Frequently Asked Questions
      

Controller
   arrowWhat does the error message "SCSI timeout" mean?
   arrowWhat is the difference between initialization and formatting on my RAID controller?
   arrowWhat is indicated by the SCSI error message: "Device not ready/Send Unit start command failed"?

Drives
   arrowWhat is the difference between 68-pin and 80-pin SCSI drives and what kind does my server support?

General
   arrowShould I attach my SCSI tape drive or CD-ROM drive to the same cable as my hard drive?
   arrowWhen installing the operating system, it only sees a small portion of the drive capacity?
   arrowWhat are the SCSI cable/bus length limitations?
   arrowWhat does the verify media option do in the SCSI BIOS utility?
   arrowCan or should I mix different speed drives (RPMs) in the same hardware raid array? Are there disadvantages to this?
   arrowWhat is JBOD?
   arrowCan I use different capacity drives in the same RAID array?

Hard Drive
   arrowWhy might the rebuilding of a RAID drive fail?
   arrowWhat are the advantages of faster RPMs in regard to hard drives?
   arrowNot all of my drive space is recognized. Where is the rest?
   arrowDoes Gateway recommend any particular companies for data recovery on failed hard drives?
   arrowCan I use drives of different SCSI technologies (U320, U160, U2, Fast) in the same RAID array?
   arrowHow do you clear media errors on a RAID array's hard drive?
   arrowA disk in my hardware RAID array has failed. What should I do now?
   arrowWhere can I locate information about the jumper configuration for my hard drive?
   arrowCan I cluster the internal hard drives in my server?
   arrowCan I change the SCSI IDs on my hard drive?
   arrowHow can I tell what firmware revision my hard disk is currently using?

RAID
   arrowCan I configure one of my RAID drives as a normal drive (not in an array)?
   arrowCan I swap out all the drives in my RAID 5 array without reloading my operating system?
   arrowOne of my RAID HDDs failed. Should I remove it from the computer or leave it installed until it is replaced?
   arrowCan I add additional hard disks to my hardware RAID array?

TBU
   arrowWhen should I use term power on my SCSI devices?

Technical
   arrowWhy does only one hard disk drive show up when several are configured in a RAID array?
   arrowWhat basic troubleshooting steps can be taken if the server's SCSI hard drive is not detected or recognized?

Terminology
   arrowWhat is SCA-2?