'succesful' nsupdate of remote server not persistent across nameserver restart?

[Phil Mayers]

On 30/04/16 04:49, jasonsu at mail-central.com wrote:
> Hi
>
> On Fri, Apr 29, 2016, at 08:42 PM, Mark Andrews wrote:
>> Just give it time.  The zone contents are the masterfile + journal.
>> The masterfile only gets written periodically as it can be a expensive
>> operation.
>
> Sure, under normal operation, as I understand it.
>
> IIUC, though, a nameserver restart is supposed to force the write-to-journal immediately, right?

No, I don't think so.

Perhaps the behaviour in flush-zones-on-shutdown (which defaults to 
"no") is what you're thinking of?

See also "rndc sync".