SRA 4.0 Released! ActiveDR support

We just released our latest version of our Storage Replication Adapter, version 4.0 for VMware Site Recovery Manager. There are a lot of enhancements in this release and improvements–if you are on 3.1 (or certainly earlier) I recommend an upgrade when you get a chance.

For all the need-to-know information (release notes, user guide, videos, download link, etc.) see here:

https://support.purestorage.com/Solutions/VMware_Platform_Guide/Quick_Reference_by_VMware_Product_and_Integration/Site_Recovery_Manager_Quick_Reference

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Disk.DiskMaxIOSize and the Blue Screen of Death

While the title of this post does sound like a halfway decent Harry Potter novel, this is far more nefarious. Pure Storage, like many other vendors have a best practice around lowering the Disk.DiskMaxIOSize setting on ESXi hosts when using UEFI boot for your Windows VMs. Why? Well:

Yes not having it set in a few situations would cause BSOD. First off, why?

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What’s New in Purity 6.0: ActiveDR

I have already posted about ActiveDR briefly here:

I wanted to go into more detail on ActiveDR (and more) in a “What’s New” series. One of the flagship features of the Purity 6.0 release is what we call ActiveDR. ActiveDR is a continuous replication feature–meaning it sends the new data over to the secondary array as quickly as it can–it does not wait for an interval to replicate.

For the TL;DR, here is a video tech preview demo of the upcoming SRM integration as well as setup of ActiveDR itself

But ActiveDR is much more than just data replication is protects your storage environment. Let me explain what that means.

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Default FlashArray Connection With PowerShell

In the VMware Pure PowerShell module (PureStorage.FlashArray.VMware) there is a default array connection stored in a global variable called $Global:DefaultFlashArray and all connected FlashArrays in $Global:AllFlashArrays. The VMware/Pure PowerShell module automatically uses what is in the “default” variable.

The underlying “core” Pure Storage PowerShell module (PureStoragePowerShellSDK) does not yet take advantage of global connections. So for each cmdlet you run, you must pass in the “array” parameter. For example to get all of the volumes from an array:

Kind of annoying if you are interactively running commands and only have one array connection you care about (or one that you primarily care about).

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Testing New SRA Release with a 2nd SRM Pair

At the time of writing this post we are currently at work on our next release of our Storage Replication Adapter for the FlashArray. In a discussion with a customer who needs the feature that we are adding (what a nice coincidence!) the question came up, “what is the best way to test?”. They want to test the SRA without fouling up their production SRM environment.

So a simple answer is well deploy two new vCenters and a SRM pair. But that requires certain hosts and similar network configuration and authentication, etc. etc. So they wanted to use their existing vCenters but NOT their existing SRM servers.

SRM used to be a fairly rigid tool (for good reason, let’s not break your DR). But in the past few years VMware has really opened it up. Loosened the tight vCenter version to SRM version, shared recovery sites, and multiple SRM pairs per vCenter pair. This is where we come in.

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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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Registering VASA with PowerShell

Registering VASA providers is the first step in setting up VVols for a given vCenter, so automating this process is something that might be of interest to folks. We currently have this process in our vSphere Plugin, as well as in our vRO plugin, and of course you can do it manually. What about PowerShell? Well we have that too!

In our PowerShell Pure/VMware module there are three new cmdlets:

  • new-pfavasaprovider
  • get-pfavasaprovider
  • remove-pfavasaprovider
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First Class Disks and VVols

One of the major advantages we have seen with VVols is making a virtual disk a first class citizen on the array. We can restore, copy, replicate them (and their VMs) as storage objects were meant to be restored, copied, replicated etc.

Though one thing about virtual disks is that by default–they are not first class citizens in vSphere, VVols or otherwise. To create one, it has to be associated with a VM.

To retrieve one in PowerCLI (for example) get-harddisk requires a datastore or a VM to return a result:

Same if I want to create a new one:

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Revamped PowerShell Module for Pure and VMware

About 6 months ago, my esteemed colleague Barkz blogged about our path forward with PowerShell. We have an official PowerShell SDK for managing the FlashArray–but it is limited to that: doing stuff to the FlashArray.

So to add value and make managing it within context of the layers you actually manage your infrastructure from (VMware, Microsoft, etc.) we created some value-add PowerShell modules to make it easier. Barkz talks about them here:

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Pure Storage Plugin v3 for vRealize Orchestrator

We just released an updated plugin for vRO today that is fully certified by VMware and is available on the VMware marketplace:

Download it here.

What are the new features? Well a lot–some various bug fixes, but this is mostly about new features:

  • ActiveCluster support
  • Enhanced protection group information
  • Throughput limits
  • Volume Groups
  • Pure1 REST API integration
  • Protocol Endpoints
  • Host Personality
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