Lee Hachadoorian wrote:
> I'm planning on upgrading Ubuntu 7.10 to 8.04. Is there anything
> special I need to do to preserve my Postgres 8.3 installation? Should
> I backup the cluster and reinstall Postgres, or should I just do the
> Ubuntu upgrade and expect Postgres to keep working?
>
>
If you are planning to allow Ubuntu to do the version upgrade, it should
do it OK and preserve your data. You should, of course, still backup all
im****tant data both PG and other prior to a major upgrade.
If you are planning a bare-metal reinstall, you will have to back up
everything you want to save including your PG data.
If you are using a Debian-based distro like Ubuntu, look at the
available Debian-specific utilities (wrappers around PG utilities):
pg_createcluster(8), pg_dropcluster(8), pg_lsclusters(1) and
pg_wrapper(1).
When the Ubuntu version upgrade involves a major PG version upgrade, you
may need to use one of the above utilities to migrate your PG data to
the new version.
Cheers,
Steve
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