> From: Glyn Astill <glynastill at yahoo.co.uk>
> To: Steve Singer <ssinger at ca.afilias.info>
> Cc: Vick Khera <vivek at khera.org>; slony <slony1-general at lists.slony.info>
> Sent: Sunday, 16 March 2014, 18:43
> Subject: Re: [Slony1-general] question about upgrading 2.1 to 2.2 steps from	manual
> 
> 
> 
> 
>>  From: Steve Singer <ssinger at ca.afilias.info>
>>  To: Glyn Astill <glynastill at yahoo.co.uk>
>>  Cc: Vick Khera <vivek at khera.org>; slony 
> <slony1-general at lists.slony.info>
>>  Sent: Saturday, 15 March 2014, 16:36
>>  Subject: Re: [Slony1-general] question about upgrading 2.1 to 2.2 steps 
> from manual
>> 
>>  On 03/15/2014 09:58 AM, Glyn Astill wrote:
>> 
>>> 
>>> 
>>> 
>>>   So Steve, can you advise on how to upgrade on systems with multiple 
>>  replication sets; Or am I just plain wrong that we can't lock multiple 
> sets 
>>  at once?
>> 
>> 
>>  I don't see any reason why you shouldn't be able to lock multiple 
>>  replication sets at the same time.
>> 
> 
> Have you tried?  I'm pretty sure slonik emitted an error last time I tried 
> to lock more than one set at once.
> 

Scratch that, the error I'm thinking of is "cannot lock set - admin connection already in transaction" which only happens if I try to lock multiple sets within a try block.