Tag: SCSI

Understanding SCSI

  • Small computer systems interface.
  • Upto 16 devices can be daisy chained.
  • Fast SCSI, Ultra SCSI, Ultra Wide SCSI, Ultra2 SCSI,Ultra3 SCSI, Ultra-320 SCSI, Ultra-640 SCSI, iSCSI.
  • Narrow bus(8 devices) vs Wide Bus (16 devices).
  • Requires end device termination.
  • Each SCSI device in a single bus contains unique SCSI ID.
  • Logical Unit Number(LUN) assigned to seperate drives under a storage array.