checksum error after download

super-olli
super-olli
Joined: 28 Feb 08
Posts: 2
Credit: 384280
RAC: 0
Topic 193743

Hi,

since this morning I cannot download this file correct: einstein_S5R3_4.38_i686-pc-linux-gnu_0

Sa 05 Jul 2008 20:06:55 CEST|Einstein@Home|Started download of einstein_S5R3_4.38_i686-pc-linux-gnu_0
Sa 05 Jul 2008 20:07:10 CEST|Einstein@Home|Finished download of einstein_S5R3_4.38_i686-pc-linux-gnu_0
Sa 05 Jul 2008 20:07:10 CEST|Einstein@Home|[error] Signature verification failed for einstein_S5R3_4.38_i686-pc-linux-gnu_0
Sa 05 Jul 2008 20:07:10 CEST|Einstein@Home|[error] Checksum or signature error for einstein_S5R3_4.38_i686-pc-linux-gnu_0

I have not changed anythin on my SUSE Linux 64Bit and yesterday and before I had no problems.
(Hardware 2GB RAM , CPU P4 3.6GHz HT Cedar Mill, ASUS P5P800SE)

Has anybody same problems or helpful tips for me?

Thanks Oliver

super-olli
super-olli
Joined: 28 Feb 08
Posts: 2
Credit: 384280
RAC: 0

checksum error after download

Now it works again - don't know why.

Alinator
Alinator
Joined: 8 May 05
Posts: 927
Credit: 9352143
RAC: 0

Keep in mind EAH mirrors it's

Keep in mind EAH mirrors it's executables and datafiles at several sites around the world.

The MD5 hash for the files is generated after compiling for the executables and after the data is formatted for distribution. So if one of the mirrors ends up with file corruption or other internal problems, you can get these checksum errors until the team catches it and fixes the problem.

Generally speaking, this does not indicate any problem with your host. The reason is the comm link between your host and the project is TCP, therefore garbled transmission would result in a failed comm session, rather than corruption of the transmitted data and the checksum failure you were seeing.

The reason the problem went away in your case is the Core Client is designed to automatically step to a different mirror if there are a certain number of failures in a row to the one it was currently trying to use.

HTH,

Alinator

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