SPAM-HIGH: RE: Buffer read error when reading leases file.

[Steve]

Hi Shawn,

Ok, thanks, I'll grab the source and give that a try.

Thanks.
Steve.


-----Original Message-----
From: dhcp-users-bounces+steve=iwwd.com at lists.isc.org
[mailto:dhcp-users-bounces+steve=iwwd.com at lists.isc.org] On Behalf Of Shawn
Routhier
Sent: Friday, 15 November 2013 3:36 PM
To: Users of ISC DHCP
Subject: SPAM-HIGH: RE: Buffer read error when reading leases file.

I believe the v6 lease rotation patch first appeared in 4.2.4.

shawn

On Nov 14, 2013, at 8:01 PM, Steve wrote:

> Hi Glen,
> 
> Thanks, I'll give them a try.
> 
> The version I'm using is 4.2.2 which is up to date according to 
> Debian's APT repository.  If this doesn't fix it, I'll have to compile 
> the latest from source.
> 
> Thanks
> Steve.
> 
> 
> 
> -----Original Message-----
> From: dhcp-users-bounces+steve=iwwd.com at lists.isc.org
> [mailto:dhcp-users-bounces+steve=iwwd.com at lists.isc.org] On Behalf Of 
> Neff, Glen
> Sent: Friday, 15 November 2013 12:16 AM
> To: Users of ISC DHCP
> Subject: SPAM-HIGH: RE: Buffer read error when reading leases file.
> 
> I haven't had your issue (but I might of had things continued), but I 
> seem to remember something about the defaults for these values being 
> problematically low & causing a lot of churn in the lease file.  These 
> settings were recommended to me:
> 
> option dhcp-renewal-time 3600;
> option dhcp-rebinding-time 7200;
> allow leasequery;
> option dhcp6.info-refresh-time 21600;
> 
> -G
> 
> /*
> * Glen R. J. Neff
> * USD Lab Operations Infrastructure Team
> * glen.neff at emc.com
> *
> * EMC^2 == E^2
> */
> ________________________________________
> From: dhcp-users-bounces+glen.neff=emc.com at lists.isc.org
> [dhcp-users-bounces+glen.neff=emc.com at lists.isc.org] On Behalf Of 
> Steve [steve at iwwd.com]
> Sent: Wednesday, November 13, 2013 6:46 PM
> To: dhcp-users at lists.isc.org
> Subject: Buffer read error when reading leases file.
> 
> Hi All,
> 
> I've been trying to debug why our dhcp-v6 service wasn't starting when 
> this line appeared in syslog:
> 
> dhcpd: /var/lib/dhcp/dhcpd6.leases: file is too long to buffer.
> 
> Upon checking the file, I found it was a massive 6.2GB in file size!
> 
> This server handles a floating number of around 300-500 
> clients-devices, how on earth could the leases file grown this large?
> 
> Thanks
> Steve.
> 
> 
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> 
> 
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