ETERNUS SF Express V14.1 User's Guide

6.4.4 Executing Remote Advanced Copy (HA system configuration)

This section describes Remote Advanced Copy in the High Availability system configuration.

Execute remote copy between two ETERNUS DX90s at the same site. Even if any failure should occur in one ETERNUS DX90, the other ETERNUS DX90 can continue business operation.

Figure 6.8 HA system configuration diagram

Take the following procedures to execute Remote Advanced Copy.

6.4.4.1 Starting Copy Control Management GUI

Start the Copy Control Management GUI from Express Clinet.

Click [Copy Control Management] in [Tools] to launch Copy Control Management GUI.

6.4.4.2 Registering ETERNUS Disk storage systems

Register ETERNUS Disk storage systems with Express Manager as the devices to be used for copies.

1. Register an ETERNUS Disk storage system

   1. Click [Add disk Array] in [Disk Arrays] to register an ETERNUS Disk storage system.

      

      The [Add Disk Array] menu is shown.

   2. Specify the following information.

      • Storage Location

      • Array Name

      • IP Address

      • User Name

      • Password

      • Access Path

      

2. Register another ETERNUS Disk storage system

   1. Click [Add Disk Array] in [Disk Arrays] to register an ETERNUS Disk storage system.

      

      The [Add Disk Array] menu is shown.

   2. Specify the following information.

      • Storage Location

      • Array Name

      • IP Address

      • User Name

      • Password

      • Access Path

      

      
      

6.4.4.3 Creating copy groups

A copy group is a group of copy pairs, consisting of a copy source logical volume and a copy destination logical volume.

When creating copy groups, specify which type of Advanced Copy and which ETERNUS Disk storage system to use.

1. Click [Create] in the Copy Group to create a Copy Group.

   

   The [Create] menu is shown.

2. Specify the following information.

   • Group Name

   • Copy Type

   • Local Disk Array(for Remote Copy)

   • Remote Disk Array(for Remote Copy)

   

   Point

   Group Name must be up to 64 alphanumeric characters, hyphens (-), underscores (_), hashes (#) or periods (.). The first character must be an alphanumeric character.

   
   

6.4.4.4 Adding copy pairs

Add copy pairs to the copy groups that have been created.

Copy pairs are strings that define copy source and destination logical volumes.

1. Click [Add Pairs] in the Copy Group to add Copy Pairs.

   

   The [Add Copy Pair] menu is shown.

2. Specify the following information.

   • Copy Source Array

   • Copy Source Volume

   • Copy Destination Array

   • Copy Destination Volume

   

6.4.4.5 Executing Advanced Copy

Execute Clone (Remote) type Advanced Copy.

The Clone (Remote) type operating procedure is as follows.

1. Start copy

   Click [Start Forward Remote Copy[REC]] in the copy group to start Remote Advanced Copy. However, if you want to reverse the copied data, click [Start Reverse Remote Copy[REC]].

   

   Specify the Remote Advanced Copy operating modes.

   • Transfer mode

   • Recovery mode

   • Split mode

   

2. Wait for equivalent state

   Wait until [Progress] is changed to "100%".

   

3. Suspend copy

   Click [Suspend Remote Copy[REC]] in the Copy Group to suspend the copy.

   

4. Resume copy

   Click [Resume Remote Copy[REC]] in the Copy Group to resume the copy.

   Then repeat the procedures 2 to 4.