XPost: aus.computers   
   From: rod.speed.aaa@gmail.com   
      
   On Wed, 26 Nov 2025 09:55:27 +1100, Felix  wrote:   
      
   > Computer Nerd Kev wrote:   
   >> In aus.computers Paul  wrote:   
   >>> On Tue, 11/25/2025 12:54 AM, Felix wrote:   
   >>>> This is doing my head in. Here's the relative test results.   
   >>>> I have no idea what to make of them (but you do)   
   >>>>   
   >>>> https://auslink.info/HD/   
   >>> The results don't seem credible.   
   >>> They're weird looking.   
   >> They look fine to me for a healthy drive.   
   >>   
   >>> I don't see a power-on hours field, or maybe   
   >>> I do, and it is lifetime *2 hours* ? Bullshit.   
   >> The power-on hours field on some drives wraps around to zero after   
   >> so many hours, so that's not always abnormal.   
   >>   
   >>> You have a count of "1" in Current Pending Sector count.   
   >>> Which is suspicious, and those start to show up   
   >>> near end of life. These seem to happen when the   
   >>> spares are getting low, and the drive is about   
   >>> to start reporting CRC errors because there are   
   >>> no spares to fix that.   
   >> You can see how many reallocated sectors it reports already having   
   >> and that's zero! No problem.   
   >>   
   >> [snip]   
   >>> It is your call, on whether this is merely a novelty   
   >>> observation experiment, or, you are serious about   
   >>> getting the data off. If I was coming to your house   
   >>> right now to help, I would be bringing two hard   
   >>> drives, a known-working 1TB and a known-working larger   
   >>> one (in case file-at-a-time recovery is attempted).   
   >>> But the project isn't going to get very far, if the   
   >>> thing is a mass of errors. Just the time it would take   
   >>> to reach the other end of the drive, may exceed the number   
   >>> of hours left before it dies.   
   >> Well he hasn't shown more than typical file system corruption that   
   >> can result from a sudden power-off or software crash. But then he   
   >> hasn't expressed whether he's interested in the data or wants to   
   >> re-use the drive.   
   >   
   > both. if I can access it I'll get the data of, and if the disk is ok   
   > I'll keep it for non critical use   
   >   
   >>   In the former case, he should stop messing around   
   >> looking at SMART data   
   >   
   > I've been doing what others suggested   
   >   
   >> and make a disk image.   
      
   > how can I make an image of a disk that can't be read?   
      
   It can  be read by ddrescue   
      
   >>   In the latter case run   
   >> a self-test as I suggested   
   >   
   > doing that now   
   >   
   >> before and if that passes then reformat   
   >> and get on with using it because the SMART data looks as good as   
   >> you'd expect from any used drive.   
   >>   
   >   
   > that's encouraging then, thanks   
      
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