5190/5194 Modular Tape Subsystem Manual

Installing the Modular Tape Subsystem
5190/5194 Modular Tape Subsystem Manual—426878-002
3-4
Installation Planning
Installation Planning
Whether you are connecting the modular tape subsystem to an already installed
system or to a new system, you need to review the following information before
beginning installation.
Only a trained service provider can install and attach tape drives to K10000, K1000SE,
K20000, and K2000SE servers that have MC-32 I/O cabinets.
Limitations (NonStop Himalaya S-Series Servers)
When planning the installation of a modular tape subsystem, be aware of the following:
•
Avoid daisy-chaining tape drives on NonStop Himalaya S-series servers, because
tape performance is limited by competing server tasks like disk I/O activity.
•
You can dump processor memory to tape only if the tape drive is connected to a
PMF CRU.
•
You cannot dump memory to tape if the tape drive is connected to a 6760
ServerNet device adapter.
•
If you are connecting the modular tape subsystem to a 6760 ServerNet device
adapter, refer to the 6760 ServerNet/DA Manual for other restrictions.
Device IDs
A single tape drive module can hold up to two tape drive CRUs. Each drive CRU must
have a unique device ID to identify the drive to the controller. Drive CRUs that are not
part of a system order arrive from the factory with a device ID of 5, but it is a good idea
to check the device ID of each drive CRU whenever you install, replace, or upgrade
drive CRUs. The device ID is set by the tape drive CRU firmware. For instructions on
how to display the device ID on the drive or ACL front panel, see Checking and Setting
the Device ID on page 3-41.
Topic Page
Limitations (NonStop Himalaya S-Series Servers)
3-4
Device IDs 3-4
Service Clearance and Dimensions 3-7
Environmental Requirements 3-9
Fiber-Optic Cable Installation 3-9
AC Power Requirements 3-9
Power Cords 3-10
Stack Height 3-10
Migrating a Tape Drive to a NonStop Himalaya S-Series Server 3-12
Tape Drive Configurations 3-12