| From: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
|---|---|
| To: | Natalie Wenz <nataliewenz(at)gmail(dot)com> |
| Cc: | pgsql-admin(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Database migration across different operating systems |
| Date: | 2019-01-08 09:06:46 |
| Message-ID: | 875zuzr06z.fsf@news-spur.riddles.org.uk |
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| Thread: | |
| Lists: | pgsql-admin |
>>>>> "Natalie" == Natalie Wenz <nataliewenz(at)gmail(dot)com> writes:
Natalie> We are in an unusual circumstance, where we need to move all
Natalie> of our Postgres 10 databases from their homes on servers
Natalie> running FreeBSD 11 with ZFS to servers in another data center
Natalie> running Red Hat Linux 7.6 (also with ZFS), with minimal
Natalie> downtime.
[...]
Natalie> We’ve tested this procedure on a small database, and it
Natalie> starts, it runs, returns queries. There seems to be no issues.
Natalie> Is this a reasonable approach? Are there any known
Natalie> concerns/things to investigate before choosing this course?
Locales will bite you unless your databases all have lc_collate=C or
you're using ICU for all collations); you will need, at minimum, to
reindex every index containing a collatable column with an OS-provided
collation (i.e. not ICU and not C / POSIX).
--
Andrew (irc:RhodiumToad)
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