Computer Drive User Manual

Chapter 8. Volume and Storage Management
This chapter describes the procedures for adding, removing, monitoring, and managing storage space in
the HPSS system.
The basic unit of storage which can be added to the HPSS system is the volume. Before volumes can be
added to HPSS, the underlying configuration structures must be created to support them. These structures
include:
• Storage classes, hierarchies, classes of service, migration policies, purge policies, and, optionally,
file families. See Chapter 6 Storage Configuration for the procedures for creating these structures.
• Device configurations. See Chapter 7 Devices and Drive management for the procedures for
creating these structures.
8.1. Adding Storage Space
Adding storage space to the HPSS system means creating new virtual volumes and adding them to a
storage class. Creating new virtual volumes in a storage class is a two-step process:
1. Import Volumes. In the first step, the physical volumes that will be gathered into the new
Core Server virtual volumes are imported by the PVL.
2. Create Resources. In the second step, metadata for the new volumes is created by the Core
Server; this process is called creating storage resources.
8.1.1. Importing Volumes into HPSS
Importing a physical volume (PV) into HPSS is the process of adding a tape cartridge or disk volume to
the PVL and labeling it with an HPSS volume label. Importing also makes the volume known to the PVR
and PVL, and creates the appropriate metadata records. Cleaning cartridges are managed by the tape
library directly and should not be imported into the HPSS system.
To import a tape cartridge into HPSS, the administrator must be familiar with the operation of
the PVR to which the cartridge will be added because the physical cartridge injection process
differs among PVRs.
• Operator - No cartridge injection step is necessary (or possible).
• 3494 - When importing new cartridges into HPSS, the cartridges must be entered into the IBM
robot before any HPSS import operations are performed. Cartridges placed in the convenience I/O
port will automatically be injected by the robot.
• AML - When importing new cartridges into HPSS, the cartridges must be entered into the AML
Insert/Eject/Foreign (I/E/F) port before any HPSS import operations are performed. The HPSS
AML PVR moves the cartridges into the towers or shelves before importing into HPSS. Users can
then use the HPSS Import Tape Volumes window to import the tapes into HPSS; users do not
need to issue the ‘dasadmin insert’ command prior to importing. See the ADIC AML
Administrator’s Guide for procedures to enter cartridges into the I/E/F bins.
Users must configure the Insert/Eject ports for the AML PVR using the configuration files
HPSS Management Guide November 2009
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