flood of balance messages

Darren perl-list at network1.net
Wed Oct 17 16:32:44 UTC 2007


Can we have some clarification of which servers (Primary/Secondary/Both) 
the following failover statements should be specified on?  The man pages 
don't really clarify this.

max-response-delay
max-unacked-updates
mclt
split/hba
load balance max seconds
max-lease-misbalance
max-lease-ownership
min-balance
max-balance

Leger, Rita wrote:
> The split statement is fine, it only goes in the Primary Server conf
> file.
>
>
>
> Darren wrote:
>   
>> Tell me... I do not have split defined on the secondary, but only on
>>     
> the 
>   
>> primary.  I am reading the man page and it does not say that this 
>> statement must only be defined on the primary.  So, should the split 
>> statement be defined on both the primary and secondary?
>>     
>
> Leger, Rita wrote:
>   
>> Let me finish that thought.  The MCLT must only be specified in the
>> primary servers configuration file.
>>
>> -----Original Message-----
>> From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On
>> Behalf Of Leger, Rita
>> Sent: Wednesday, October 17, 2007 8:43 AM
>> To: dhcp-users at isc.org
>> Subject: RE: flood of balance messages
>>
>> I noticed that the mclt time is set on both the primary and secondary
>> servers.  It must only be specified on t
>>
>> -----Original Message-----
>> From: dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] On
>> Behalf Of Darren
>> Sent: Tuesday, October 16, 2007 1:59 PM
>> To: dhcp-users at isc.org
>> Subject: flood of balance messages
>>
>> Folks,
>>
>> We upgraded from dhcpd 3.0.5 to 3.1.0 on two failover peers last
>>     
> night.
>   
>> We had a problem afterwards detailed below.  I suspect there may be 
>> either a problem with my failover config or some compatibility issue 
>> with the format of /var/state/dhcp/dhcpd.leases from 3.0.5 to 3.1.0
>>     
> that
>   
>> caused the issue.  Anything jump out at anyone?
>>
>> Here is my failover config:
>>
>> Server 1:
>>
>> failover peer "patriot" {
>>         primary;
>>         address 10.0.0.1;
>>         port 519;
>>         peer address 10.0.0.2;
>>         peer port 520;
>>         max-response-delay 5;
>>         max-unacked-updates 5;
>>         mclt 1800;
>>         split 128;
>>         load balance max seconds 5;
>>         max-lease-misbalance 2;
>>         max-lease-ownership 1;
>>         min-balance 1800;
>>         max-balance 1800;
>> }
>>
>> Server 2:
>>
>> failover peer "patriot" {
>>         secondary;
>>         address 10.0.0.2;
>>         port 520;
>>         peer address 10.0.0.1;
>>         peer port 519;
>>         max-response-delay 5;
>>         max-unacked-updates 5;
>>         mclt 1800;
>>         load balance max seconds 5;
>>         max-lease-misbalance 2;
>>         max-lease-ownership 1;
>>         min-balance 1800;
>>         max-balance 1800;
>> }
>>
>>
>> Anyone know why these particular messages would occur at the rate of 
>> several hundred per second until the 2.0gig syslog file limit was
>> reached?
>>
>> 51) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 8109e10 citizens-paradyne total 29 free 15 backup 14 lts 0 max-own
>> (+/-)0 
>> 52) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 8109e10 citizens-paradyne total 29 free 15 backup 14 lts 0 max-misbal
>>     
> 1 
>   
>> 53) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80e77b0 citizens-ATM total 61 free 8 backup 8 lts 0 max-own (+/-)0 
>> 54) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80e77b0 citizens-ATM total 61 free 8 backup 8 lts 0 max-misbal 0 
>> 55) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80ea448 citizens-ATM total 253 free 123 backup 130 lts -3 max-own
>>     
> (+/-)3
>   
>> 56) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80ea448 citizens-ATM total 253 free 123 backup 130 lts -3 max-misbal 5
>>     
>
>   
>> 57) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80f61e0 citizens-ATM total 61 free 5 backup 4 lts 0 max-own (+/-)0 
>> 58) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80f61e0 citizens-ATM total 61 free 5 backup 4 lts 0 max-misbal 0 
>> 59) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80f9680 citizens-ATM total 61 free 8 backup 8 lts 0 max-own (+/-)0 
>> 60) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80f9680 citizens-ATM total 61 free 8 backup 8 lts 0 max-misbal 0 
>> 61) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80fc328 citizens-ATM total 61 free 6 backup 9 lts -1 max-own (+/-)0 
>> 62) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80fc328 citizens-ATM total 61 free 6 backup 9 lts -1 max-misbal 0 
>> 63) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80ff7c8 citizens-ATM total 61 free 10 backup 9 lts 0 max-own (+/-)0 
>> 64) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80ff7c8 citizens-ATM total 61 free 10 backup 9 lts 0 max-misbal 0 
