Introduction; Preparing For The Ptm Installation; Ptm Components; Ptm Base Unit - HP StorageWorks MSL6000 Series Reference Manual

1

Introduction

The HP StorageWorks Pass-Through Mechanism (PTM) enables the transfer of tape cartridges
between HP StorageWorks MSL6000 Series tape libraries. A single PTM system can be used to
create a multi-unit tape library configuration by connecting:
• Up to eight two-drive libraries
Up to four four-drive libraries
•
• A combination of two- and four-drive libraries equivalent to a 40U height
NOTE: See "Planning the
NOTE: All MSL Series libraries in a multi-unit library configuration must use the same drive types.
Check with your application software vendor to manage partitioning by tape technology if you
want to mix drive types in a multi-unit library configuration.
Mixed media is not supported on libraries with firmware levels of 4.04 or earlier.
The PTM installation procedure consists of the following steps:
•

Preparing for the PTM installation

• Installing the PTM
• Cabling the PTM
• Configuring the PTM
NOTE: An MSL Series PTM is not compatible with either a TL series or an SSL series PTM.
Preparing for the PTM Installation
Before beginning the installation procedure:
1. Using the packing slip, verify the components that came with the PTM Upgrade Kit.
2. Make sure that you have the required tools (see
3. Make sure the library is functional.
4. Make sure that you are using the proper version of firmware. See
on page 40.

PTM Components

The following components typically ship with a PTM kit:
• PTM (base unit)
• LAN hub and bracket
Installation" on page 11 for specific configuration details.
MSL6000 series pass-through mechanism reference guide
"PTM Required Tools" on page 10).
"Verifying the Firmware Level"
9