HP LUN Configuration Manager XP Software - Manual (Page 81)

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