  Problems swapping SCSI disk? 
 The Question is:
 
alpha server 4100,system says drive offline after I swab a hard drive,same size
 drive. i can install the original back in and the drive is recognize
 
 
 The Answer is:
 
  Please contact your hardware service organization, as information
  on the particular SCSI drive and any revelent SCSI or drive errors
  will be required.  Please note that hot-plugging SCSI devices can
  lead to SCSI errors and to various data corruptions.
 
  If this is a third-party SCSI disk device, please see topic 4467
  here in Ask The Wizard, among various other discssions.
 
