Issue with extending experiment with already reserved resources

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JooYoung Park

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Feb 16, 2026, 9:16:59 AMFeb 16
to cloudlab-users
Dear Cloudlab admins,

I have an issue with extending my experiment, even if I have reserved nodes.

I think something went wrong with the reservation logic.

Please take a look.


Best,
JooYoung Park

Leonid Kondrashov

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Feb 16, 2026, 10:20:55 AMFeb 16
to cloudlab-users
Hello, I have a related issue for the same cluster.

At the exact same time (6am SGT Feb 17th), in the available nodes, I see -1, and it blocks me from creating the reservation, even for some time in the future (see attached pictures). The reservation is for the 19th of Feb, but the reservation form is complaining that on 17th there are not enough nodes.
Screenshot 2026-02-16 231504.pngScreenshot 2026-02-16 231723.png


Regards,
Leonid

Mike Hibler

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Feb 16, 2026, 10:54:37 AMFeb 16
to cloudla...@googlegroups.com
We have worked around this overbook situation. You should now be able to
schedule c6620 nodes again.

On Mon, Feb 16, 2026 at 07:20:55AM -0800, Leonid Kondrashov wrote:
> Hello, I have a related issue for the same cluster.
>
> At the exact same time (6am SGT Feb 17th), in the available nodes, I see -1,
> and it blocks me from creating the reservation, even for some time in the
> future (see attached pictures). The reservation is for the 19th of Feb, but the
> reservation form is complaining that on 17th there are not enough nodes.
> Screenshot 2026-02-16 231504.pngScreenshot 2026-02-16 231723.png
>
>
> Regards,
> Leonid
> On Monday, February 16, 2026 at 10:16:59 PM UTC+8 jooyoun...@gmail.com wrote:
>
> Dear Cloudlab admins,
>
> I have an issue with extending my experiment, even if I have reserved
> nodes.
>
> I think something went wrong with the reservation logic.
>
> Please take a look.
>
> https://www.cloudlab.us/status.php?uuid=
> e8a9548d-526f-464b-9d34-b2d4c6c47f68
>
> Best,
> JooYoung Park
>
> --
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> 4ebbd16d-aa3d-469b-802e-f4c84bfb73cfn%40googlegroups.com.



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