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I was attempting to download and run the Windows 10 Insider Preview, but after a few failed boots and installation errors, I decided to test the SHA1 sum before committing.

I noticed that every time I ran the SHA1 sum, the outcome was different! I have a feeling it's a bad SSD that I've been having previous issues with (the OS installed on it will randomly crash or other applications will randomly crash).

Here's a snippet of the output:

chris@BigD:~/Downloads$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= 219ccf891c89be1ef83fe2b4d837d4bd1239137d
chris@BigD:~/Downloads$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= c8ab37fce87b089217e72ae5f84e223c5eb5c251
chris@BigD:~/Downloads$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= 1a820c22b66ffafba0da848e980cec998c22f563
chris@BigD:~/Downloads$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= a7f0834f048a25a9200c3aec4aee72be3576afaf

I then copied the file to a spinning disk and did the same thing:

chris@BigD:/media/Hades/Linux-Info$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= 94991975ebc3ee49d74b31a37bcb43fa5c66897a
chris@BigD:/media/Hades/Linux-Info$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= 94991975ebc3ee49d74b31a37bcb43fa5c66897a
chris@BigD:/media/Hades/Linux-Info$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= 94991975ebc3ee49d74b31a37bcb43fa5c66897a
chris@BigD:/media/Hades/Linux-Info$ openssl sha1 Windows10.iso 
SHA1(Windows10.iso)= 94991975ebc3ee49d74b31a37bcb43fa5c66897a

Has anyone else experienced things like this with their SSD? Is this a common issue or did I get a faulty drive?

Chris
  • 142

1 Answers1

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Checking the obvious... Was the file being modified (still downloading) during the SSD checksums?

If not, it sounds like a faulty SSD. Check the S.M.A.R.T. data.

Steven
  • 28,386