[Beowulf] Lustre Upgrades
pbisbal at pppl.gov
Wed Jul 25 13:36:23 PDT 2018
Paging Dr. Joe Landman, paging Dr. Landman...
On 07/24/2018 10:19 PM, James Burton wrote:
> Does anyone have any experience with how BeeGFS compares to Lustre?
> We're looking at both of those for our next generation HPC storage
> Is CephFS a valid option for HPC now? Last time I played with CephFS
> it wasn't ready for prime time, but that was a few years ago.
> On Tue, Jul 24, 2018 at 10:58 AM, Joe Landman <joe.landman at gmail.com
> <mailto:joe.landman at gmail.com>> wrote:
> On 07/24/2018 10:31 AM, John Hearns via Beowulf wrote:
> Forgive me for saying this, but the philosophy for software
> defined storage such as CEPH and Gluster is that forklift
> style upgrades should not be necessary.
> When a storage server is to be retired the data is copied onto
> the new server then the old one taken out of service. Well,
> copied is not the correct word, as there are erasure-coded
> copies of the data. Rebalanced is probaby a better word.
> This ^^
> I'd seen/helped build/benchmarked some very nice/fast CephFS based
> storage systems in $dayjob-1. While it is a neat system, if you
> are focused on availability, scalability, and performance, its
> pretty hard to beat BeeGFS. We'd ($dayjob-1) deployed several
> very large/fast file systems with it on our spinning rust, SSD,
> and NVMe units.
> Joe Landman
> e: joe.landman at gmail.com <mailto:joe.landman at gmail.com>
> t: @hpcjoe
> w: https://scalability.org
> g: https://github.com/joelandman
> l: https://www.linkedin.com/in/joelandman
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> James Burton
> OS and Storage Architect
> Advanced Computing Infrastructure
> Clemson University Computing and Information Technology
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> Anderson, SC 29625
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