dhcp cluster fails to issue static lease when partner down for too long

Randall C Grimshaw rgrimsha at syr.edu
Sun Sep 23 16:42:22 UTC 2012


I am curious if this is similar to a bug I observed recently related the the surviving peer being the secondary? was yours the secondary?

Randall Grimshaw rgrimsha at syr.edu
________________________________________
From: dhcp-users-bounces+rgrimsha=syr.edu at lists.isc.org [dhcp-users-bounces+rgrimsha=syr.edu at lists.isc.org] on behalf of Christ Schlacta [lists at aarcane.org]
Sent: Sunday, September 23, 2012 2:10 AM
To: Users of ISC DHCP
Subject: dhcp cluster fails to issue static lease when partner down for too     long

so I've got a bunch of static leases configured in my config files, and
a pair of systems configured as a small cluster.  Well, when one system
was down (we left on vacation, wanted to save some resources) for about
3 days, the static leases would no longer issue when we returned.  In
the logs was a message similar to "Peer holds all the leases", or
something like that.  I don't have the logs handy.
I believe this is a pretty serious BUG.  dhcpd should NEVER refuse or
fail to issue a deterministic lease, one that's either statically
defined, or defined in terms of a dns entry, or similarly
deterministically defined.
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