In this section we will walk through how to perform a simple firmware upgrade of the our Production NetScalers which are in a HA availability pair.
Upgrading the Passive node first, disabling HA sync, rebooting then confirm the device is OK before forcing a HA failover and repeating the upgrade steps on the other NetScaler.
|1||Download the latest firmware for Citrix NetScaler VPX|
|2||Open a PuTTy session and SSH to the Passive NetScaler and login as nsroot
|3||browse to /var/nsinstall by typing
|4||Create a new directory called 12nsinstall
|6||Browse to the newly created directory in the WinSCP console /var/nsinstall/12nsinstall
Upload the NetScaler firmware downloaded in step 1
|7||When copying completes
extract the tar file
‘tar -zxvf ./build-12.0-41.22_ns_32.tgz’
|8||Stop the replication between the NetScalers||set ha node -hasync disabled
Note: newer versions of NetScaler will do this automatically when they detect a Version mismatch.
|9||Once extraction is complete run the upgrade script
|10||Reboot the NetScaler
Type ‘y’ and press enter / return key
|11||Ensure the NetScaler has rebooted without errors or issues and then failover the NetScalers.
From the NetScaler shell type ‘force HA failover’
|12||Repeat all the above steps on the other NetScaler (the now passive server)|
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