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Old 06-17-2008, 03:33 AM   #1
rabjac
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Question Creating Checksums


We have a process whereby we FTP files from one server to another. As part of this process we generate checksums of each of the files before they are transferred. Once transferred, we check the contents of the checksums against the actual checksums of the files transferred to ensure a "nice complete transfer".

We are finding that the checksum creation/checking is taking quite a long time. Is there any way to speed up the process or is there an alternative method to achieve the same goal?

TIA.
 
Old 06-17-2008, 05:33 AM   #2
ilikejam
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Hi.

Depends how you're creating the checksums. If you're on Solaris (as your choice of forum would suggest), then using 'sum' should be quicker than 'md5', for example.

You should maybe consider using scp/sftp instead of FTP - SSH2 checksums data as it's transferred, so you can do away with the separate checksum step completely.

Dave
 
Old 06-17-2008, 07:10 AM   #3
rabjac
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Yes it's md5 currently in use. I'll look at changing the scripts to use 'sum' in the short term to get us going just now. Longer term, I'll investigate the use of scp/sftp.

Many thanks.
 
  


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