Re: Tape backup, 2 versions, same database name, which is pg_dump

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От MargaretGillon@chromalloy.com
Тема Re: Tape backup, 2 versions, same database name, which is pg_dump
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Msg-id OFAA0E2C22.56648D99-ON882571BE.00756F97-882571BE.0075DDC8@CHROMALLOY.COM
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Ответ на Re: Tape backup, 2 versions, same database name, which is pg_dump backing up  ("Thomas F. O'Connell" <tfo@sitening.com>)
Ответы Re: Tape backup, 2 versions, same database name, which is pg_dump backing up  ("Thomas F. O'Connell" <tfo@sitening.com>)
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> Your confirmation is correct with one slight technical exception:
> specifying the port doesn't technically cause the system to know
> which version of postgres to use.
>
> In my previous post, I forgot to mention a related note: the version
> of pg_dump that you're using matters slightly. pg_dump can typically
> be used with older postgres installations, but not newer ones. So
> you should prefer using the 8.1.4 version of pg_dump to dump at
> least your 8.1.4 postmaster, but probably also your 7.3.4 postmaster.
>
> A 7.3.4 pg_dump client will probably not be able to run against an
> 8.1.4 postmaster.
>
> Otherwise, pg_dump doesn't really care about the version as much as
> it cares about being able to connect to a postmaster. That's what
> specifying the port helps it do. When you don't specify the port, it
> just tries port 5432. If it finds a postmaster listening there,
> great, it will try to dump it; otherwise, it will fail with a
> complaint that it couldn't connect to anything on 5432.
>
> --
> Thomas F. O'Connell
> Sitening, LLC
>
> http://www.sitening.com/
> 3004B Poston Avenue
> Nashville, TN 37203-1314
> 615-469-5150 x802
> 615-469-5151 (fax)
>

You're correct, I cannot use the pg_dump. I get a error message that the pg_dump is aborting because of a version mismatch, then it says to use the i opt. How do I call the pg_dump from the 8.1.4 version?

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Margaret Gillon, IS Dept., Chromalloy Los Angeles, ext. 297

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