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2 cascade function and configuration files – Hitachi TAGMASTORE MK-90RD011-25 User Manual

Page 119

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Hitachi Command Control Interface (CCI) User and Reference Guide

101

2.9.1.2 Cascade Function and Configuration Files

A volume of the cascading connection describes entity in a configuration definition file on
the same instance, and classifies connection of volume through the mirror descriptor. In
case of Hitachi TrueCopy/ShadowImage cascading connection, too, the volume entity
describes to a configuration definition file on the same instance. Figure 2.47 shows an
example of this.

HORCM_DEV
#dev_group dev_name port# TargetID LU#MU#
Oradb oradev1 CL1-D 3 0 0
Oradb1 oradev11 CL1-D 3 4 0
Oradb2 oradev21 CL1-D 3 6 0

HORCM_INST
#dev_group ip_address service
Oradb HST1 horcm1
Oradb1 HST1 horcm1
Oradb2 HST1 horcm1

HORCM_DEV
#dev_group dev_name port# TargetID LU# MU#
Oradb oradev1 CL1-D 3 2 0
Oradb1 oradev11 CL1-D 3 2 1
Oradb2 oradev21 CL1-D 3 2 2

HORCM_INST
#dev_group ip_address service
Oradb HST1 horcm0
Oradb1 HST1 horcm0
Oradb2 HST1 horcm0

PVOL

T3L0

ShadowImage

Oradb

MU#0

SVOL

T3L4

MU#0

S/P

VOL

T3L2

ShadowImage

MU#0

MU#1

MU#2

SVOL

T3L6

MU#0

Oradb1

Oradb2

HORCMINST1

HORCMINST0

Figure 2.47 ShadowImage Cascade Connection and Configuration File