AW: V16 to V18 Upgrade with pg_dumpall -- Question - Mailing list pgsql-novice
| From | Subramanian,Ramachandran |
|---|---|
| Subject | AW: V16 to V18 Upgrade with pg_dumpall -- Question |
| Date | |
| Msg-id | 320d522ca4854a159a6f6cddbb383db9@alte-leipziger.de Whole thread |
| In response to | Re: V16 to V18 Upgrade with pg_dumpall -- Question (Justin <zzzzz.graf@gmail.com>) |
| List | pgsql-novice |
Hello all,
I worked with our Linux team and got them to install an image that allows in place upgrade. I tested it and it works.
Thank you all for all your inputs.
LG
Ram
Freundliche Grüße
i. A. Ramachandran Subramanian
Zentralbereich Informationstechnologie
Alte Leipziger Lebensversicherung a. G.
Hallesche Krankenversicherung a. G.
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E-Mail: ramachandran.subramanian@alte-leipziger.de
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Von: Justin <zzzzz.graf@gmail.com>
Gesendet: Montag, 21. September 2026 15:39
An: David G. Johnston <david.g.johnston@gmail.com>
Cc: Subramanian,Ramachandran IT-md-db <ramachandran.subramanian@alte-leipziger.de>; pgsql-novice@lists.postgresql.org
Betreff: Re: V16 to V18 Upgrade with pg_dumpall -- Question
I do not think this accurate unless something has changed.
Redhat packages install the binaries then leave all the configuration up to admin/DBA. Data directory, initialize the database etc...
If the packages detect and prevent installation of multiple pg versions I would say switch to the redhat pg community package
On Mon, Sep 21, 2026, 8:13 AM David G. Johnston <david.g.johnston@gmail.com> wrote:
On Monday, September 21, 2026, Subramanian,Ramachandran <ramachandran.subramanian@alte-leipziger.de> wrote:
Our Linux Admin tells us that the image he downloads is from REDHAT and not from POSTGRES and it allows only one version of Postgres to be installed at any given time.
Either this is true and you can’t do what you want below, or it’s false and you can.
But yeah, usually either you install two versions one the same machine at the same time e or you install one version on each of two machines at the same time. Both these tend to minimize downtime and risk. There is a bit of complexity to do either.
David J.
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