Migration of leases from one failover pair to another without outage
nicku at nicku.org
Wed Feb 27 06:45:21 UTC 2008
Thank you for your reply.
On 27/02/08 07:35 +0100, Holger Honert wrote:
> My suggestion:
> stop the secondary-a, transfer the leasefile to secondary-b, stop
> (or restart) primary-a and startup secondary-b at the same time.
Yes, this would involve an outage of 15 minutes while they both
restart. This is what I'm hoping to avoid.
> keep in mind to tell dhcp-relays, i.e. routers or layer3-switches to
> use the new secondary-b server.
Yes, changing the cable helper-address on the CMTSs is part of the
Nick Urbanik RHCE http://nicku.org nicku at nicku.org
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