Developers Guide

Backbone HA sync states (Continued)TABLE 4
Active CP Fabric OS
version
Standby CP Fabric
OS version
HA sync state Remedy
v7.2.0 v7.2.0 InSync N/A
v7.2.0 v7.3.0 InSync N/A
v7.3.0 v7.1.0 Not inSync
Run firmwareDownload -s on the standby
CP to upgrade it to v7.3.0
v7.3.0 v7.2.0 InSync N/A
v7.3.0 v7.3.0 InSync N/A
Displaying the HA redundancy status
To display the switch uptime and CP blades redundancy settings, use the haRedundancy --show
command.
The haRedundancy command displays the following information:
• Current active session details.
‐ HA synchronization status.
‐ Active slot state: CP ID, (local/remote CP), recovery type.
‐ Standby slot state: CP ID, (local/remote CP).
‐ Start time: The starting time of all service becoming in sync state. Displayed when HA is
in sync state.
• Previous active session
‐ Active slot state: CP ID, recovery type.
‐ Standby slot state: CP ID
‐ Start time: Starting time of previous active session when all service instances became in
sync.
‐ End time: Ending time of previous active session caused by expected or unexpected
recovery.
• System uptime
The staring time since system services has been running. It will not change unless your power
cycle the system or reset both CPs at the same time.
For am example, refer to the following output from a DCX 8510-8 chassis with a healthy standby CP
blade.
sw0:FID128:root> haredundancy --show
=== HA Redundancy Statistics ===
HA State synchronized
Current Active Session:
Active Slot = CP0 (Local), Expected Recovered
Standby Slot = CP1 (Remote)
Start Time: 17:55:33 UTC Fri Jan 03 2014
Previous Active Session:
Active Slot = CP1, Expected Recovered
Standby Slot = CP0
Start Time: 17:49:46 UTC Fri Jan 03 2014
End Time: 17:54:10 UTC Fri Jan 03 2014
System Uptime: 17:42:11 UTC Fri Jan 03 2014
Displaying the HA redundancy status
12 Fabric OS Upgrade Guide
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