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Hi Andy, It is the command from the xrootd-client rpm. Patrick On 2/19/20 5:45 AM, Andrew Hanushevsky wrote: > Goo question Rob. We provide the xrdadler command but not a script. So,t he > first question should have been is this a script or the actual command. > > Andy > On Wed, 19 Feb 2020, Robert Gardner wrote: > >> Who provides said external script? >> >> >>> On Feb 19, 2020, at 5:34 AM, Andrew Hanushevsky >>> <[log in to unmask]> wrote: >>> >>> Hi Patrick, >>> >>> In the first case, the config says hat an external script is supposed to >>> computed the checksum. If the external script produces an incorrect response, >>> the client will get it and complain. The second case says that the checksum >>> is to be computed using the internal native mechanism. In this case, a corect >>> response will always be sent. Hence, it will work. We reccomend that the >>> internal mechanism be used when it is possible to do so. That said, ot would >>> be interestin to know what the hiccup is in the external script. >>> >>> Andy >>> >>> On Wed, 19 Feb 2020, Patrick McGuigan wrote: >>> >>>> 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 >>>> >>>> ######################################################################## >>>> Use REPLY-ALL to reply to list >>>> >>>> To unsubscribe from the XROOTD-L list, click the following link: >>>> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 >>>> >>> >>> ######################################################################## >>> Use REPLY-ALL to reply to list >>> >>> To unsubscribe from the XROOTD-L list, click the following link: >>> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1 >> >> ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-L list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-L&A=1