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Re: New reason for Disk Management ("Shrink") not working

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On 2025-01-25 16:36, Paul wrote:
> I was experimenting with a hard drive the other day,
> a 4TB one, and making the C: drive really large.
> This was to counter a complaint from some software
> "insufficient space to..." type error.
> 
> So anyway, I could see a green stripe of material about
> half way out on the disk. I figured, no problem,
> if I want to shrink the disk, that material will move
> out of the way for me.
> 
> It didn't.
> 
> I got an error, that said the material could not be moved,
> and it was different than the usual material problem. It was
> traceable to $BADCLUS, a cluster marked off by the file
> system driver. Apparently, the SMART log reported a
> series of "UDMA CRC errors". These are errors on the
> packets on the SATA cable, causing the packets to be
> retransmitted. That's not a conventional data CRC as such.
> Yet, the software decided that this constituted a bad cluster,
> so the area on the disk was marked off.
> 
> There is a option in CHKDSK, to verify bad clusters, but this
> in fact, scans the entire partition again, as if doing a /r .

You can "simply" write to the bad sectors and the firmware will remap 
the sector, so that it disappears effectively.



-- 
Cheers, Carlos.

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New reason for Disk Management ("Shrink") not working Paul <nospam@needed.invalid> - 2025-01-25 10:36 -0500
  Re: New reason for Disk Management ("Shrink") not working "Alan K." <alan@invalid.com> - 2025-01-25 10:55 -0500
    Re: New reason for Disk Management ("Shrink") not working Paul <nospam@needed.invalid> - 2025-01-25 11:20 -0500
    Re: New reason for Disk Management ("Shrink") not working Jim <noreply@ghyhgtgfrde.com> - 2025-01-26 02:06 +0000
      Re: New reason for Disk Management ("Shrink") not working "Carlos E.R." <robin_listas@es.invalid> - 2025-01-26 03:29 +0100
      Re: New reason for Disk Management ("Shrink") not working Paul <nospam@needed.invalid> - 2025-01-25 23:14 -0500
  Re: New reason for Disk Management ("Shrink") not working "Carlos E.R." <robin_listas@es.invalid> - 2025-01-26 03:31 +0100
    Re: New reason for Disk Management ("Shrink") not working Paul <nospam@needed.invalid> - 2025-01-25 22:06 -0500
      Re: New reason for Disk Management ("Shrink") not working "Carlos E.R." <robin_listas@es.invalid> - 2025-01-26 13:54 +0100

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