Sherlock changelog

Sherlock goes full flash

by Stéphane Thiell & Kilian Cavalotti, Research Computing Team
Data
Hardware
Improvement
What could be more frustrating than anxiously waiting for your computing job to finish? Slow I/O that makes it take even longer is certainly high on the list. But not anymore! Fir, Sherlock’s scratch file system, has just undergone a major

Instant lightweight GPU instances are now available

by Kilian Cavalotti, Technical Lead & Architect, HPC
New
Hardware
We know that getting access to GPUs on Sherlock can be difficult and feel a little frustrating at times. Which is why we are excited to announce the immediate availability of our new instant lightweight GPU instances!

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

ClusterShell on Sherlock

by Kilian Cavalotti, Technical Lead & Architect, HPC
Software
New
Ever wondered how your jobs were doing while they were running? Keeping a eye on a log file is nice, but what if you could quickly gather process lists, usage metrics and other data points from all the nodes your multi-node jobs are running

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

Keep up to date with software updates

by Kilian Cavalotti, Technical Lead & Architect, HPC
To help users stay on top of software changes on Sherlock, we’ve recently introduced a new software updates RSS feed. It’s available from the Sherlock software list page, and you can directly add it to your RSS reader of choice. And if
Software
Update

A new interactive step in Slurm

by Kilian Cavalotti, Technical Lead & Architect, HPC
A new version of the sh_dev tool has been released, that leverages a recently-added Slurm feature. Slurm 20.11 introduced a new“interactive step”, designed to be used with salloc to automatically launch a terminal on an allocated compute
Improvement
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

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.