Re: applying cpu patch to data guard

Surely you get *some* downtime to this application (assuming it's read-write) when you perform the switchover?

In terms of the state of the binaries and catbundle, your method is equivalent to a rac rolling install - you end up running one node with the patched software but without catbundle being applied immediately.

jason.

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On 10 June 2011 19:19, Armstrong-Champ, Joseph William <
Joseph.Armstrong-Champ_at_tufts.edu> wrote:



>  We just applied the latest cpu patch to a test data guard environment

> without downtime to the application by (some steps are left out):

>

> -          Cancelling recovery

>

> -          Patching the standby binaries

>

> -          Switch over to the standby (note: the catbundle has not been

> applied)

>

> -          Patch the primary (original) binaries

>

> -          Switchover (original primary is now primary again)

>

> -          Run the catbundle script against the primary

>

>

>

> Everything worked out ok. We were told that this is ok to do but it isn’t

> the way it is outlined in the cpu doc. Does anyone else do it this way? Any

> comments?

>

>

>

> Joe

>


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