Some systems are experiencing issues

About This Site

Welcome on the T2B Cluster status page.

Please find status information about critical T2B cluster components, incidents and planned maintenance.

Mail subscription is available to get a notification when a component status change.

Stickied Incidents

Friday 31st October 2025

Mass Storage (/pnfs) /pnfs has sometime issues

Hello,

For the last few days, /pnfs is having performance issues, while some storage nodes can't serve files. We have not identified the cause yet.

Mainly cd/ls becomes slow, and only a restart of the service makes it work fast again. Also, a couple of storage nodes have a hard time serving files (hence why some of your files have issues), this usually solves itself after a while.

Cheers, The T2B IT Team

Past Incidents

Saturday 23rd March 2024

No incidents reported

Friday 22nd March 2024

No incidents reported

Thursday 21st March 2024

No incidents reported

Wednesday 20th March 2024

Mass Storage (/pnfs) pnfs slowness

Hello,

Unfortunately /pnfs is under heavy pressure from CMS global redirector. The server load goes above 30k, which slows everything down. Everythin works, but slowly ...

We've stopped the redirector service for a few hours since yesterday, and while off everything works fine. We're trying regularly to make it work again, so if you find periods of slowness it is unfortunately unavoidable.

We'll inform you as soon as the the situation is resolved.

Cheers, The IT Team

  • Hello,

    We have found a fix and applied it to make sure the xrootd storm will not happen again and impact negatively all pnfs transfers.

    Cheers, Romain

    • Tuesday 19th March 2024

    No incidents reported

    Monday 18th March 2024

    No incidents reported

    Sunday 17th March 2024

    No incidents reported