Re: Regular restore tests

From: Ls Cheng <exriscer_at_gmail.com>
Date: Mon, 17 Apr 2017 10:16:07 +0200
Message-ID: <CAJ2-Qb-oSU0uNs__yoYAXmYBmvo3SfUZbHSYFzZQWK=89Xj4nw_at_mail.gmail.com>



Just wonder, I do some occasionally restore tests but I mainly run restore validate against the tape backups and disk backups. Is that enough or we must run the real physical restore?

Thanks

On Thu, Apr 13, 2017 at 6:18 PM, Jeremy Schneider <schneider_at_ardentperf.com> wrote:

> On Thu, 13 Apr 2017 09:46:37 +0100 John Hallas wrote:
> > As an aside we have a server (well 2 actually - one HPUX and one
> > Linux) that we use for backup proving.
> > We have a couple of Oracle homes on each and we recover the backups
> > from our Commvault repository onto these servers. If we have an
> > 11.2.0.3 database we will recover into whichever OH is installed - it
> > might be 11.2.0.2 or 11.2.0.4. and we do not run any
> > upgrade/downgrade scripts All we are testing is that the database can
> > be restored and that the backup is fully functional
>
> Nice, John!
>
> In my most recent position before this current freelancing spell, I
> helped architect our restore testing process. Every week we randomly
> picked one of our several hundred production web applications and did a
> full out-of-place restore of both the database and application tiers. We
> then logged into the restored application and pulled screenshots
> showing dates of recent entries (but no sensitive data), proving the
> date of the restore. We stored the screenshots as part of the evidence
> on our ISO & SAS certifications. I found that auditors really liked
> these screenshots too - proving the restore visually without lots of
> explanation, unlike log or terminal captures.
>
> One of the counterintuitive principles in devops is that when something
> is painful you should consider doing it more instead of less. Because
> we did these restores weekly, we got very skilled and fast and reliable
> in running them. The restores were also shared across the DBA team so
> that we all acquired the skills. Eventually, every step was either
> automated (by code in svn) or cut-and-pasted from a change-controlled
> wiki.
>
> I was really proud of what we did on that operations team!
>
> -Jeremy
>
> --
> http://about.me/jeremy_schneider
>
>
> ##
> Ok, I guess I just got so impressed with the size of a 64-bit value that
> I was overwhelmed. Consider, for example:
>
> u64 i;
> for (i = 1; i != 0; i++);
>
> Now in theory this will count each possible number, but in practice the
> machine will die long before it ever finishes.
>
> - George Anzinger on linux-kernel
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

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Received on Mon Apr 17 2017 - 10:16:07 CEST

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