IMPORTANT: Google CT logs will be temporarily read-only for maintenance

[Pavel Kalinnikov]

Hi everyone,

We are planning to perform maintenance work on the following Google CT logs

aimed at improving their reliability:

• Nov 12, 2018: Daedalus (ct.googleapis.com/daedalus)

• Nov 14, 2018: Icarus (ct.googleapis.com/icarus)

• Nov 19, 2018: Rocketeer (ct.googleapis.com/rocketeer)

• Nov 21, 2018: Pilot (ct.googleapis.com/pilot)

• Nov 26, 2018: Skydiver (ct.googleapis.com/skydiver)

• Nov 28, 2018: Submariner (ct.googleapis.com/submariner)

Each of these logs, during their corresponding day, will be read-only (i.e. reject add-chain and add-pre-chain calls) starting approximately 11:00 London time. We expect the maintenance period to last 2-4 hours. We will send notifications when it starts and ends. In accordance with the Chrome Log Policy we measure availability in a 90 day moving window. At the moment, availability of all the listed logs is above 99.9%. With this in mind, our unavailability capacity for the current window is at least 19 hours, which will be enough for completing the maintenance. During the days of maintenance we recommend you submit (pre-)certificates to alternative Google logs. For example, you may use Skydiver as a substitute for

Pilot on Nov 21, and the other way around on Nov 26.

Please forward this message to people who might be impacted.

Thank you,

Pavel on behalf of Google CT team

[Pavel Kalinnikov]

Hi everyone,

Just a reminder: maintenance works will start this coming week.

Also, we have slightly changed the plan. The first maintenance day (for Daedalus) will be Tue, Nov 13. This is due to my poor timezone calculus skills combined with a travel from California back to London. My apologies for the last minute change. Note that the rest of the plan remains intact.

Cheers,

Pavel

[Pavel Kalinnikov]

Hi everyone,

We are about to start with Daedalus.

Thanks,

Pavel

[Pavel Kalinnikov]

Hello again,

Daedalus is now completed (about an hour ago, actually). You can resume writes to it.

Thanks,

Pavel

[Pavel Kalinnikov]

Hi all,

We are starting works on Icarus. Good luck to us.

Pavel

[Rob Stradling]

Hi Pavel. Thanks for the reminder. I'm sure you've got it all under
control. Just remember to not fly too near the sun on wings of feathers
and wax. ;-)

On 14/11/2018 11:12, 'Pavel Kalinnikov' via Certificate Transparency

> *
>
> Nov 12, 2018: Daedalus (ct.googleapis.com/daedalus
> <https://ct.googleapis.com/daedalus>)
>
> *
>
> Nov 14, 2018: Icarus (ct.googleapis.com/icarus
> <https://ct.googleapis.com/icarus>)
>
> *
>
> Nov 19, 2018: Rocketeer (ct.googleapis.com/rocketeer
> <https://ct.googleapis.com/rocketeer>)
>
> *
>
> Nov 21, 2018: Pilot (ct.googleapis.com/pilot
> <https://ct.googleapis.com/pilot>)
>
> *
>
> Nov 26, 2018: Skydiver (ct.googleapis.com/skydiver
> <https://ct.googleapis.com/skydiver>)
>
> *
>
> Nov 28, 2018: Submariner
> (ct.googleapis.com/submariner
> <https://ct.googleapis.com/submariner>)

>
>
> Each of these logs, during their corresponding day, will
> be read-only (i.e. reject add-chain and add-pre-chain
> calls) starting approximately 11:00 London time. We
> expect the maintenance period to last 2-4 hours. We will
> send notifications when it starts and ends. In
> accordance with the Chrome Log Policy we measure
> availability in a 90 day moving window. At the moment,
> availability of all the listed logs is above 99.9%. With
> this in mind, our unavailability capacity for the
> current window is at least 19 hours, which will be
> enough for completing the maintenance. During the days
> of maintenance we recommend you submit
> (pre-)certificates to alternative Google logs. For
> example, you may use Skydiver as a substitute for
>
> Pilot on Nov 21, and the other way around on Nov 26.
>
> Please forward this message to people who might be impacted.
>
>
> Thank you,
>
> Pavel on behalf of Google CT team

--
Rob Stradling
Senior Research & Development Scientist
Email: r...@sectigo.com

[Pavel Kalinnikov]

Thanks Rob :)

The operation is completed. You may resume using Icarus.

Have a great day,

Pavel

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[Pavel Kalinnikov]

Hello everyone,

We are starting works on Rocketeer in 5 minutes.

Thanks,

Pavel

[Pavel Kalinnikov]

Hi all,

Rocketeer is now fully resumed.

Thanks,

Pavel

[Pavel Kalinnikov]

Hi all,

Today is the Pilot day. Starting now.

Thanks,

Pavel

On Fri, Oct 26, 2018 at 4:07 PM Pavel Kalinnikov <pkali...@google.com> wrote:

[Pavel Kalinnikov]

Hi,

Pilot is writable again.

Thanks,

Pavel

[Pavel Kalinnikov]

Hi CT ecosystem,

We are starting works on Skydiver.

Happy day,

Pavel

On Fri, Oct 26, 2018 at 4:07 PM Pavel Kalinnikov <pkali...@google.com> wrote:

[Pavel Kalinnikov]

Hi all,

This is now completed, Skydiver is writeable.

Thanks,

Pavel

[Pavel Kalinnikov]

Hi everyone,

We are about to start works on Submariner.

Thanks,

Pavel

On Fri, Oct 26, 2018 at 4:07 PM Pavel Kalinnikov <pkali...@google.com> wrote:

[Pavel Kalinnikov]

Hi everyone,

Submariner is now writeable.

Thanks,

Pavel