Failover peer ignores some requests
Sebastian Hagedorn
Hagedorn at uni-koeln.de
Tue May 9 08:51:52 UTC 2006
Hi,
--On 8. Mai 2006 10:07:37 -0700 "David W. Hankins" <David_Hankins at isc.org>
wrote:
> On Mon, May 08, 2006 at 02:25:29PM +0200, Sebastian Hagedorn wrote:
>> May 8 13:50:06 noc2 dhcpd: pool 88af2f0 134.95.128/24 total 27 free 5
>> backup 0 lts 2
>>
>> Even that is unclear to me. Doesn't "free 5" mean that *this* peer has 5
>> free leases? Anyway, what's even more baffling is the behavior of the
>> other
>
> Well, yes, "free 5" means there are 5 free leases...but what you're
> missing out on is that the secondary can only allocate leases in the
> 'backup' state.
thanks for clearing that up.
> Only the primary can allocate leases in the 'free' state.
>
>> May 8 13:54:19 lvr13 dhcpd: pool 89be580 134.95.128/24 total 27 free 4
>> backup 1 lts -1
>
> It's pretty clear that your lease state databases are out of synch.
I'd read that that can happen, but didn't notice any problems until now.
> I'd upgrade to 3.0.4 (or wait until Jason completes testing and
> distributes a package).
I'm going to wait for an RPM.
> Before or after the upgrade (or both) you'll also need to fault the
> secondary's dhcpd.leases (stop dhcpd, rm it and touch a new one, start
> dhcpd). The servers will transfer the lease database. I should remind
> you the secondary will not answer queries for a time equal to MCLT - this
> is normal.
Thanks, I will try this later today.
--
.:.Sebastian Hagedorn - RZKR-R1 (Gebäude 52), Zimmer 18.:.
Zentrum für angewandte Informatik - Universitätsweiter Service RRZK
.:.Universität zu Köln / Cologne University - Tel. +49-221-478-5587.:.
.:.:.:.Skype: shagedorn.:.:.:.
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