What you need to know about Azure Premium SSD V2 Disks

in this video we review Azure premium SSD version 2 discs hello everyone I'm Travis and this is rdos in this video we're going to review the new premium SSD V2 manage discs that recently became generally available in Azure before that please like subscribe and share with a friend click the Bell icon for notifications of new content and check out my courses on Azure virtual Desktop Windows 365 and InTune management and hybrid identities with Windows ad and enter ID the links are below and thank you channel members your support is appreciated back to it there are multiple options for manage discs in Azure this includes standard virtual discs with a hard drive or SSD option there are also premium discs and high performance Ultra discs we're going to talk about a new premium option premium SSD V2 we'll compare them with premium manage discs to distinguish the difference before we get into that let's take a quick minute to review two terms related to disk performance iops and throughput iops stands for input output per second and measures the number of transactions that can pass through a dis iops are how many reads or write operations can take place in a second throughput measures the amount of data that can transfer to or from a dis in any given amount of time throughput measures the amount of data that can be processed both are important measurements of storage performance but measure performance differently let's think of a couple couple examples to illustrate the point say we have an application that needs to read and write a lot of small files quickly iops may be the more important measurement of performance for this application if we had to read or write a small number of large files a video streaming application for example throughput may be more important the most important measurement depends on the system or application's requirements next let's talk about sizing for capacity and performance and stay with me this is going to be important when we get to Premium prum SSD V2 discs back in the olden days before the cloud we stored data on dis arrays these were a bunch of dis drives we could pull together to create large logical discs let's say we had an application that had a small but very critical database we need 2,000 iops for a 20 gig database in this example the discs in the array are 25 gigs and 150 iops each for size one 125 gig disc would be sufficient but we also need 2,000 iops one dis is enough for capacity but doesn't meet the 2000 IOP performance requirements in order to get the 2,000 iops we need to pull 14 discs that's 350 gigs of disc space to accommodate the IOP requirement of a 20 gig database that's an example of sizing for performance not capacity we have to look at characteristics Beyond capacity to meet the performance requirements of the database and the additional space can't be used for anything else because because that may impact the available iops by the way I'm not factoring in raid penalties or any other Advanced storage configurations for this example I'm keeping the math simple to illustrate the point anyway with Azure storage we have a similar situation we'll use the same 20 gig and 2,000 IOP database for this example if we size that for a capacity we could get a premium P4 32 gig disc for the database but that's limited to 120 iops and 25 megabytes of throughput there is bursting capacity on a P4 disc but there's limits on bursting and I'm going to assume for this example that the database needs a constant 2,000 iops to get that we need to go with a P20 disc here we're sizing on performance not capacity we'll have 512 gigs of disc space but only need 20 gigs for the database that leads me to the number one advantage of the premium V2 discs with premium SSD V2 we can select size iops and throughput independent ly of each other we can select a disc that meets our capacity and performance requirements the premium SSD V2 disc can be sized from 1 gbyte to 65 terabytes in 1 gig increments they have a baseline iops of 3,000 and scale to 880,000 they have a baseline of 125 megabits per second of throughput and scale up to a peak of 1,200 megabits per second size iops and throughput can be set independently of each other meaning we can size capacity and performance the premium SSD V2 manag discs are intended for applications running on iOS VMS that have specific performance requirements premium V2 has some limitations the first one is a big one they can't be used for an OS dis only a data dis however for databases and other applications hosted on is servers there's still a significant advantage to premium SSD V2 discs there are some other limitations at the the time of this recording they can be encrypted at the host but not with Azure dis encryption they can't attach to VMS in an availability set and Azure site recovery is not supported on host with premium V2 discs Azure backup support is in preview the VM and the managed premium SSD V2 disc must be in the same region and availability Zone also they can't be expanded without first deallocating the VM or detaching the disc and premium V2 discs are not available in every region be sure to reference the documentation to verify these are still limitations if you're considering premium V2 discs the link is below coming up we're going to use the pricing calculator to review the cost difference between premium and premium SSD V2 discs and then create one in the portal let's jump into the Azure pricing calculator to get started here we are at the pricing calculator let's search for manage diss we'll select manage discs that adds a manage dis to the estimate for this example let's say we need one terabyte of dis base and 15,000 iops for a high performance database let's look at our options for premium discs first we'll set the region to West us2 and change the tier to premium SSD we'll leave redundancy to locally redundant storage now we need a terabyte of space so we could select a P30 that will give us the space we need the pay as you go price without factoring in any reserved instances or any other features is $122 per month but that doesn't meet all of our needs we've got a terabyte of space but we also require 15,000 iops and although there is an option to burst for this example example we want a pretty consistent 15,000 iops so let's find a dis that will accommodate that a p60 gives us 8 terabyt of space and 16,000 iops the price changed though to $860 a month we need the iops but we don't need the space this is another example of sizing for performance it's more important that we get the iops we require than the space so that's a premium SSD let's add another manage dis we'll use the same region West us2 this time we'll select premium SSD V2 let's specify the space we want a terabyte so we'll do 1024 gigs the storage cost alone is $82 for the iops we'll change it to 15,000 and for the throughput we'll change that to 500 we haven't really talked about throughput but that matches the throughput of the p60 disc the price for the premium SSD V2 that meets our requirements is $158 we're able to get the size and performance we need at a price that's $700 less than if we used a p60 premium SSD that's a great example of why the V2 is a good option let's see what it looks like to configure a dis we'll hop over to the Azure portal we'll create a new VM and go to diss notice that the VM is in an availability Zone premium SSD V2 requires an availability Zone we won't create this VM we're just going to review how to configure the data discs first we have the OS Disk type but we can't change that because the V2 isn't an option for the OS disk we can scroll down though and create a new data disk we get the default size of a premium SSD let's change the size there are the size and performance options for the premium SSD let's change the storage type to premium SSD V2 we'll leave the size set to the 1 tbte change the iops to 15,000 and we'll change the throughput to 500 click okay and that changes the disk type one item to note since we're talking about databases we have two options for sector size the database you're using may have a recommendation on The Logical sector size consult the database or application documentation for recommended sector size getting this right when you create the dis may offer significant performance benefits what option is best depends on the application or the database you're using we'll click okay and now we have a premium SSD V2 data disk attached to this VM if you need to attach a disk to an existing VM you can search for manage diss we'll click okay we don't need this under basic for the manage dis notice the region and the availability Zone make sure that's set to the same region and Zone as the VM the disc will attach to let's change the size of the disc and we get the same option to change it to a premium SSD V2 finish the wizard to create the premium SSD V2 disc and then once finished you can attach this disc to an existing VM that is how to price and create a premium SSD V2 disc in Azure I hope that helps you better understand the new premium SSD V2 manage discs please don't forget to like And subscribe and thanks for watching

Channel: Travis Roberts

Views: 696

Keywords: Azure disk, Premium, SSD, V2, SSD V2, Azure, tutorial, Microsoft azure, Managed disk, free tutorial, training

Id: _Vbxtz6o6rA

Length: 11min 1sec (661 seconds)

Published: Sun Jan 07 2024