GSLB affinity for high availability

1

1.Make sure you configure HA groups for the ServerIron ADX. (Refer to “Configuring an HA group” on page 157.)

2.Enable dynamic detection as a backup mechanism by entering commands such as the following on the GSLB ServerIron ADX.

ServerIronADX# configure terminal

ServerIronADX(config)# gslb dynamic-peer-detect

ServerIronADX(config)# end

Syntax: [no] gslb dynamic-peer-detect

Displaying HA information

Displaying all HA groups

To view all the configured HA groups on the GSLB ServerIron ADX, enter the following command on the GSLB ServerIron ADX.

ServerIronADX# show gslb ha-group-info

Configured GSLB HA groups:

*GSLB HA group: {ServerIron 1.1.1.55, ServerIron 1.1.1.65} Virtual IPs for ServerIron 1.1.1.55: None

Virtual IPs for ServerIron 1.1.1.65: None

*GSLB HA group: {ServerIron 1.1.1.102, ServerIron 1.1.1.9} Virtual IPs for ServerIron 1.1.1.102:

1.1.1.101(A)

Virtual IPs for ServerIron 1.1.1.9: 1.1.1.101(S)

Syntax: show gslb ha-group-info

Displaying the HA peer for a site

To view the configured HA peer for a Site ServerIron ADX, enter the following command on the GSLB ServerIron ADX.

GSLB-ServerIronADX# show gslb site local

SITE: local

Enhanced RTT smoothing: OFF

ServerIronADX: 1.1.1.102:

state: SELF

Protocol Version: 4 distributed health-chk Active RTT gathering: NO Authenticate: NO, Encrypt: NO Cfg HA peer: ServerIronADX 1.1.1.9

Current

num.

Session

CPU

load

Preference

Location

Connection

sessions

util(%)

(%)

99

(0-255)

N-AM

Load-Avg

 

18

0

 

128

--

Virtual

IPs:

 

 

 

 

 

 

 

1.1.1.101(A)

 

 

 

 

 

ServerIron ADX Global Server Load Balancing Guide

159

53-1002437-01

 

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Brocade Communications Systems 12.4.00 Displaying HA information, Displaying all HA groups, Syntax show gslb ha-group-info