Hard Drive showing less storage after deleting/creating new volume

kodiakblues · Aug 20, 2017

I had a hard drive showing signs of corruption and bad sectors.
So, I backed up all I could (almost everything in it), then tried to format it.
Windows was unable to complete the format during all attempts (even in disk manager).
Then I tried deleting the volume and creating another one. That worked, but the drive, which was of 3TB capacity, is now showing 764GB, and cannot be expanded.
I'd like to understand what happened there.
Thanks!

hang-the-9 · Aug 23, 2017

First, the drive is bad from what is happening with it, trying to use it will be bad for your data unless you don't care what goes on it. How large was the volume you deleted and did you create a new volume using the whole disk space? What was showing up as the max size when you created the new volume, it should have asked you what size volume to create? Was this an external or internal drive?

kodiakblues · Aug 23, 2017

hang-the-9 :

This is an internal hard drive. I deleted the entire volume (2.7TB) and tried to create a new one, but could only create new volumes of up to 764GB (which showed up as the maximum size after the deletion). I wonder if it can't read past some bad sectors to get the actual size... I really don't know what happened. The disk passes s.m.a.r.t. and other tests over this new volume.

hang-the-9 · Aug 24, 2017

kodiakblues :

If your computer can work with large drive capacities, then the fact that the drive had issues could be why it's not working properly. You can try using diskpart on the drive and see if you can clean the partitions that way and then create a new one in Disk Manager.

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Hard Drive showing less storage after deleting/creating new volume

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