bash-4.2$ date; xrdfs cmsxrootd2.fnal.gov:1094 locate -d -m /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
Fri Sep 15 21:22:52 CEST 2023
cmsxrootd-site3.fnal.gov:1093 Server Read
cmsxrootd-site2.fnal.gov:1093 Server Read
cmsxrootd-site1.fnal.gov:1093 Server Read
cmsio5.rc.ufl.edu:1094 Server ReadWrite
cmsio7.rc.ufl.edu:1094 Server ReadWrite
cmsio9.rc.ufl.edu:1094 Server ReadWrite
cmsio4.rc.ufl.edu:1094 Server ReadWrite
cmsio3.rc.ufl.edu:1094 Server ReadWrite
cmsio8.rc.ufl.edu:1094 Server ReadWrite
cmsio6.rc.ufl.edu:1094 Server ReadWrite
-------------------
### xrdfs locate -d without "-m" option
bash-4.2$ date; xrdfs cmsxrootd2.fnal.gov:1094 locate -d /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
Fri Sep 15 21:27:13 CEST 2023
[ERROR] Server responded with an error: [3011] No valid location found
--------------------
On the server side, the first one showed:
230915 14:22:53 18227 acc_Audit: yujun.12664:[log in to unmask] grant host *@lxplus734.cern.ch stat /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
230915 14:22:53 17913 cms_Receive: cmsxrootd2 125 bytes on 727534553
230915 14:22:53 17913 cms_Decode: cmsxrootd2 sent yujun.12664:[log in to unmask] 'Mwcmsio2.rc.ufl.edu:1094 Mrcmsxrootd-site1.fnal.gov:1094 Mrcmsxrootd-site3.fnal.gov:1094 Mrcmsxrootd-site2.fnal.gov:1094' /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
230915 14:22:53 17913 cms_Receive: cmsxrootd2 32 bytes on 727535577
While the 2nd one without "-m" option showed:
230915 14:27:13 27864 acc_Audit: yujun.9149:[log in to unmask] grant host *@lxplus734.cern.ch stat /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
230915 14:27:13 17913 cms_Receive: cmsxrootd2 135 bytes on 743171027
230915 14:27:13 17913 cms_Decode: cmsxrootd2 sent yujun.9149:[log in to unmask] 'Mw[2620:104:1f:1000:faf2:1eff:fed9:dd80]:1094 Mr[2620:6a:0:8420::f8]:1094 Mr[2620:6a:0:8421::243]:1094 Mr[2620:6a:0:8420::f9]:1094' /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
230915 14:27:13 17913 cms_Receive: cmsxrootd2 4 bytes on 743172051
===================
As you can see, the successful one sent multiple hostnames while the failed one sent multiple IP addresses:
230915 14:27:13 27864 acc_Audit: yujun.9149:[log in to unmask] grant host *@lxplus734.cern.ch stat /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
230915 14:27:13 17913 cms_Receive: cmsxrootd2 135 bytes on 743171027
230915 14:27:13 17913 cms_Decode: cmsxrootd2 sent yujun.9149:[log in to unmask] 'Mw[2620:104:1f:1000:faf2:1eff:fed9:dd80]:1094 Mr[2620:6a:0:8420::f8]:1094 Mr[2620:6a:0:8421::243]:1094 Mr[2620:6a:0:8420::f9]:1094' /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
230915 14:27:13 17913 cms_Receive: cmsxrootd2 4 bytes on 743172051
------------------------------------
In contrast, another USCMS regional redirector xrootd.unl.edu could return results with and without "-m" option:
bash-4.2$ date; xrdfs xrootd.unl.edu:1094 locate -d /store/mc/RunIIFall17FSPrePremix/Neutrino_E-10_gun/GEN-SIM-DIGI-RAW/PUFor2016_94X_mcRun2_asymptotic_v3-v1/2810000/7AB76D28-6C1D-EE11-B331-FA163EEB94EB.root
Fri Sep 15 21:38:17 CEST 2023
cmsxrootd-site3.fnal.gov:1093 Server Read
cmsio5.rc.ufl.edu:1094 Server ReadWrite
cmsio7.rc.ufl.edu:1094 Server ReadWrite
cmsio9.rc.ufl.edu:1094 Server ReadWrite
cmsio4.rc.ufl.edu:1094 Server ReadWrite
cmsio3.rc.ufl.edu:1094 Server ReadWrite
cmsio8.rc.ufl.edu:1094 Server ReadWrite
cmsio6.rc.ufl.edu:1094 Server ReadWrite
cmsxrootd-site1.fnal.gov:1093 Server Read
cmsxrootd-site2.fnal.gov:1093 Server Read
I was told their log file showed hostnames were sent even without "-m" option.
For cmsxrootd2.fnal.gov XRootD redirector, I added
xrd.network dnr
option in our server side xrootd.cfg but it seems IP addresses still were sent. Could you please tell how I could force hostnames instead of IP addresses to be sent
when running "xrdfs cmsxrootd2.fnal.gov:1094 locate -d" command?
Thanks in advance for any advice on this.
Regards,
Yujun
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