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SCSI Express from HP Discover

by on 12-06-2011 04:32 AM

CartoonCalvin100X100.JPG By Calvin Zito, @HPStorageGuy

 

While wandering around the HP Discover Zone (demo area) last week in Vienna, I bumped into my colleague Lee Johns checking out a booth that said SCSI Express.  I knew there was a briefing by the SCSI Express team in the bloggers lounge but missed it and I didn't know what it was.  So I took the opportunity to ask Lee, who is the Director of Converged Storage, to explain it to me.  We did a podcast on the spot!  We then talked to Joe Foster in the booth to go a bit deeper on the topic. 

 

SCSI Express fits perfectly into our converged storage strategy.  SCSI Express is a next generation IO that will improve performance and latency within a server - and if you've been paying attention to what we're doing at HP Storage, we'll be able to take advantage of that with many of our storage products like the P4000 LeftHand and StoreOnce Backup System. 

 

Here's that podcast with Lee and Joe:

 

 

You can also download this podcast by right-clicking here and saving the file OR you can download all of my podcasts from iTunes by clicking here - it will open iTunes and allow you to download all of my recent podcasts.  If you have any issues with this second link, paste this into your browser: itpc://recordings.talkshoe.com/rss69339.xml.   "itpc" is a special format that opens iTunes and lets you download the podcasts from iTunes. 

 

I have a couple of images to share with you as well - images that we discuss in the podcast.  First, here's what a SCSI Express card looks like:

 

P1090669.JPG

 

Joe and I looked at the performance of a single SSD drive connected to a ProLiant server via SCSI Express and a number of SAS-based SSD's connected to a ProLiant server through an HBA on the SCSI Express card. 

 

SCSI Express Performance.jpg

 

Nigel Poulton is a blogger who was at HP Discover and I invited to join our briefings in the bloggers lounge.  I think he must have went to the briefing we had on SCSI Express because he has a technical deep dive on SCSI Express titled I've seen the future of SSD Arrays. This isn't for the faint of heart but explains the technology much more than we did in our 8 minute podcast.  

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by Chris McCall(anon) on 12-07-2011 08:31 PM
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Great post Calvin. I think HP is spot on to focus on developing a new storage interconnect.  The leverage with what's going on with blade infrastructure and virtual switching could be tremendous.   I've been reading up on the NVM Express initiative, have you guys done a head to head compare/contrast with that approach?  Hope to catch up soon!

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by on 12-08-2011 12:22 AM
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Hey Chris - nice to hear from you.  I didn't know about SCSI Express until I saw it at HP Discover.  The team driving this is the ProLiant team but they're my new best friends so I'll be asking lots of questions!

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About the Author
  • 25+ years experience around HP Storage. The go-to guy for news and views on all things storage..
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