Sherlock changelog

Sherlock changelog

www.sherlock.stanford.edu

Final hours announced for the June 2023 SRCF downtime

by Kilian Cavalotti, Technical Lead & Architect, HPC
Maintenance
Announce
As previously announced, the Stanford Research Computing Facility (SRCF), where Sherlock is hosted, will be powered off during the last week of June, in order to safely bring up power to the new SRCF2 datacenter. Sherlock will not be
Final hours announced for the June 2023 SRCF downtime

A new tool to help optimize job resource requirements

by Kilian Cavalotti, Technical Lead & Architect, HPC
It’s not always easy to determine the right amount of resources to request for a computing job. Making sure that the application will have enough resources to run properly, but avoiding over-requests that would make the jobs spend too much
Documentation
Scheduler
Improvement

SRCF is expanding

by Kilian Cavalotti, Technical Lead & Architect, HPC
Maintenance
In order to bring up a new building that will increase data center capacity, a full SRCF power shutdown is planned for late June 2023. It’s expected to last about a week, and Sherlock will be unavailable during that time.
SRCF is expanding

Job #1, again!

by Kilian Cavalotti, Technical Lead & Architect, HPC
This is not the first time, we’ve been through this already (not so long ago, actually) but today, the Slurm job id counter was reset and went from job #67043327 back to job #1.
Event
Scheduler

3.3 PFlops: Sherlock hits expansion milestone

by Kilian Cavalotti, Technical Lead & Architect, High Performance Computing
Hardware
Event
Sherlock is a traditional High-Performance Computing cluster in many aspects. But unlike most of similarly-sized clusters where hardware is purchased all at once, and refreshed every few years, it is in constant evolution. Almost like a
3.3 PFlops: Sherlock hits expansion milestone

Tracking NFS problems down to the SFP level

by Kilian Cavalotti
Blog
Data
Hardware
When NFS problems turn out to be... not NFS problems at all.
Tracking NFS problems down to the SFP level

Sherlock facts

by Kilian Cavalotti
Data
Improvement
Ever wondered how many compute nodes is Sherlock made of? Or how many users are using it? Or how many Infiniband cables link it all together? Well, wonder no more: head to the Sherlock facts page and see for yourself! > hint: there are...
Sherlock facts

Job #1

by Kilian Cavalotti
If you've been submitting jobs on Sherlock over the last couple days, you probably noticed something different about your your job ids... They lost a couple digits! If you submitted a job last week, its job id was likely in the 67,000...
Event
Scheduler

Adventures in storage

by Kilian Cavalotti
_This is part of our blog series about behind-the-scenes things we do on a regular basis on Sherlock, to keep it up and running in the best possible conditions for our users. Now that Sherlock's old storage system has been retired, we...
Blog
Hardware
Data