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Okay, let's get this party started.

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I'm on a Windows Server 2022 box named localmem1,

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and I want to start by opening an administrative PowerShell session,

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and letting you know if you do want to go further with SMB Direct,

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first of all, make sure that your network adapter supports RDMA.

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You can access the cmdlet Get‑NetAdapterRdma,

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and that'll give you an interface by interface breakdown of

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whether the feature is enabled and operational,

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and you'll want to make sure that it's operational.

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In my case, even if I enable it,

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it's not going to be available because I'm in a Hyper‑V

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virtual machine as I previously mentioned.

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There is a related command to turn that enabled flag on or off.

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Let me do a help Set‑NetAdapterRdma, and if we look at examples,

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as you can see here, let me highlight it,

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you can just do Set‑NetAdapterRdma, the name of the adapter,

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which you can get from get, and then Enable this to True,

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as simple as that.

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Okay, so in terms of NTFS, and REFS, and data deduplication,

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we actually covered a lot of this in a previous module,

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but let's do it again.

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In Server Manager, we can come into, let's again start from scratch,

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come down to File and Storage Services,

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make sure we're focused on the right server if you have more than one in there,

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and we'll go over to storage pools,

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and we can adjust virtual disks in a storage pool

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context here by right‑clicking,

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and we can extend the virtual disk and look at its properties,

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and this isn't really allowing us to change all that much.

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Come to the Storage Pools area first, and to review,

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I have a single storage pool created that includes two physical disks,

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and I've created a virtual disk called project‑disk1.

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Now,

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if you're wondering how could we enable data deduplication if we

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didn't do it when we created the virtual disk,

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I'll cover that in a second, but first,

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let me show you the workflow when you're creating a

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new storage spaces virtual disk.

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We'll go Tasks, New Virtual Disk, I'll select the Pool,

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click OK, and then in the wizard,

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I'm going to give this one a name called data‑dedup,

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really imaginative, right, click Next, Next.

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In this case, I'm going to do Mirror,

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and I'll make it a simple two‑way mirror that uses thin provisioning,

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and the size is going to be 10 GB, click Next,

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and then Create.

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I'm going to ensure that create a volume when this wizard closes is enabled,

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and then we'll click Close, and then we'll create a new volume,

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again, specifying the server and the disk in the list,

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click Next.

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I'll use all the space, I'll accept the default drive letter,

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and I'll give it the name dedup.

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For file system, again, notice that you can choose when you format.

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I'm going to choose ReFS in this case, click Next,

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and now we have our data deduplication.

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So the options here are disabled, file server, VDI, or virtualized backup.

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I explained the difference among these previously,

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and when you make a choice here, there'll be some slightly different UI,

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but not really.

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I'm going to just do general purpose file server,

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and then we specify deduplicate files that are older than,

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and then we specify a target.

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Three is the default, and then we can make some exclusions,

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file extensions that we do not want to deduplicate.

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That's going to be a comma‑separated array,

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and then we can click Set Deduplication Schedule to allow

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the job to run in the background or not,

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and then we can create one or more schedules.

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We also provide a maintenance window, a time that the job should complete within.

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Let's click OK to finish that, Next, and Create,

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and we can see that Enable deduplication and configure

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deduplication are in the tasks list.

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Now as I was saying a moment ago though,

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in this view, that is in the Storage Spaces view,

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when you right‑click a disk, there is no indication about data deduplication.

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You actually have to go up here to volumes,

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and then for the volume in question, you'll see what I mean in just a second.

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There is our dedup.

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We already have it enabled there,

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but we can right‑click Configure Data Deduplication,

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but for a volume that we do not have dedup enabled on yet,

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we can do the same thing.

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Right‑click, Configure Data Deduplication,

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and it brings us to that very same interface that we saw before.

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So I'll choose my mode, my older than, my extensions,

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my extension exclusions, set a schedule,

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it looks like it's picking up the defaults from my previous choice,

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and then OK to put that into effect. That's all there is to it in terms of data deduplication.