[Opendnssec-user] ods-hsmutil

Paul Wouters paul at nohats.ca
Thu Jul 26 21:35:32 UTC 2012

On Thu, 26 Jul 2012, Yuri Schaeffer wrote:

> In my opinion ODS is not a component that _must_ offer uninterrupted
> service so failover does not really make sense to me. If your ODS
> instance would crash and burn you would have plenty of time to recover
> from it using your backups. Your zones will be still up and signed
> during that time.

If a large TLD gets a new registration, it needs to go out in minutes.
So a signer always needs to be ready to sign right now. Therefor, TLDs
or other large/dynamic zones will always need to have the option to
switch from one hardware setup to another (identical) one.
There is no time to go jump in a car and drive to a data centre.

> That being said, how about a feature where you can bootstrap a fresh ODS
> install with only a HSM (backup), config files and a signed
> zonefile/axfr? Sane states could then be derived for the rollovers. In
> this case loss of the db files is not fatal.
> Would something like that be helpful for your application?

I'm not sure what this will yield. What I'm looking for is that if I
pre-generate 3 years of keys into different HSMs, and then backup
the kasp.db, that I can bootstrap multiple signers that would perform
rollovers within the same hour indepentantly - solely based on having
identical keys on the HSM and an identical kasp.db.

> //yuri
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