Veritas NetBackup™ Device Configuration Guide
- Introducing device configuration
- Section I. Operating systems
- AIX
- About configuring tape drive device files in AIX
- Creating AIX no rewind device files for tape drives
- HP-UX
- 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
- Linux
- About the required Linux SCSI drivers
- About configuring robot and drive control for Linux
- Solaris
- 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
- Windows
- AIX
- 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
- 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.
Note:
NetBackup device discovery finds persistent DSFs only. Therefore, Veritas recommends that you use persistent DSFs.