[SAC] [Hosting] MAINTENANCE: Core network migrations - Thursday, Dec 15 2022 2100 UTC

[Lance Albertson]

This maintenance has finally been completed. Unfortunately there were some
longer than expected outages but everything should be back to normal. If
there are any lingering issues, please let us know by sending an email to
support at osuosl.org.

Thank you for your support!

On Wed, Dec 14, 2022 at 1:30 PM Lance Albertson <lance at osuosl.org> wrote:

> All,
>
> Tomorrow starting at 1PM PST (2100 UTC) we will be migrating various fiber
> uplinks to a "new" core router. There will be several small outages while I
> move fiber to the "new" core router. I expect each outage should last no
> longer than 30-60 seconds unless we run into issues.
>
> This will move our core network to a switch topology that has more
> redundancy for our core.
>
> During the same outage window, we will be executing some commands on two
> backend 10G switches which may cause a small outage as well. These switches
> primarily service the arm64/x86 Ceph clusters and the arm64/x86 OpenStack
> compute infrastructure. This is needed so that we can unsplit some of the
> QSFP+ ports to allow for 40Gbps interconnects between the switches and
> eventually set up an MLAG for additional redundancy.
>
> Overall the outage window will last for two (2) hours, but will likely
> take less if we don't run into any issues. I will send an email once
> everything has been finished.
>
> Please let me know if you have any questions or concerns!
>
> Thanks-
>
> --
> Lance Albertson
> Director
> Oregon State University | Open Source Lab
>


-- 
Lance Albertson
Director
Oregon State University | Open Source Lab
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