| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tony Caduto <tony_caduto(at)amsoftwaredesign(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: question about Postgresql and rsync |
| Date: | 2005-11-03 15:39:29 |
| Message-ID: | 200511031539.jA3FdTB07663@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-general |
Tony Caduto wrote:
> Hi,
> Does anyone know if it would be safe to use rsync to mirror a Postgresql
> setup to a backup server?
>
> I need to create a exact duplicate for a disaster recovery server, the
> disaster recovery server would not be in use until the production one
> went down for
> some reason.
>
> It seems to me that if the postmaster is stopped it should be safe.
> Comments?
Yes, it is safe if the postmaster is down. In fact our documention
recommends a trick of doing rsync while the postmaster is running, then
shutting down the postmaster just long enough to do another rsync to get
the changes into the backup.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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