Re: DB Structure Recovery

On Wed, 2008-03-19 at 16:56 +0200, veejar wrote:

> My filesystem (UFS-FreeBSD) was crashed and I have lost files from
> PGSQL DATA DIR FOLDER after fsck-utility.
>
> I have lost files from directory "pg_xlog"
> I reset my pg_xlog.
>
> And now have such error by starting pgsql-server:
>
> LOG:  database system was interrupted at 2008-03-18 22:29:48 EET
> LOG:  checkpoint record is at 3E/6C000020
> LOG:  redo record is at 3E/6C000020; undo record is at 3E/6C000020;
> shutdown TRUE
> LOG:  next transaction ID: 0/1624775486; next OID: 9528514
> LOG:  next MultiXactId: 6643; next MultiXactOffset: 13690
> LOG:  database system was not properly shut down; automatic recovery in progress
> LOG:  record with zero length at 3E/6C000068
> LOG:  redo is not required
> FATAL:  could not access status of transaction 6643
> DETAIL:  Could not read from file "pg_multixact/offsets/0000" at
> offset 24576: Success.
> LOG:  startup process (PID 6267) exited with exit code 1
> LOG:  aborting startup due to startup process failure
> LOG:  logger shutting down
>
> Is it possible to lose this problem?
> HELP!!!

It is possible to recover some data in most situations, but it can take
anywhere from a day or two. My company offers database recovery
services, if you're willing to pay.

--
  Simon Riggs
  2ndQuadrant  http://www.2ndQuadrant.com

  PostgreSQL UK 2008 Conference: http://www.postgresql.org.uk