Compaq 9900 User Manual

Page 21

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Hitachi Lightning 9900™ User and Reference Guide

7

Table 1.1

Program Products and Service Offerings (continued)

Function Description

See

Section:

Resource Management:

HiCommand™

Enables users to manage the 9900 subsystem and perform functions (e.g., LUN

Manager, SANtinel) from virtually any location via the HiCommand™ Web

Client, command line interface (CLI), and/or third-party application.

3.7.14

LUN Manager

Enables users to configure the 9900 fibre-channel ports for operational

environments (e.g., arbitrated-loop (FC-AL) and fabric topologies, host failover

support).

3.7.15

LU Size Expansion (LUSE)

Enables open-system users to create expanded LUs which can be up to 36

times larger than standard fixed-size LUs.

3.7.16

Virtual LVI (VLVI)

Virtual LUN (VLUN)

Enables users to configure custom-size LVIs and LUs which are smaller than

standard-size devices.

3.7.17

FlashAccess (Flsh)

Enables users to store specific high-usage data directly in cache memory to

provide virtually immediate data availability.

3.7.18

Cache Manager

Enables users to perform FlashAccess operations from the S/390

®

host system.

FlashAccess allows you to place specific data in cache memory to enable

virtually immediate access to this data

3.7.19

Hitachi SANtinel

Hitachi SANtinel – S/390

®

Allows users to restrict host access to data on the Lightning 9900™ subsystem.

Open-system users can restrict host access to LUs based on the host’s World

Wide Name (WWN). S/390

®

mainframe users can restrict host access to LVIs

based on node IDs and logical partition (LPAR) numbers.

3.7.20

3.7.21

Prioritized Port Control (PPC)

Allows open-system users to designate prioritized ports (e.g., for production

servers) and non-prioritized ports (e.g., for development servers) and set

thresholds and upper limits for the I/O activity of these ports.

3.7.22

Hitachi Parallel Access Volume

(HPAV)

Enables the S/390

®

host system to issue multiple I/O requests in parallel to

single LDEVs in the Lightning 9900™ subsystem. HPAV provides compatibility

with the IBM

®

Workload Manager (WLM) host software function and supports

both static and dynamic PAV functionality.

3.7.23

Dynamic Link Manager™

Provides automatic load balancing, path failover, and recovery capabilities in the

event of a path failure.

3.7.24

LDEV Guard

Enables the assigning of access permissions (Read/Write, Read-Only, and

Protect) to logical volumes in a disk subsystem. 3390-3A, 3390-3B and 3390-3C

volumes can be used by both mainframe hosts and open-system hosts.
Note: Please check with your Hitachi Data Systems representative for the latest

feature availability.

MK-92RD072

Storage Utilities:

Hitachi CruiseControl

Monitors subsystem and volume activity and performs automatic relocation of

volumes to optimize performance.

3.7.26

Hitachi Graph-Track™ (GT)

Provides detailed information on the I/O activity and hardware performance of

the 9900 subsystem. Hitachi Graph-Track™ displays real-time and historical

data in graphical format, including I/O statistics, cache statistics, and front-end

and back-end microprocessor usage.

3.7.27

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