Intel Micron unveil new 3D XPoint Non Volatie Memory NVM for servers storage

Friday, July 31st, 2015

3D XPoint NVM persistent memory PM storage class memory SCMUpdated 1/31/2018This is the first of a three-part series on Intel Micron unveil new 3D XPoint Non Volatie Memory NVM for servers storage announcement. Read Part II here and Part III here. In a webcast the other day, Intel ...

How to test your HDD SSD or all flash array (AFA) storage fundamentals

Saturday, March 7th, 2015

How to test your HDD SSD AFA Hybrid or cloud storageUpdated 2/14/2018Over at BizTech Magazine I have a new article 4 Ways to Performance Test Your New HDD or SSD that provides a quick guide to verifying or learning what the speed characteristic of your new storage device are capable ...

I/O, I/O how well do you know good bad ugly server storage I/O iops?

Sunday, February 1st, 2015

How well do you know good bad ugly I/O iops?Updated 2/10/2018There are many different types of server storage I/O iops associated with various environments, applications and workloads. Some I/Os activity are iops, others are transactions per second (TPS), files or messages per time (hour, minute, second), gets, puts or other ...

Revisiting RAID data protection remains relevant resource links

Tuesday, December 23rd, 2014

Revisiting RAID data protection remains relevant and resourcesUpdated 2/10/2018RAID data protection remains relevant including erasure codes (EC), local reconstruction codes (LRC) among other technologies. If RAID were really not relevant anymore (e.g. actually dead), why do some people spend so much time trying to convince others that it is dead ...

Server and Storage IO Memory: DRAM and nand flash

Monday, August 12th, 2013

DRAM, DIMM, DDR3, nand flash memory, SSD, stating what's often assumed Often what's assumed is not always the case. For example in along with around server, storage and IO networking circles including virtual as well as cloud environments terms such as nand (Negated AND or NOT And) flash memory aka (Solid ...

Can we get a side of context with them IOPS server storage metrics?

Tuesday, July 16th, 2013

Can we get a side of context with them server storage metrics?Updated 2/10/2018Whats the best server storage I/O network metric or benchmark? It depends as there needs to be some context with them IOPS and other server storage I/O metrics that matter. There is an old saying that the best I/O ...

Part II: How many IOPS can a HDD HHDD SSD do with VMware?

Sunday, May 19th, 2013

How many IOPS can a HDD HHDD SSD do with VMware?Updated 2/10/2018This is the second post of a two-part series looking at storage performance, specifically in the context of drive or device (e.g. mediums) characteristics of How many IOPS can a HDD HHDD SSD do with VMware. In the first ...

How many I/O iops can flash SSD or HDD do?

Sunday, May 19th, 2013

How many i/o iops can flash ssd or hdd do with vmware?Updated 2/10/2018A common question I run across is how many I/O iopsS can flash SSD or HDD storage device or system do or give. The answer is or should be it depends. This is the first of a two-part series looking ...

Trick or treat and vendor fun games

Sunday, October 14th, 2012

Trick or treat and vendor fun games Updated 6/26/18In the spirit of Halloween and zombies season, a couple of thoughts come to mind about vendor tricks and treats. This is an industry trends and perspectives post, part of an ongoing series looking at various technology and fun topics. The first ...

What is the best kind of IO? The one you do not have to do

Thursday, May 3rd, 2012

What is the best kind of IO? The one you do not have to doUpdated 2/10/2018What is the best kind of IO? If no IO (input/output) operation is the best IO, than the second best IO is the one that can be done as close to the application and processor ...

As the Hard Disk Drive HDD continues to spin

Monday, January 3rd, 2011

As the Hard Disk Drive HDD continues to spinUpdated 2/10/2018Despite having been repeatedly declared dead at the hands of some new emerging technology over the past several decades, the Hard Disk Drive (HDD) continues to spin and evolve as it moves towards its 60th birthday. More recently HDDs have been declared ...

What is DFR or Data Footprint Reduction?

Friday, September 17th, 2010

What is DFR or Data Footprint Reduction?Updated 10/9/2018What is DFR or Data Footprint Reduction? Data Footprint Reduction (DFR) is a collection of techniques, technologies, tools and best practices that are used to address data growth management challenges. Dedupe is currently the industry darling for DFR particularly in the scope or context ...

What is the Future of Servers?

Monday, November 23rd, 2009

Recently I provided some comments and perspectives on the future of servers in an article over at Processor.com.In general, blade servers will become more ubiquitous, that is they wont go away, rather become more common place with even higher density processors with more cores and ...

Should Everything Be Virtualized?

Monday, October 19th, 2009

Should everything, that is all servers, storage and I/O along with facilities, be virtualized? The answer not surprisingly should be it depends! Denny Cherry (aka Mrdenny) over at ITKE did a great recent post about applications not being virtualized, particularly databases. In general some of the points or ...