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Dear All, Posted this to the Storm-users mailing list last week but no response. Can someone help me debug why rfio to StoRM is not working. No problems with DPM. Our site doesn't yet have gpfs multicluster setup (they're working on it) so the WN can access our StoRM server (which I inherited from Jon Wakelin, who left) by file protocol, so our users would like to start using rfio protocol. Both HPC & StoRM server are on same subnet. In testing this myself as dteam rfio fails with permission denied: phpwl@lcgui02> lcg-gt srm://lcgse02.phy.bris.ac.uk/dteam/z rfio rfio://lcgse02.phy.bris.ac.uk:5001/gpfs_phys/storm/dteam/z 772d8f8f-e94f-49ca-af95-e609bad7b728 (I just learned 2nd part is requestToken, from StoRM backend logs - do we do anything with requestToken? No mention in gLite User Guide) phpwl@lcgui02> r=rfio://lcgse02.phy.bris.ac.uk:5001/gpfs_phys/storm/dteam/z phpwl@lcgui02> rfcp $r /tmp/z rfio://lcgse02.phy.bris.ac.uk:5001/gpfs_phys/storm/dteam/z : Permission denied (error 13 on lcgse02.phy.bris.ac.uk) On StoRM SE, /var/log/rfio/log shows Jun 2 15:43:09 rfiod[12527]: doit(5): connection from [137.222.74.14] (lcgui02.phy.bris.ac.uk) Jun 2 15:43:10 rfiod[12527]: request by /C=UK/O=eScience/OU=Bristol/L=IS/CN=winnie lacesso (70155,703) Jun 2 15:43:10 rfiod[12527]: rerrmsg: code: 13 Jun 2 15:43:10 rfiod[12728]: Waiting for end of child 12527, status 0 In gooogling for this it seems only info related to DPM is found. /etc/shift.conf on StoRM SE said ISREMOTE CALLS NO I changed NO to YES & restarted rfiod. Same errors, no difference. Can't find much info on what ISREMOTE CALLS NO mean (pointers welcome). Software wersion on lcgse02: DPM-rfio-server-1.6.11-3sec.slc4.i386.rpm Can someone advise how to debug rfio rerrmsg: code: 13 ???