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 HP OpenCall SS7 platform Operations Guide: For Release 3.1 on Linux > Chapter 5 Validating the Platform

Validating High Availability (HA)
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Validating HA means ensuring the platform is OK from an HA viewpoint. This involves:

  • Checking the state of the stack processes.

  • Checking the state of the LANs.

Checking the Stack Process States

You do this as follows.

  1. Start the SS7 stack(s), using the ss7Start command, on one host at a time.

  2. Look at the process states (displayed by the ocftstatus command).

    The possible process states are:

    • ACTIVE

    • BOOTING

    • DOWN

    • SYNCHRONIZING

    • UNKNOWN

    In Parallel Engine mode, the stacks should be ACTIVE on both hosts.

Checking that the LANs Are OK

You do this as shown below.

Figure 5-1 Dual LANs

Dual LANs

  1. Retrieve information about the LAN interfaces, hostnames, and IP addresses of the Dual LANs. You can do this by executing the netstat -i and netstat -in commands.

  2. Check LAN1.

    • Physically disconnect LAN1 from Host A.

    • Check that neither SS7 stack goes down and that no split brain symptom occurs. For more information on the split brain symptom, see the HP Opencall SS7 Troubleshooting Guide.

    • Perform a ping on LAN2.

    • Reconnect LAN1 to Host A.

    • Wait for the establishment of traffic, then perform a ping on LAN1.

  3. Check LAN2 (as is described in step 2 for LAN1).



Chapter 5 Validating the Platform
  		 


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