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VSC operations 81

VSC parameters

This section covers

• VSC specifications

• custom volume capacity

• storage subsystem ID (SSID) requirements

VSC specifications

The following table lists VSC specifications. Each CV has its own assigned

unit control block (UCB), and multiple VSC types can be configured within

each parity group. The user can add and delete VSC at any time and has

complete control over the number of user cylinders and the emulation type

of each CV.

Parameter Specification

Emulation type OPEN-x

Minimum size of CV 35 MB

Maximum size of CV OPEN-3: 2.3 GB

OPEN-8: 7.0 GB

OPEN-9: 7.0 GB

OPEN-E: 13.8 GB

OPEN-K: 1.7 GB

Size increment 1 MB

Maximum number of volumes

(custom and normal) per parity group

128

Maximum number of volumes

(custom and normal) per disk array

4096

Control (overhead) capacity required

per CV

OPEN-3: 5 MB

OPEN-8 & 9: 19 MB

OPEN-E: 13 MB

OPEN-K: 6 MB

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Hp LUN Configuration Manager XP Software Manual do Utilizador Página 81