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How to Remove Drive from Storage Pool for Storage Spaces in Windows 10

information   Information
Storage Spaces helps protect your data from drive failures and extend storage over time as you add drives to your PC. You can use Storage Spaces to group two or more drives together in a storage pool and then use capacity from that pool to create virtual drives called storage spaces. These storage spaces typically store two copies of your data so if one of your drives fails, you still have an intact copy of your data. If you run low on capacity, just add more drives to the storage pool.

If you created a pool in Windows 10 or upgraded an existing pool, you'll be able to remove a drive from it. The data stored on that drive will be moved to other drives in the pool, and you'll be free to use the drive for something else.

This tutorial will show you how to remove a drive from a storage pool for storage spaces in Windows 10.

You must be signed in as an administrator to remove a drive from a storage pool.

Here's How:

1. Open Settings, click/tap on the System icon, click/tap on Storage on the left side, and click/tap on the Manage Storage Spaces link on the right side. (see screenshot below)
Note   Note
You can also open the Control Panel (icons view), and click/tap on the Storage Spaces icon instead.

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2. Click/tap on the Change settings button, and click/tap on Yes if prompted by UAC. (see screenshot below step 3)

3. Under Physical drives for the storage pool you want, click/tap on the Prepare for removal link for the drive you want to remove. (see screenshot below)

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4. Click/tap on the Prepare for removal button when ready. (see screenshot below)
Note   Note
Leave your PC plugged in until the drive is ready to be removed. This could take several hours, depending on how much data you have stored there.

If you run into problems when you try to prepare the drive for removal, it might be because you don't have enough free space in the pool to store all the data from the drive you want to remove. Try adding a new drive to the pool that's as large as the drive you plan to remove and then try again.

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5. The drive will now be listed as Preparing for removal. (see screenshot below)

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6. When the drive is listed as Ready to remove, click/tap on its Remove link. (see screenshot below)

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7. Click/tap on the Remove drive button. (see screenshot below)

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8. The drive will now be removed from the storage pool. (see screenshots below)

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9. The drive you removed will show as an unallocated disk in Disk Management (diskmgmt.msc) ready for you to disconnect or format. (see screenshot below)

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That's it,