Re: Random checksums

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Zenon Panoussis wrote:
> Alasdair G Kergon wrote:
> 
>>> [root@njoerd lsat]# md5sum 006069_15meROT.tif
>>> 0ce8093accb771c66a0154b4d55fd90b  006069_15meROT.tif
>>> [root@njoerd lsat]# md5sum 006069_15meROT.tif
>>> fc2caf002b693c1283a10536fa976358  006069_15meROT.tif
> 
>> Compare two files carefully and analyse which bytes are actually
>> corrupt.
> 
> I cannot very well compare a file with itself, can I? That's what
> I'm looking at above, one single file returning different checksums
> every time. That makes rsync and the contents of the file on the
> other computer completely irrelevant. If we forget rsync and assume
> that the file was created on this machine, the problem is still there.

md5sum tool computes the md5 sum by reading the entire file. Copy the
same file to /root/fileA and then to /root/fileB. That should create two
different files. Then compare files in /root.

Henrik Holst

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