Re: Bad md5sum or bad download for archlinux-2015.02.01-dual.iso

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On 02/19/2015 04:32 PM, Marcel Kleinfeller wrote:
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[marcel@oompf ~]$ md5sum archlinux-2015.02.01-dual.iso      3d6a54886230649a049a9d431e03bbba  archlinux-2015.02.01-dual.iso

Everything should be fine with this mirror.

Marcel, All,

I am now thoroughly confused regarding why I am not getting the correct checksum when I download to my laptop. Is there any reason one can think of (other than a failing drive -- i.e. disk geometry, etc...) that would cause the reporting of an incorrect checksum? The reason I ask is on my first download from www.gtlib.gatech.edu I received a checksum of:

31fa61afd67cbd88c91f97d7d04244a1

I then downloaded the ISO from mirrors.gigenet.com to my server and received the correct checksum:

3d6a54886230649a049a9d431e03bbba  archlinux-2015.02.01-dual.iso

To correct the copy on my laptop, I then deleted the original download and rsync'ed the good copy from my server (via wifi):

rsync -uav nirvana:~/arch/iso/archlinux-2015.02.01-dual.iso .

  Strangely, the checksum is still not correct:

723f6bab8b950ef59a689ff90a5ec82d  archlinux-2015.02.01-dual.iso

I repeated the rm/rsync again and while the size reported is the exact correct number of bytes, the checksum is again wrong:

2832de308651f77df753b5a5977431c0  archlinux-2015.02.01-dual.iso

Is there anything other than hardware that could account for this? The drive in the laptop is a WDC WD7500BPVX-22JC3T0 and smartctl tests all report "No Errors Logged", so I'm a bit stumped?

--
David C. Rankin, J.D.,P.E.


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