>> 65) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 8102470 citizens-ATM total 125 free 22 backup 23 lts 0 max-own (+/-)0 
>> 66) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 8102470 citizens-ATM total 125 free 22 backup 23 lts 0 max-misbal 1 
>> 67) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80d81f8 citizens-ethernet total 61 free 18 backup 17 lts 0 max-own
>> (+/-)0 
>> 68) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80d81f8 citizens-ethernet total 61 free 18 backup 17 lts 0 max-misbal
>>     
> 1 
>   
>> 69) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80db688 citizens-ethernet total 253 free 123 backup 129 lts -3 max-own
>> (+/-)3 
>> 70) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80db688 citizens-ethernet total 253 free 123 backup 129 lts -3
>> max-misbal 5 
>> 71) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd peer patriot: Got
>> POOLREQ, answering negatively! Peer may be out of leases or database
>> inconsistent. 
>> 72) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd pool response: 0
>> leases 
>> 73) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 81087a0 citizens-paradyne total 28 free 11 backup 10 lts 0 max-own
>> (+/-)0 
>> 74) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 81087a0 citizens-paradyne total 28 free 11 backup 10 lts 0 max-misbal
>>     
> 0 
>   
>> 75) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 8109e10 citizens-paradyne total 29 free 15 backup 14 lts 0 max-own
>> (+/-)0 
>> 76) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 8109e10 citizens-paradyne total 29 free 15 backup 14 lts 0 max-misbal
>>     
> 1 
>   
>> 77) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80e77b0 citizens-ATM total 61 free 8 backup 8 lts 0 max-own (+/-)0 
>> 78) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80e77b0 citizens-ATM total 61 free 8 backup 8 lts 0 max-misbal 0 
>> 79) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80ea448 citizens-ATM total 253 free 123 backup 130 lts -3 max-own
>>     
> (+/-)3
>   
>> 80) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80ea448 citizens-ATM total 253 free 123 backup 130 lts -3 max-misbal 5
>>     
>
>   
>> 81) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80f61e0 citizens-ATM total 61 free 5 backup 4 lts 0 max-own (+/-)0 
>> 82) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80f61e0 citizens-ATM total 61 free 5 backup 4 lts 0 max-misbal 0 
>> 83) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80f9680 citizens-ATM total 61 free 8 backup 8 lts 0 max-own (+/-)0 
>> 84) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80f9680 citizens-ATM total 61 free 8 backup 8 lts 0 max-misbal 0 
>> 85) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80fc328 citizens-ATM total 61 free 6 backup 9 lts -1 max-own (+/-)0 
>> 86) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80fc328 citizens-ATM total 61 free 6 backup 9 lts -1 max-misbal 0 
>> 87) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80ff7c8 citizens-ATM total 61 free 10 backup 9 lts 0 max-own (+/-)0 
>> 88) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80ff7c8 citizens-ATM total 61 free 10 backup 9 lts 0 max-misbal 0 
>> 89) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 8102470 citizens-ATM total 125 free 22 backup 23 lts 0 max-own (+/-)0 
>> 90) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 8102470 citizens-ATM total 125 free 22 backup 23 lts 0 max-misbal 1 
>> 91) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80d81f8 citizens-ethernet total 61 free 18 backup 17 lts 0 max-own
>> (+/-)0 
>> 92) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80d81f8 citizens-ethernet total 61 free 18 backup 17 lts 0 max-misbal
>>     
> 1 
>   
>> 93) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 80db688 citizens-ethernet total 253 free 123 backup 129 lts -3 max-own
>> (+/-)3 
>> 94) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 80db688 citizens-ethernet total 253 free 123 backup 129 lts -3
>> max-misbal 5 
>> 95) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd peer patriot: Got
>> POOLREQ, answering negatively! Peer may be out of leases or database
>> inconsistent. 
>> 96) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd pool response: 0
>> leases 
>> 97) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 81087a0 citizens-paradyne total 28 free 11 backup 10 lts 0 max-own
>> (+/-)0 
>> 98) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 81087a0 citizens-paradyne total 28 free 11 backup 10 lts 0 max-misbal
>>     
> 0 
>   
>> 99) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balancing pool
>> 8109e10 citizens-paradyne total 29 free 15 backup 14 lts 0 max-own
>> (+/-)0 
>> 100) 2007-10-16 07:20:00 EDT (-0400) patriot-1 dhcpd balanced pool
>> 8109e10 citizens-paradyne total 29 free 15 backup 14 lts 0 max-misbal
>>     
> 1 
>   
>>
>>
>>   
>>     
>
>   
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