On 02/19/2015 03:00 PM, Jesse B. Rodriguez wrote:

On Feb 19, 2015 1:51 PM, "David C. Rankin" wrote:

...

All,

http://www.gtlib.gatech.edu/pub/archlinux/iso/2015.02.01/md5sums.txt

reports:

...

3d6a54886230649a049a9d431e03bbba archlinux-2015.02.01-dual.iso

Actual download reports:

31fa61afd67cbd88c91f97d7d04244a1 archlinux-2015.02.01-dual.iso

Will try download again, but can anyone confirm correct md5sum?

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

Looks like a bad download. I get the correct sum for that ISO.

Best, Jesse

md5sum confirmed, after second download from another mirror: http://mirrors.gigenet.com/archlinux/iso/2015.02.01/archlinux-2015.02.01-dua... I get the correct md5sum: 3d6a54886230649a049a9d431e03bbba archlinux-2015.02.01-dual.iso The other alternative is that there is a bad copy of the ISO on www.gtlib.gatech.edu. I've only had a couple of mismatches in nearly 2 decades of downloads and each time it has either been a bad md5sum listed on the server or a bad copy of the ISO. Maybe this time is my first real bad download. Whoever has access to www.gtlib.gatech.edu may want to run a md5sum/shasum against the copy of the ISO there -- just in case... The md5sum listed is obviously correct as it is confirmed with the ISO download from mirrors.gigenet.com, but I haven't confirmed where it was an initial problem with the download or a problem with the ISO on www.gtlib.gatech.edu. Both downloads show the exact same size: 616562688 bytes. Thanks for your confirmation Jesse. -- David C. Rankin, J.D.,P.E.

On 02/19/2015 04:32 PM, Marcel Kleinfeller wrote:

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512

[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.

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi David, there are many factors that may cause a bad download. If memtest does not fail try some more things. 1. Plug a usb stick or an external drive into your laptop and "cd" into it. Try to run rsync from there and tell me if md5sum failes again. If it does, I guess it has not to do something with your hard drive. 2. Try to download the file with a different computer. If md5sum failes again, you're likely to have a problem with your internet connection. But I guess you're having issues with RAM, hard drive or your file system. Check on this things too. Am 21. Februar 2015 07:01:14 MEZ, schrieb "David C. Rankin" :

On 02/19/2015 04:32 PM, Marcel Kleinfeller wrote:

...

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512

[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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