Re: old cluster does not use data checksums but the new one does

From: Mariel Cherkassky <mariel(dot)cherkassky(at)gmail(dot)com>
To: Scott Ribe <scott_ribe(at)elevated-dev(dot)com>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: old cluster does not use data checksums but the new one does
Date: 2019-05-05 20:42:39
Message-ID: CA+t6e1mP0Qzkw6HpoqeU6WN4_SbG0w=9MrZf3VhG9eMXBst2aw@mail.gmail.com
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in aspect of upgrade, what will be faster, pg_upgrade or dump and restore
each db in the cluster ?

‫בתאריך יום א׳, 5 במאי 2019 ב-19:11 מאת ‪Scott Ribe‬‏ <‪
scott_ribe(at)elevated-dev(dot)com‬‏>:‬

> > On May 5, 2019, at 9:58 AM, Mariel Cherkassky <
> mariel(dot)cherkassky(at)gmail(dot)com> wrote:
> >
> > My only option is doing the upgrade with other tools and not with
> pg_upgrade ?
>
> Dump & restore; you're changing the on-disk file format, so attempts to
> use current disk files cannot work.

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