ETERNUS SF Disk Space Monitor User's Guide - Microsoft(R) Windows Server(TM) 2003/Solaris(TM) Operating System/Linux - 13.0
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Part 2 Installation (Basic)> Chapter 4 Installation and Setup

4.3 Redundant Manager Operation Model

"Redundant Manager operations" refers to the function that improves the availability of the entire system by using two Managers to monitor the same system.

Because two Managers with the same functions are set up and management information is held on each Manager server, even if a problem occurs on one server, it is possible to continue monitoring the system with the other server without the need for manual switchover operations. As a result, job downtime can be minimized, and highly available systems can be achieved.

This section explains how to install a redundant Manager configuration, using an example of creating a new environment for ETERNUS SF Disk Space Monitor.

Refer to the various reference locations for the details of each procedure.

If a section is indicated in the "Reference location" column below, perform only the procedure in the specified section (including any sub-sections), without continuing to the next section.

To migrate from an environment where a Manager is already operating independently to a redundant Manager operation, perform only the following steps.

Item No.

Location

Step

Task details

Reference location

1

Manager

1-1

Install the program.

Section 4.1.1.1

1-2

(Only if "pull" operation is to be performed)

Make settings for "pull" operations.

Section 12.1.1

1-3

(Only if "pull" operation is to be performed)

Execute the Manager setup command for redundant Manager operations.

Execute this command on one of the Managers but not the other.

Section 4.3.1.1

1-4

Start resident processes.

Perform steps 1 to 7 above for the second Manager as well.

Section 5.1

2

Agent

2-1

Install the program.

Specify which of the two Managers that the Agent will connect to.

Section 4.1.2.1

2-2

(Only if "pull" operation is to be performed)

Make settings for "pull" operations.

Do not start the DCM service at this point.

Section 12.1.2

Section 12.2.2

2-3

Execute the Agent setup command for redundant Manager operations.

Section 4.3.1.2

2-4

(Only if the performance of middleware is to be managed)

Preparation and verification may be required on the middleware side, depending on the middleware.

In such cases, make preparations and verifications on the middleware side.

Chapter 6

2-5

Create policies.

Section 13.1

2-6

Apply policies.

Section 13.2

2-7

Start resident processes.

Section 5.2

3

Operation Management Client

3-1

Install separate operation management clients for each Manager.

Section 4.1.3

This section explains the setup command for redundant Manager operations.

To cancel redundant Manager operations, no action needs to be taken on the operation management clients. Perform necessary setting operations by changing only the procedures relating to the Manager and Agent as appropriate.

4.3.1 Setting up redundant Manager operations 

To make Managers redundant, the redundancy setup command must be executed on the Managers and all of their Agents.
This section explains the specification for the redundancy setup command.

4.3.1.1 Manager setup command for redundant Manager operations

[Command name]

sqcHmSetup:Manager environment setup command for redundant Manager operations

[Syntax]

Installation directory\bin\sqcHmSetup.exe [-u]

Log in as a superuser to execute this command.

/opt/FJSVssqc/bin/sqcHmSetup.exe [-u]

[Function]

This command creates or removes the Manager environment for redundant Manager operations.

[Options]

Option

Meaning

[-u]

This option cancels the redundant Manager operations.

[Termination status]

Normal termination: 0

Abnormal termination: 1

If this command terminates normally, the following message will be output:

If this command terminates abnormally, the following messages will be output:

[Usage example]

To make a Manager redundant, execute this command as follows:

C:\>cd C:\Program Files\DiskSpaceMonitor\bin

C:\Program Files\DiskSpaceMonitor\bin>sqcHmSetup.exe

Command Succeeded.

C:\Program Files\DiskSpaceMonitor\bin>


# cd /opt/FJSVssqc/bin/

# ./sqcHmSetup.exe

Command Succeeded.

#

To cancel redundant Manager operations, execute this command as follows:

C:\>cd C:\Program Files\DiskSpaceMonitor\bin

C:\Program Files\DiskSpaceMonitor\bin>sqcHmSetup.exe -u

Command Succeeded.

C:\Program Files\DiskSpaceMonitor\bin>

# cd /opt/FJSVssqc/bin/

# ./sqcHmSetup.exe -u

Command Succeeded.

#

[File]

If this command is completed successfully, the following file will be edited:

Variable file directory\control\data\dmcoll.ini

/etc/opt/FJSVssqc/data/dmcoll.ini

[Notes]

None.

4.3.1.2 Agent setup command for redundant Manager operations

[Command name]

sqcHaSetup:Agent environment setup command for redundant Manager operations

[Syntax]

Installation directory\bin\sqcHaSetup.exe -h host name

Installation directory\bin\sqcHaSetup.exe -u

Installation directory\bin\sqcHaSetup.exe -d

Log in as a superuser to execute this command.

/opt/FJSVssqc/bin/sqcHaSetup.sh -h host name

/opt/FJSVssqc/bin/sqcHaSetup.sh -u

/opt/FJSVssqc/bin/sqcHaSetup.sh -d

[Function]

This command creates or removes the Agent environment for redundant Manager operations.

[Options]

Option

Meaning

-h host name

Specify either the host name or the IP address of the Manager that had not been set up when the Agent was first installed. This option cannot be specified together with other options.

-u

This option cancels the redundant Manager operations. This option cannot be specified together with other options.

-d

This option displays the Manager that is currently specified as the connection destination. This option cannot be specified together with other options.

This option can only be specified with "push" operations.

[Termination status]

Normal termination: 0

Abnormal termination: 1

If this command terminates normally, the following message will be output:

If this command terminates abnormally, the following messages will be output:

[Usage example]

To add a second Manager, execute this command as follows:

C:\>cd C:\Program Files\DiskSpaceMonitor\bin

C:\Program Files\DiskSpaceMonitor\bin>sqcHaSetup.exe -h hostname

Command succeeded.

C:\Program Files\DiskSpaceMonitor\bin>


# cd /opt/FJSVssqc/bin/

# ./sqcHaSetup.sh -h hostname

Command succeeded.

#

To cancel redundant Manager operations, execute this command as follows:

C:\>cd C:\Program Files\DiskSpaceMonitor\bin

C:\Program Files\DiskSpaceMonitor\bin>sqcHaSetup.exe -u

Command succeeded.

C:\Program Files\DiskSpaceMonitor\bin>

# cd /opt/FJSVssqc/bin/

# ./sqcHaSetup.sh -u

Command Succeeded.

#

To display the Manager that is currently specified as the connection destination, execute this command as below. (For "push" operations only)

C:\>cd C:\Program Files\DiskSpaceMonitor\bin

C:\Program Files\DiskSpaceMonitor\bin>sqcHaSetup.exe -d

Manager host name 1: XXXX

Manager host name 2: YYYY

C:\Program Files\DiskSpaceMonitor\bin>

# cd /opt/FJSVssqc/bin/

# ./sqcHaSetup.sh -d

Manager host name 1: XXXX

Manager host name 2: YYYY

#

"XXXX" and "YYYY" are the host names of the servers that are currently specified as the Managers to connect to. If redundant Manager operations have not been set up, then "Manager host name 2" (the "YYYY" section) will be left blank.

[File]

If this command is completed successfully, the following file will be edited:

Variable file directory\control\DSAconfiguration.txt

/etc/opt/FJSVssqc/DSAconfiguration.txt

[Notes]

None.


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