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 device drivers and files for HP-UX persistent DSFs
NetBackup supports persistent device special files (DSFs) for robotic tape libraries and tape drives. Persistent DSFs are a component of a new storage stack addressing model HP calls agile addressing. The device World Wide Identifier (WWID) identifies a device; a device path does not identify a device. The device file name of the logical unit is independent of the paths that lead to the LUN.
When HP-UX 11i v3 is installed, both persistent DSFs and legacy device files are created on the system.
You can use persistent DSFs on some HP-UX servers and legacy device files on others. However, if you use legacy device files, you must configure devices manually in NetBackup.
NetBackup device discovery finds persistent DSFs only. Therefore, Veritas recommends that you use persistent DSFs.