Veritas NetBackup™ Device Configuration Guide
- Introducing device configuration
- Section I. Operating systems
- About configuring tape drive device files in AIX
- Creating AIX no rewind device files for tape drives
- About device drivers and files for HP-UX persistent DSFs
- About configuring persistent DSFs
- About HP-UX legacy device drivers and files
- About configuring legacy device files
- Creating legacy SCSI and FCP robotic controls on HP-UX
- About the required Linux SCSI drivers
- About configuring robot and drive control for Linux
- Installing/reinstalling the sg and the st drivers
- About Solaris robotic controls
- About Solaris tape drive device files
- Configuring Solaris SAN clients to recognize FT media servers
- Section II. Robotic storage devices
- Robot overview
- Oracle StorageTek ACSLS robots
- About removing tapes from ACS robots
- Robot inventory operations on ACS robots
- NetBackup robotic control, communication, and logging
- NetBackup robotic control, communication, and logging for UNIX systems
- ACS robotic test utility
- ACS configurations supported
- Device configuration examples
About the NetBackup sg driver
NetBackup provides its own SCSI pass-through driver to communicate with SCSI-controlled robotic peripherals. This driver is called the SCSA (generic SCSI pass-through driver), also referred to as the sg driver.
Install the NetBackup sg driver on each Solaris NetBackup media server that hosts tape devices. Each time you add or remove a device, you should reinstall the sg driver again.
If you do not use a pass-through driver, performance suffers.
NetBackup uses the pass-through driver for the following:
By avrd and robotic processes to scan drives.
By NetBackup to position tapes by using the locate-block method.
By NetBackup for SAN error recovery.
By NetBackup for Quantum SDLT performance optimization.
By NetBackup for SCSI reservations.
By NetBackup device configuration to collect robot and drive information.
To collect Tape Alert information from tape devices allowing support of functions such as tape drive cleaning.
For WORM tape support.
Future NetBackup features and enhancements
Because NetBackup uses its own pass-through driver, NetBackup does not support the Solaris sgen SCSI pass-through driver.