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AlanMatt-4382 asked ·

Manage Storage Spaces pool capacity upgrade but Windows Disk Management doesn't update disk size.


Windows 10 does not upgrade to actual disk size. It displays old disk size.


How do I tell D: that is a 12TB capacity instead of 4TB? Do I need some how to resize the volume manually?

I upgrade the disk substituting two 4TB HDDs (two-way mirror) with two new 12TB. I make the substitution one by one. All the data is there in the new disk.
Storage space 3,6TB [OK] Not formatted storage space
Manage Storage Spaces physical drives shows properly 12TB and 30% used as expected.

94029-groupd.jpg

But looking at Disk Management, and inspecting properties of Windows D: the drive is still 4TB (and close to full).



94086-ddisk.jpg



How do I tell D: that is a 12TB capacity instead of 4TB ? Do I need some how to resize the volume manually?


At the moment the only thing I found was this 2013 bug that is still there:
https://social.technet.microsoft.com/Forums/windowsserver/en-US/90556310-26a4-482f-9a2b-8458d6feda8f/server-2012-twoway-mirror-storage-space-displays-incorrect-capacity

PS: To fix this bug/issue my first idea was to delete the storage space group pool and create a new one.
But in Manage Storage Spaces if I select "delete", this ridiculous interface, will delete all the files that it contains and can't recover the files.
(At the moment it does not look like a good idea or pointless for a non-advanced user to use Manage Storage Spaces.)


windows-10-general
groupd.jpg (75.8 KiB)
ddisk.jpg (62.2 KiB)
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XiaoweiHe-MSFT avatar image
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XiaoweiHe-MSFT answered ·

Hi,

Normally, when we creating the volume, we need to format it and then store data on the volume. So, it's strange that in your case, you have data on the volume while the volume is not formatted.

In this scenario, I would suggest you backup the data, and then try to format the volume, of course, formatting will make us lose data. If we can expand the volume successfully on the volume after formatting, then try to restore the data from backup.

If after formatting the volume, we still unable to expand the volume, I'm afraid we need to rebuild the storage space.

Thanks for your time!
Best Regards,
Anne


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XiaoweiHe-MSFT avatar image
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XiaoweiHe-MSFT answered ·

Hi,

According to your screenshot, it seems the AM(D:) volume hasn't been formated in the storage pool, and not have a driver letter shown in the storage pool.

Generally, we may see the volume like below in the storage pool, after format, we will get the option "change", and we can extend the volume size:

94331-image.png

Thanks for your time!
Best Regards,
Anne


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Thx dear expert for the kind answer. Can you expand your good answer?

  • What does Format mean (formating, resize, etc...)? is it a good idea to format or I will lose all data?

  • How can I close, delete or disassemble the Storage Space without losing data?

  • How do I proceed at this point to get out. What is The best option? Disassemble and rebuild, format, or if possible creating a new pool and merge or other?

I didn't find a manual.
Thxs



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Stupid Storage Spaces
Where I can submit a bug report?

How do I backup the data at this point?

Can I take out from Storage Space and format one HDD to get the full 12TB
Then I take the other HDD out from Storage Space with all the data and create a RAID1
I place the 12TB HDD as second and pass all data
Then I take out the 4TB unformatted disk (the 12TB HDD)
And formated to get the full 12TB and reput it into the RAID1?

How do I get the data out for backup in this situation?

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