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Hi,

I noticed something odd recently and I am curios if the issue is a known 
feature, or something that needs to be worked on?

A client process was moving files with xrdcp using:

xrdcp -f -np --cksum adler32:print test-transfer root://some-server//some-path

and the command fails with:

Run: [ERROR] Invalid response

Tracking this down leads me to the problem in the data server's configuration:

xrootd.chksum adler32 /usr/bin/xrdadler32


However, if the checksum is configured as:

xrootd.chksum max 4 adler32

The xrdcp will work correctly.


Before anyone asks, yes, checksums work correctly outside of xrdcp:

xrdadler32 root://some-server//some-path

as well as:

xrdfs some-server query checksum /some-path


I have seen this occur with versions 4.9.1 and 4.10.0.



Regards,

Patrick

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