data because he has financial backups and other important info on there.
Dell PowerEdge T100 RAID Error?