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.
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    Yogi

    17 years of experience in various layers of software. Primarily experienced in system side software design and development on server management software. Interested in linux development in x86 and arm architecture.