4.2 Hot Swap

2N^® SIM Star Server provides the so-called hot swap function. Hot swap includes two running 2N^® SIM Star Server units, which mirror the configuration databases. Upon a failure of one server (Master), the other server (Slave) assumes control automatically.

Installation Guide – Web Configuration

Installing 2N^® SIM Star Server with the hot swap support, meet the below listed instructions to avoid a system error.

1. Install 2N^® SIM Star Server on two independent PCs.
2. Log in to the web interface on both the PCs, go to SIM server -> Restart and complete the data as follows.
3. Enable mirroring in the Change SIM Star Server's mirroring settings.
4. Enter the address of this server into My IP and the address of the other server into Peer IP.
5. Complete the password and optional email.
6. Now push Restart to restart the two SIM Star servers and wait until the introductory page has been loaded.
7. Enter the mirroring password on the server (Master) whose configuration is to be mirrored.

To deactivate the hot swap support:

1. Deactivate the SIM server process (service simstar stop) on both the PCs.
2. Run the /usr/simstar/utils/ss_mirror_off utility.
3. Re-launch the SIM server process (service simstar start).