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  1. Home
  2. Veritas NetBackup™ Device Configuration Guide
  3. Introducing device configuration
  4. General device configuration sequence
  5. Configuration cautions
Veritas NetBackup™ Device Configuration Guide

Configuration cautions

Observe the following cautions:

  • In multiple-initiator (multiple host bus adapter) environments, NetBackup uses SCSI reservation to avoid tape drive usage conflicts and possible data loss problems. SCSI reservation operates at the SCSI target level; the hardware that bridges Fibre Channel to SCSI must work correctly.

    By default, NetBackup uses SPC-2 SCSI reserve and release. Alternatively, you can use SCSI persistent reserve or disable SCSI reservation entirely.

    For information about the NetBackup use of SCSI reservation, see the following:

    • "Enable SCSI reserve" in the NetBackup Administrator's Guide, Volume I.

    • "How NetBackup reserves drives" in the NetBackup Administrator's Guide, Volume II.

  • Veritas does not recommend or support the use of single-ended to differential SCSI converters on NetBackup controlled devices. You may encounter problems if you use these converters.

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