1. Windows Central Question's Avatar
    I had 3x 3TB drives in a parity pool. It started to fill up so i added a fourth 3TB drive and months later one of the original 3 began to fail on me. Performance was slow, then slower, then it showed disconnected.

    I retired the drive and added a replacement, literally the same model 3TB drive. I cannot however, get it to remove the failed physical disk and repair the pool. I even tried adding another 2TB drive i had available in case it needed the extra space (didn't make sense but i was reaching).

    I get the "drive could not be removed because not all data could be reallocated. add an additional drive to this pool and reattempt this operation."

    Any ideas on what i need to do? I have searched a lot and don't really seem to be getting anywhere. The only way i was able to retire the drive was through powershell. I'm assuming it's a GUI issue and perhaps i'm not approaching it correctly via powershell. Attempting to repair virtual disk didn't work.

    Any help is appreciated! I really don't want to lose this data. I wasn't able to backup much before the drive failed completely.
    02-23-2016 03:29 PM
  2. TechFreak1's Avatar
    I had 3x 3TB drives in a parity pool. It started to fill up so i added a fourth 3TB drive and months later one of the original 3 began to fail on me. Performance was slow, then slower, then it showed disconnected.

    I retired the drive and added a replacement, literally the same model 3TB drive. I cannot however, get it to remove the failed physical disk and repair the pool. I even tried adding another 2TB drive i had available in case it needed the extra space (didn't make sense but i was reaching).

    I get the "drive could not be removed because not all data could be reallocated. add an additional drive to this pool and reattempt this operation."

    Any ideas on what i need to do? I have searched a lot and don't really seem to be getting anywhere. The only way i was able to retire the drive was through powershell. I'm assuming it's a GUI issue and perhaps i'm not approaching it correctly via powershell. Attempting to repair virtual disk didn't work.

    Any help is appreciated! I really don't want to lose this data. I wasn't able to backup much before the drive failed completely.
    I understand that you're extremely frustrated however I'm not sure what anyone could do to help without you clarifying three things.

    Three questions.

    1) Are you using a NAS Enclosure?
    2) Are you using a Server Rack?
    3) Which O/S are you using?

    We're not mind readers you know , so please join and provide more information in this thread.
    02-23-2016 04:49 PM
  3. samsonbeotch's Avatar
    Sorry i have posted in so many forums without any help that i forgot this was a "windows" forum. Didn't seem to be able to choose a specific subject.

    Using Storage Spaces in Windows 10 Pro, so no rack or enclosure. All within a single case running asrock fm2a88x-itx+
    02-24-2016 02:01 PM

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