Tag Archives: pure

Can Pure make cloud storage better?

Cloud Block Store is now GA! About a year ago, we announced our intentions–to bring Purity (the OS for the FlashArray) to AWS. I wrote a post about it here:

https://www.codyhosterman.com/2018/11/announcing-pure-storage-cloud-block-store-for-aws/

In the past 10 months I have been pretty focused on learning AWS. Not just how to use it, but more importantly, how others are using it. It has been a fun ride–definitely already incorporated some of my learnings into my solution work for on-premises integration and have some cool stuff coming. A lot of my work has been of course on using it, how to deploy EC2, how to deploy VMware Cloud on AWS, managing S3, CloudFormations, IAM, SSM, using the billions of other services in AWS. But much of my focus has been on listening to what people have seen, learned, and want to do with public cloud. AWS and the like have had a decent amount of runway now, so there have certainly been some lessons learned.

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Pure Storage at VMworld 2019 US

Well it’s that time of year again. Well it’s a bit past that time of year again–I should have written this a few weeks ago, but I’ve been busy! So deal with it!

Anyways, what’s going on this year at VMworld when it comes to Pure? Well a fair amount!

So first, sessions!

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Changing the default VMware Round Robin IO Operation Limit value for Pure Storage FlashArray devices

This is a topic I have posted about in the past but this time I am going to speak about it with the Pure Storage FlashArray. Anyone familiar with the VMware Native Multipathing Plugin probably knows about the Round Robin “IOPS” value which I will interchangeably also refer to as the IO Operation Limit. This value dictates how often NMP switches paths to the device–after a configured number of I/Os NMP will move to a different path. The default value of this is 1,000 but can be changed to as low as 1.¬†For the highest performance Pure recommends changing this setting to 1 for all devices. The tricky thing is that it has to be done for every device on every host and doing this in a simple way isn’t immediately obvious. But here is the procedure.

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My next chapter: Pure Storage

Short FYI post here. As some of you know I had my last day at EMC Corporation recently and started at Pure Storage this week. I worked at EMC from 2008 (right out of college) and felt it was time for me to personally and professionally to make a change and try something new and different. A great opportunity at Pure came up and I jumped on it!

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