Re: Converting a BigIP from Active/Standby to Active/Active

Kenneth Salchow <[email protected]> Thu, 19 Nov 2009 15:50:14 -0800
Newsgroups gmane.comp.programming.load-balancing.general
Message-ID <4B18A8F75A6384449755BC7784073E9360DC96CBF4@exch11.olympus.f5net.com>
You already did it?  Wow. :)

I think one of the issues is the potential for both unit 1 and unit 2 to
claim ownership of a VIP during the transition and the clearing of MAC
tables and arp caches.  

If you don't mind me asking--what 'weirdness' did you run into?

KJ (Ken) Salchow, Jr. | Manager, Technical Marketing
D 651.423.1133
M 612.868.1258
P 206.272.5555
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www.f5.com



-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of
Justin Huff
Sent: Thursday, November 19, 2009 5:01 PM
To: Load Balancing Mailing List
Subject: Re: [load balancing] Converting a BigIP from Active/Standby to
Active/Active

Thanks Hamish.  It went reasonably well.  There was a little weirdness
during the transition, but not too bad.

--Justin

On Thu, Nov 19, 2009 at 12:06 PM, Hamish Marson
<[email protected]> wrote:
>
> On 19 Nov 2009, at 19:45, Justin Huff wrote:
>
>> Howdy!
>>
>> I have a need to convert my BigIP LTM from A/S to A/A.  F5's docs say
>> that it's best to reinstall.  I could probably do that..but how bad
>> would it be do change the redundancy mode without a reinstall?
>>
>> I was thinking of doing it this way:
>> 1. make sure that node #1 was active (since all the resources default to
1)
>> 2. change the mode on #1
>> 3. Config Sync to node 2
>> 4. Profit?!?!
>>
>
> That's the way I did it... I swapped back & forth several time. I'm not
sure why anyone would say re-install...
>
> H
>
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