Windows Disks ‘CanPool’ set False?

KB ID 0001560

Problem

While attempting to create some Storage Spaces in Server 2016 today, I presented a bunch of ‘new’ disks and some of them were flagged CanPool as false?

Disk CanPool is False

CanPool simply means the disk it available to be added to a storage pool, Id just removed all the arrays from these drives so I was confused?

Solution

Just because we’re on Powershell does not mean I can’t go old school! Launch Diskpart and list disk. You can see some of the drives (the ones I’m having trouble with have a partition on them, the asterisk in the GPT (GUID Partition Table) column gives that away? 

WARNING: I know the drives, (apart from the 100GB one,) SHOULD be blank, and I know I can erase them safely, MAKE SURE the disk(s) you are looking at are not in use, and do not have important data on them!

DiskPart GPT starred

To clean/erase

select disk {x}
online disk
clean
offline disk

DiskPart Remove GPT Partition

If it tells you;

Diskpart has encountered an error: The media is wrote protected.
See the system event log for more information

attributes disk clear readonly
clean
offline disk

DiskPart Error The Media is Write Protected

Note: In some cases I’ve had to physically reboot the server, before all the disks were CanPool = True.

Related Articles, References, Credits, or External Links

NA

Author: PeteLong

Share This Post On

Submit a Comment

Your email address will not be published. Required fields are marked *