Serial number question..

[Sten Carlsen]

The modulo arithmetic comes if you need it to be lower than in the slaves since they will consider a lower numbered transfer to be out of date and refuse to update. Meaning you will need to go to the top and round back to where you need to be.

-- 
Best regards 
Sten Carlsen


"No trees were killed in the making of this e-mail... however,
a large number of electrons were terribly inconvenienced."

> On 17 Dec 2020, at 20.02, Reindl Harald <h.reindl at thelounge.net> wrote:
> 
> 
> 
> Am 17.12.20 um 19:56 schrieb Bruce Johnson:
>> Someone updated out name server and messed up the serial number on the primary; as a result our secondaries are not updating properly.
>> Primary:
>> bruces-Mac-Mini:~ johnson$ dig @elixir.pharmacy.arizona.edu -t SOA +noall +answer pharmacy.arizona.edu
>> pharmacy.arizona.edu.	86404	IN	SOA	elixir.pharmacy.arizona.edu. wunz.elixir.pharmacy.arizona.edu. 1297117089 3600 120 1209600 86400
>> Secondaries:
>> bruces-Mac-Mini:~ johnson$ dig @dhbns1.pharmacy.arizona.edu -t SOA +noall +answer pharmacy.arizona.edu
>> pharmacy.arizona.edu.	86404	IN	SOA	elixir.pharmacy.arizona.edu. wunz.elixir.pharmacy.arizona.edu. 1762233707 3600 120 1209600 86400
>> bruces-Mac-Mini:~ johnson$ dig @ns-remote.arizona.edu -t SOA +noall +answer pharmacy.arizona.edu
>> pharmacy.arizona.edu.	86404	IN	SOA	elixir.pharmacy.arizona.edu. wunz.elixir.pharmacy.arizona.edu. 1762233707 3600 120 1209600 86400
>> Is the fix here just setting the serial number on the primary to 1762233708 ?
>> The various things online I’ve found are all based on “you accidentally set the primary more than 2^32 ahead” so you have to do a bunch of modulo arithmetic...
> 
> just set it *higher* on the master and you are done
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