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Forum Discussion

Mike_Graston_10's avatar
Mike_Graston_10
Icon for Nimbostratus rankNimbostratus
Jan 25, 2007

Irules when Upgrading

All,     Has anyone upgraded from a 9.X version to a 9.X version and seen any instances in which the Irule or Irule commands didn't port over. We are running into the issue where I either nee...
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AaronJB's avatar
AaronJB
Ret. Employee
Jan 26, 2007
1) If you have an HA pair, upgrade only one unit, failover to it, if all things are working after a few days, upgrade the other unit. Note that you probably won't want to synchronize your pair during this time, and if you are mirroring connections, you might want to disable that as well.

 

 

Depending on the version you are going from and to, you can have a problem even keeping the units from going Active/Active - generally has only been an issue going between major versions in my experience, however (i.e. a v9.1.x unit with a v9.2.x, or v9.2.x with v9.4).

 

 

I've seen this several times in the lab, and at least a couple of times in the wild..