Facility wide DR/Continuity

gb10hkzo-nanog at yahoo.co.uk gb10hkzo-nanog at yahoo.co.uk
Wed Jun 3 15:13:12 UTC 2009

Tell me about it ...... "failover test.... what failover test"  ;-)

----- Original Message ----
From: William Herrin <herrin-nanog at dirtside.com>
To: gb10hkzo-nanog at yahoo.co.uk
Cc: nanog at nanog.org
Sent: Wednesday, 3 June, 2009 16:05:15
Subject: Re: Facility wide DR/Continuity

On Wed, Jun 3, 2009 at 10:53 AM, <gb10hkzo-nanog at yahoo.co.uk> wrote:
> - whether you are after an active/active or active/passive solution

In practice, active/passive DR solutions often fail. You rarely need
to fail over to the passive system. When you finally do need to fail
over, there are a dozen configuration changes that didn't make it from
the active system, so the passive system isn't in a runable state.

Bill Herrin

William D. Herrin ................ herrin at dirtside.com  bill at herrin.us
3005 Crane Dr. ...................... Web: <http://bill.herrin.us/>
Falls Church, VA 22042-3004


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