Ok … very long story that boils down to us trying to help a customer out. I am trying to avoid the “lets just add another user to /etc/passwd” or similar such thing. And they aren’t quite ready to hook into AD or similar. So we have this issue. I want to enable their nodes … Read more It is 2016 … why am I fighting with LDAP authentication in linux? Why doesn't it just work?
TL;DR version: 10GB/s write, 10GB/s read in a single 2U unit over 100Gb network to a backing file system. This is tremendous. The system and clients are using our default tuning/config. Real hyperconvergence requires hardware that can move bits to/from storage/networking very quickly. This is that. These units are available. Now. In volume. And are … Read more Not even breaking a sweat: 10GB/s write to single node Forte unit over 100Gb net #realhyperconverged #HPC #storage
I am trying to help people conceptualize the experience. Here is a video depicting very fast, very powerful cars and their sound signatures. This is a good start. Take one of those awesome machines, and turn off half the engine. So it is literally running with 1/2 of its power turned off. Remember this. There … Read more Massive unapologetic storage firepower part 4: On the test track with a Forte unit … vaaaaROOOOOOMMMMMMM!!!!!
An article appeared on HN this morning. In it, the author noted that all was not well with the universe, as their backup, using Amazon’s Glacier product, wound up being quite expensive for a small backup/restore. The OP discovered some of the issues with Glacier when they began the restore (not commenting on performance, merely … Read more "Unexpected" cloud storage retrieval charges, or "RTFM"
Oh no … we didn’t say “face melting” … did we? Oh. Yes. We. Did. The interview is here at the always wonderful InsideHPC.com You can see the video itself here on YouTube, but read Rich’s transcript. I was losing my voice, and he captured all of the interview in text. Take home messages: Insane … Read more Video interview: face melting performance in #hpc #nvme #storage @scalableinfo
Brendan Gregg’s writings are always interesting and informative. I just saw a link on hacker news to a presentation he gave on “Broken Performance Tools“. It is wonderful, and succinctly explains many thing I’ve talked about here and elsewhere, but it goes far beyond what I’ve grumbled over. One of my favorite points in there … Read more A wonderful read on metrics, profiling, benchmarking
Assuming everything goes as planned (HA!) we should have a number of very cool things at SC15. 100Gb Unison storage system with BeeGFS 100Gb Unison Ceph system 100Gb connection to a partner/customer booth Forte 100Gb is awesome. The first time I ran an iperf bidirectional test, saw 20GB/s … it blew me away. 40/56GbE is … Read more Shiny #HPC #storage things at #SC15
The Register has a great article on storage unicorns. Unicorns are not necessarily mythical creatures in this context, but very high valuation companies that appear to defy “standard” valuation norms, and hold onto their private status longer than those in the past. That is, they aren’t in a rush to IPO or get acquired. Comment … Read more On storage unicorns and their likely survival or implosion
For months I’ve been noting that email to my 2 different GMail accounts (one for work on the business side using the Google Apps for business, and yes, paid for … and one for personal) are not getting all the emails sent to it. I’ve had customers reach out to me here at this site, … Read more Gmail lossy email system
Our machines will be there, helping power the genomics pipelines to tremendous performance. Performance is an enabling feature. Without it you cannot even begin to hope to perform massive scale analytics. With it, you can dream impossible dreams. This article came out talking about a massive performance analytics pipeline at Nationwide Children’s Hospital in Ohio. … Read more When the revolution hits in force …