Good read on market sizing for VCs and entrepreneurs

Not a how to guide, but a higher level meta discussion … about that market size discussion. See here. I’ve experienced the endless cycle of meetings over “size of market”. Not fun. These days, I have a very simple classifier with respect to investors. foreach investor (list_of_investors) { if (investor->says_yes_sends_term_sheet_and_check) { put_money_to_work_building_value() } else { … Read moreGood read on market sizing for VCs and entrepreneurs

Bots on Amazon?

Seeing lots of these in my web server logs: https://scalableinformatics.com/?p=%3Cscript%3Ealert(document.cookie)%3C/script%3E which are sent there from a sentinel redirection mechanism on a different web server. A number, maybe 10 or so? Amazon hosts are now doing this. I am guessing this would be real darned easy to trace back to the sources. And either someone’s instance … Read moreBots on Amazon?

Watching dracut, udev, systemd, and plymouth all battle each other for nfs/ramboot

I can’t even begin to describe the complete and utter broken-ness of this mess. This doesn’t look like systemd issue, its just the poor stack trying to get everything else working. But plymouth. Seriously. It should be given the old-yeller treatment. And watching udev not … settle … is … amusing. While its doing that, … Read moreWatching dracut, udev, systemd, and plymouth all battle each other for nfs/ramboot

Testing a new @scalableinfo Unison #Ceph appliance node for #hpc #storage

Simple test case, no file system … using raw devices, what can I push out to all 60 drives in 128k chunks. Actually this is part of our burn-in test series, I am looking for failures/performance anomalies. —-total-cpu-usage—- -dsk/total- -net/total- —paging– —system– usr sys idl wai hiq siq| read writ| recv send| in out | … Read moreTesting a new @scalableinfo Unison #Ceph appliance node for #hpc #storage

10TB PMR drives for Unison #hpc #storage systems, think 600TB/4U unit with @BeeGFS, @Ceph, and others

WD/HGST just released details on a PMR (aka “real”, non-archive class) hard disk. You can read the specs here. We will be offering these in Unison HPC storage systems, to provide up to 600TB/4U unit, or up to 6PB per rack of 10 unison chassis. Coupled with our 100Gb fabric, we expect to be able … Read more10TB PMR drives for Unison #hpc #storage systems, think 600TB/4U unit with @BeeGFS, @Ceph, and others