Re: will this upgrade strategy work?

HI Jerry

Thanks for your response. Is the copy option of pg_upgrade faster than a
traditional pg_dump-restore?
Remember we are striving for speed and mimimal downtime.

On Wed, Sep 5, 2018 at 3:20 PM, Jerry Sievers <gsievers19(at)comcast(dot)net>
wrote:

> Mark Steben <mark(dot)steben(at)drivedominion(dot)com> writes:
>
> > Good afternoon, team.
> >
> > We wish to do a postgres upgrade from 9.4 to 9.6. In order to
> > minimize downtime we were thinking to do this:
> > 1. bring postgres down (9.4 is on 'diskset 1')
> > 2. do a physical copy of the data to 'diskset 2' (same phyxical
> > server.
> > 3. do an inplace pg_upgrade to 9.6 on 'diskset 2'
>
> Note that the copy (vs link) option of pg_upgrade is non-destructive and
> probably a simpler version than what you're proposing.
>
> Whatever method you choose, best do a prior test run in a non-prod
> setting to insure everything is correct.
>
> HTH
>
>
> > 4. Bring postgres up on 9.6 diskset 2
> > This way we have 9.4 on diskset 1 to fall back on.
> >
> > This would work much faster than the traditional dump restore.
> >
> > Any comments welcome. Thanks.
> >
> >
> > --
> > Mark Steben
> > Database Administrator
> > @utoRevenue | Autobase
> > CRM division of Dominion Dealer Solutions
> > 95D Ashley Ave.
> > West Springfield, MA 01089
> > t: 413.327-3045
> > f: 413.383-9567
> >
> > www.fb.com/DominionDealerSolutions
> > www.twitter.com/DominionDealer
> > www.drivedominion.com
> >
> >
> >
> >
> >
> >
> >
> >
>
> --
> Jerry Sievers
> Postgres DBA/Development Consulting
> e: postgres(dot)consulting(at)comcast(dot)net
> p: 312.241.7800
>

--
*Mark Steben*
Database Administrator
@utoRevenue <http://www.autorevenue.com/> | Autobase
<http://www.autobase.net/>
CRM division of Dominion Dealer Solutions
95D Ashley Ave.
West Springfield, MA 01089
t: 413.327-3045
f: 413.383-9567

www.fb.com/DominionDealerSolutions
www.twitter.com/DominionDealer
www.drivedominion.com <http://www.autorevenue.com/>

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