Upgrading 9.1.17 to which version?

From: nigel(dot)andersen(at)gmx(dot)com
To: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Upgrading 9.1.17 to which version?
Date: 2019-05-16 09:36:56
Message-ID: trinity-3e5c707b-a548-4117-a723-6d15d65ebbb3-1557999416043@3c-app-mailcom-bs03
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<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Hi,</div>

<div>&nbsp;</div>

<div>I&#39;ve just inherited an ancient install of 9.1.17 after our tech guy left, on what turns out to be a rapidly dying server and being a total newb to PostgreSQL (and not much more advanced on Linux) I&#39;m a little stuck on the way ahead.</div>

<div>&nbsp;</div>

<div>I&#39;ve managed to secure a decent new server for a new install of PostgreSQL which runs CentOS 7.6 (Minimal). CentOS 7.6&#39;s standard PostgreSQL package seems to be 9.2.24 which is obviously no longer supported so probably doesn&#39;t get us much further ahead in the short term. As part of this upgrade we&#39;d also like to implement support for pg_trgm which apparently needs &gt;=9.6.</div>

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<div>I spent most of yesterday trying to get 9.6.13 installed from the PostgreSQL Yum repository and finally got it working with the initdb stuff stored on a non-default dedicated partition (RAID10 array) only to find that psql didn&#39;t work and was complaining about a missing libpq.so.5. Not sure if that&#39;s a common problem?</div>

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<div>My (admittedly loose) logic tells me that upgrading from 9.1.x to 9.6.x is probably a safer option than making the leap up to 10.x or 11.x but I wonder whether that might be an easier/more reliable option from an install and point of view and certainly preferable in the long term. Any advice on where to go?</div>

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<div>Thanks</div>

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<div>Nigel</div>

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