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Re: Database Size Limiting

From: "Campano, Troy" <Troy(dot)Campano(at)LibertyMutual(dot)com>
To: "Richard Huxton" <dev(at)archonet(dot)com>,"Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
Cc: "Postgres general mailing list" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Database Size Limiting
Date: 2004-05-27 19:57:32
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-general
Is it possible to have a database spread across two data files?
So if it fills up filesystem1 then we could add a second filesystem and
allow it to grow onto this second filesystem?


-----Original Message-----
From: Richard Huxton [mailto:dev(at)archonet(dot)com] 
Sent: Thursday, May 27, 2004 3:23 PM
To: Joshua D. Drake
Cc: Campano, Troy; Postgres general mailing list
Subject: Re: [GENERAL] Database Size Limiting

Joshua D. Drake wrote:
> Hello,
> You could use Filsystem quotas but I strongly suggest against it as it

> will probably bring about database corruption.

Ah - manual reference

"24.2. Disk Full Failure

The most important disk monitoring task of a database administrator is 
to make sure the disk doesn't grow full. A filled data disk may result 
in subsequent corruption of database indexes, but not of the tables 
themselves. If the WAL files are on the same disk (as is the case for a 
default configuration) then a filled disk during database initialization

may result in corrupted or incomplete WAL files. This failure condition 
is detected and the database server will refuse to start up. "

   Richard Huxton
   Archonet Ltd


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