Anonymous_User Absent Member.
Absent Member.
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Upgrade to 8 and want to backout ...

Just want to know IF I can do this;

- Domain A (7.0.3 Primary) ... with 3 poa's.
- Domain B (7.0.3 NEW Secondary).
- Promote Domain B to be new Primary.
- Upgrade the new Primary (Domain B) to 8.0.1.

Oops ... A few days later I have an issue and need to back out (probably won't happen, BUT, need a backout plan).

- So, can I now promote Domain A back to the Primary ... even though it is a 7.0.3 ?

David
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4 Replies
Bob-O-Rama
Visitor.

Re: Upgrade to 8 and want to backout ...

dschryer;1908772 wrote:
Just want to know IF I can do this;

- Domain A (7.0.3 Primary) ... with 3 poa's.
- Domain B (7.0.3 NEW Secondary).
- Promote Domain B to be new Primary.
- Upgrade the new Primary (Domain B) to 8.0.1.

Oops ... A few days later I have an issue and need to back out (probably won't happen, BUT, need a backout plan).

- So, can I now promote Domain A back to the Primary ... even though it is a 7.0.3 ?

David


Answered here. Your recovery point is your last full backup just prior to upgrading the 7.x.x POA to version 8.x.x. So if a week later on you discover some deal breaking issue - you already have a weeks works of new mail and edits to the mailbox contents. Once the POA starts, and the PO databases are touched by the 8.x agents, they are upgraded to 8.x format and cannot be used by the 7.x code.

-- Bob




I'm not sure Upgrading the POA and agents is where the real risk is, once you are running GW8 on the POA, and mail is delivered, there is no going back, really - as your restore point is
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Knowledge Partner Knowledge Partner
Knowledge Partner

Re: Upgrade to 8 and want to backout ...

David Schryer wrote:

> Just want to know IF I can do this;
>
> - Domain A (7.0.3 Primary) ... with 3 poa's.
> - Domain B (7.0.3 NEW Secondary).
> - Promote Domain B to be new Primary.
> - Upgrade the new Primary (Domain B) to 8.0.1.
>
> Oops ... A few days later I have an issue and need to back out
> (probably won't happen, BUT, need a backout plan).
>
> - So, can I now promote Domain A back to the Primary ... even though
> it is a 7.0.3 ?


You can't. Though I've done numerous upgrades over the years and never
had to roll back.


--
Cheers,
Edward
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Knowledge Partner
Knowledge Partner

Re: Upgrade to 8 and want to backout ...

edmaa;1908839 wrote:
David Schryer wrote:

> Just want to know IF I can do this;
>
> - Domain A (7.0.3 Primary) ... with 3 poa's.
> - Domain B (7.0.3 NEW Secondary).
> - Promote Domain B to be new Primary.
> - Upgrade the new Primary (Domain B) to 8.0.1.
>
> Oops ... A few days later I have an issue and need to back out
> (probably won't happen, BUT, need a backout plan).
>
> - So, can I now promote Domain A back to the Primary ... even though
> it is a 7.0.3 ?


You can't. Though I've done numerous upgrades over the years and never
had to roll back.


--
Cheers,
Edward


You're lucky. We've had to backrev numerous times, although not to a previous version (meaning 7.x to say 6.5x). I have had to backrev "dot" releases a few times. Although right now 8.0.1 vs. 8.0 is a toss up as to which is more buggy and problematic.
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Knowledge Partner Knowledge Partner
Knowledge Partner

Re: Upgrade to 8 and want to backout ...

kjhurni wrote:


> You're lucky. We've had to backrev numerous times, although not to a
> previous version (meaning 7.x to say 6.5x). I have had to backrev
> "dot" releases a few times. Although right now 8.0.1 vs. 8.0 is a
> toss up as to which is more buggy and problematic.


I've done backrevs of agents as you describe as well, but never between
major versions.

--
Cheers,
Edward
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