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play_arrow High Availability
- play_arrow Overview
  - Junos Space High Availability Overview
- play_arrow Understanding the High Availability Software Architecture
  - Junos Space High Availability Software Architecture Overview
  - Software Components for Junos Space Nodes
- play_arrow Understanding the Junos Space Cluster (Fabric) Architecture
- play_arrow Configuring High Availability Overview
  - Configuring the Junos Space Cluster for High Availability Overview
- play_arrow High Availability Failover Scenarios
  - Understanding High-Availability Failover Scenarios
play_arrow Disaster Recovery
- play_arrow Disaster Recovery Solution
- play_arrow Configuring the Disaster Recovery Process
  - Configuring the Disaster Recovery Process Between an Active and a Standby Site
  - Stopping the Disaster Recovery Process on Junos Space Network Management Platform Release 14.1R3 and Earlier
- play_arrow Configuring the Disaster Recovery Process in the GUI
  - Validate Peer Site
  - Manage Disaster Recovery
- play_arrow Managing the Disaster Recovery Solution
- play_arrow Upgrading Junos Space Network Management Platform with Disaster Recovery Enabled
  - Upgrade Procedure

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Manually Failing Over the Network Management Services to the Standby Site

date_range 23-Oct-24

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You may need to fail over the network management services to the standby site even when the active site is fully operational. You execute the jmp-dr manualFailover command at the standby site to fail over the network management services to the standby site. When the failover is complete, the standby site becomes the new active site.

Note:

We recommend that you check the status of the disaster recovery configuration before and after executing the jmp-dr manualFailover command. To do so, execute the jmp-dr health command at both sites.
If you do a manual failover after the automatic failover is disabled, then you need to again disable the automatic failover using jmp-dr toolkit watchdog status --disable-automatic-failover 0 command.

To manually fail over the network management services to the standby site:

Log in to the CLI of the Junos Space node at the standby site on which the VIP or the eth0:0 interface is configured.
The Junos Space Settings Menu is displayed.

Enter 7while using a virtual appliance at the Junos Space Settings Menu prompt to run shell commands.

The following is a sample output from a virtual appliance:

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admin@10.206.41.183's password:
Last login: Mon Aug 17 06:17:58 2015 from 10.206.41.42

Welcome to the Junos Space network settings utility.

Initializing, please wait


Junos Space Settings Menu

1> Change Password
2> Change Network Settings
3> Change Time Options
4> Retrieve Logs
5> Security
6> Expand VM Drive Size
7> (Debug) run shell

A> Apply changes
Q> Quit
R> Redraw Menu

Choice [1-7,AQR]: 7

You are prompted to enter the administrator password.

Enter the administrator password.
Type jmp-dr manualFailover at the shell prompt and press Enter.

Enter Yes.

The following is a sample output:

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[user1@host]# jmp-dr manualFailover 
Do you really want to start manual failover: Yes
Check DR state of this site: started

INFO: => switchover DR at current site: active 

Stop dr-watchdog if it's running                                                                      [ OK ]
Check status of DR remote site: up
Check current DR role: standby
Restore configuration files                                                                           [ OK ]
Setup MySQL replication: master-master                                                                [ OK ]
Skip MySQL data backup                                                                                [ OK ]
Setup PostgreSQL replication                                                                          [ OK ]
Start file & RRD replication                                                                          [ OK ]
Open firewall for device traffic                                                                      [ OK ]
Start services(jboss,jboss-dc,etc.)                                                                   [ OK ]
Start dr-watchdog                                                                                     [ OK ]
Copy files to DR slave site                                                                           [ OK ]
Update DR role of current site: active                                                                [ OK ]

INFO: => switchover DR at DR remote site: standby 

Check DR state of this site: started
Stop dr-watchdog if it's running                                                                      [ OK ]
Check status of DR remote site: up
Check current DR role: active
Stop services(jboss,jboss-dc,etc.)                                                                    [ OK ]
Block firewall for device traffic                                                                     [ OK ]
Reset MySQL init script and stop replication                                                          [ OK ]
Skip MySQL data restore                                                                               [ OK ]
Setup MySQL replication and start replication                                                         [ OK ]
Setup PostgreSQL replication                                                                          [ OK ]
Start files & RRD replication                                                                         [ OK ]
Start dr-watchdog                                                                                     [ OK ]
Clean up /var/cache/jmp-geo/incoming                                                                  [ OK ]
Update DR role of current site: standby                                                               [ OK ]
The manualFailover command is done.
The manualFailover command is done.

The standby site becomes the new active site.

Note:

If you have made any NAT-related updates in any of the disaster recovery sites, after a manual failover, run the following commands to ensure that NAT devices work seamlessly with the new active site:

Move the backup file from /var/cache/jmp-geo/config/diff.properties_backup to /var/cache/jmp-geo/config/diff.properties.
Run the following command on the VIP node to update the changed standby cluster device management, NAT, and IP configuration on the current active site:

/var/cache/jmp-geo/script/toolkit-config-update.pl

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