2011/4/21 Robert Haas <robertmh...@gmail.com>:
> On Thu, Apr 21, 2011 at 6:38 AM, Simon Riggs <si...@2ndquadrant.com> wrote:
>> On Thu, Apr 21, 2011 at 10:31 AM, rajibdk <rajib.d...@siemens.com> wrote:
>>> What does that database system identifier means? Is it related to DB
>>> transactions’ or unique to a version?
>>
>> Regrettably, it means you didn't follow the documented procedure.
>>
>> It isn't possible to do it any other way, so those questions are a
>> distraction.
>
> I think they are perfectly good questions. If someone is trying to
> understand how our product works, we should encourage that.
Agree those are perfectly good question to ask on -general. (but on
hackers it looks excessive)
Rajib: this is relative to initdb, it produces one key to be able to
check later if postgresql is restoring the good files.
(
from sources :
/*
* Unique system identifier --- to ensure we match up xlog files with the
* installation that produced them.
*/
)
Robert, Please don't add confusion to your signature : PostgreSQL is a
community project not an enterprise product.
>
> --
> Robert Haas
> EnterpriseDB: http://www.enterprisedb.com
> The Enterprise PostgreSQL Company
>
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Cédric Villemain 2ndQuadrant
http://2ndQuadrant.fr/ PostgreSQL : Expertise, Formation et Support
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