timestamp1679706261451A new tool to help optimize job resource requirementsby Kilian Cavalotti, Technical Lead & Architect, HPCIt’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
timestamp1677204000000SRCF is expandingby Kilian Cavalotti, Technical Lead & Architect, HPCMaintenanceIn 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.
timestamp1667700685989Job #1, again!by Kilian Cavalotti, Technical Lead & Architect, HPCThis 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.
timestamp1622751520986A new interactive step in Slurmby Kilian Cavalotti, Technical Lead & Architect, HPCA 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
timestamp16174080000003.3 PFlops: Sherlock hits expansion milestoneby Kilian Cavalotti, Technical Lead & Architect, High Performance ComputingHardwareEventSherlock 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
timestamp1612549200000Tracking NFS problems down to the SFP levelby Kilian CavalottiBlogDataHardwareWhen NFS problems turn out to be... not NFS problems at all.
timestamp1589227740001Job #1by Kilian CavalottiIf 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...
timestamp1586876640001Sherlock is hard at work against COVID-19by Kilian CavalottiAbout a month ago, we announced that we were dedicating a portion of Sherlock's computing resources to research projects around COVID-19. Since then, more than 15 PIs and research groups have reached out to share their projects, and...
timestamp1575415800001Adventures in storageby 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...
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