On 9/19/23 01:25, Bockjoo Kim wrote:
> 1093 port is served by the dCache door.
>
> Because file locations became imbalanced according to the top level redirector:
>
> https://urldefense.com/v3/__https://bockjoo.web.cern.ch/aaaRedirectorMonitoring.txt-20230912__;!!Mih3wA!DbVDtlzwirRdXXkn2PFPT2dyd9g6GU6x1_bUr3TDQ66wgtkhBkQWhZXVcUMakfPFWWKksfYBqwtwramru6C1$
> where one can see the jobs at American sites are redirected to the EU regional
> redirectors
>
> instead of the US regional redirector.
But this can only happen due to a timeout, when static redirect kicks in, right?
> xrdfs should work with or without '-d' option, no?
Sure should ... but it was timing out for me for some reason (authenticating to
redirectors at some level, I assumed ... but could be something else) and I
thought this was also the reason why Yujun was getting an empty response for
some queries.
So I guess we should figure out where the timeouts / delays happen and why.
Cheers,
Matevz
> Thanks,
>
> Bockjoo
>
> On 9/19/23 01:58, Matevz Tadel wrote:
>> xrdmapc cmsxrootd2.fnal.gov:1094
>> 1 Man cmsxrootd-site2.fnal.gov:1094
>> Srv cmsxrootd-site2.fnal.gov:1093
>> 1 Man cmsxrootd-site3.fnal.gov:1094
>> Srv cmsxrootd-site3.fnal.gov:1093
>> Srv cmsxrootd-site3.fnal.gov:1092
>> 1 Man cmsxrootd-site1.fnal.gov:1094
>> Srv cmsxrootd-site1.fnal.gov:1096
>> Srv cmsxrootd-site1.fnal.gov:1093
>> ....
>>
>> Are those servers dCache doors?
>>
>> Things also seem to work better without the -d flag. Why are you using -d?
>>
>> Matevz
>>
>> On 9/18/23 09:46, Yujun Wu wrote:
>>> Hi Andrew,
>>>
>>> Good morning.
>>>
>>> Thanks again for your help. All the client and server hosts have both IPv4 and
>>> IPv6 addresses. When querying the cmsxrootd-site1.fnal.gov redirector directly.
>>> I get:
>>>
>>> bash-4.2$ date; /usr/bin/xrdfs cmsxrootd-site1.fnal.gov:1094 locate -d
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:09:30 CEST 2023
>>> cmsxrootd-site1.fnal.gov:1093 Server Read
>>> bash-4.2$ date; /usr/bin/xrdfs cmsxrootd-site1.fnal.gov:1094 locate -d -m
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:09:40 CEST 2023
>>> cmsxrootd-site1.fnal.gov:1093 Server Read
>>> Both queries with/without "-m" option return hostname.
>>>
>>> ********
>>> Also, for your info. Our cmsxrootd-site1.fnal.gov redirector at Port 1094 is
>>> basically a manager for both cmsd and xrootd with two redirectors registered
>>> with it:
>>> one at Port 1093 and other at Port 1092 (their roles are: all.role server). If I
>>> query them directly, I get:
>>>
>>> bash-4.2$ date; /usr/bin/xrdfs cmsxrootd-site1.fnal.gov:1093 locate -d
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:09:57 CEST 2023
>>> [::131.225.205.75]:1093 Server ReadWrite
>>>
>>> bash-4.2$ date; /usr/bin/xrdfs cmsxrootd-site1.fnal.gov:1093 locate -d -m
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:10:07 CEST 2023
>>> cmsxrootd-site1.fnal.gov:1093 Server ReadWrite
>>> The first one returns IP address without "-m" optioin and 2^nd one returns
>>> hostname.
>>> ---------------------------------------------------------------------------------------
>>> Then, cmsxrootd-site1.fnal.gov manager registers with cmsxrootd.fnal.gov (An
>>> alias for xrootd.unl.edu and cmsxrootd2.fnal.gov):
>>> all.manager cmsxrootd-site1.fnal.gov:1213
>>> all.manager meta all cmsxrootd.fnal.gov+:1213
>>>
>>> bash-4.2$ host cmsxrootd.fnal.gov
>>> cmsxrootd.fnal.gov has address 131.225.184.17 (cmsxrootd2.fnal.gov)
>>> cmsxrootd.fnal.gov has address 129.93.239.131(xrootd.unl.edu)
>>> cmsxrootd.fnal.gov has IPv6 address
>>> 2600:900:6:1101:5054:ff:fe00:70cb(xrootd.unl.edu)
>>> cmsxrootd.fnal.gov has IPv6 address 2620:6a:0:187::184:17(cmsxrootd2.fnal.gov
>>>
>>>
>>> bash-4.2$ date; /usr/bin/xrdfs cmsxrootd2.fnal.gov:1094 locate -d -m
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:35:26 CEST 2023
>>> cmsxrootd-site2.fnal.gov:1093 Server Read
>>> cmsxrootd-site1.fnal.gov:1093 Server Read
>>> cmsxrootd-site3.fnal.gov:1093 Server Read
>>> bash-4.2$ date; /usr/bin/xrdfs cmsxrootd2.fnal.gov:1094 locate -d
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:35:36 CEST 2023
>>> [ERROR] Server responded with an error: [3011] No valid location found
>>>
>>> The weirdest part is: xrootd.unl.edu returns the same result with and without
>>> "-m":
>>> bash-4.2$ date; /usr/bin/xrdfs xrootd.unl.edu:1094 locate -d
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:40:25 CEST 2023
>>> cmsxrootd-site1.fnal.gov:1093 Server Read
>>> cmsxrootd-site2.fnal.gov:1093 Server Read
>>> cmsxrootd-site3.fnal.gov:1093 Server Read
>>> bash-4.2$ date; /usr/bin/xrdfs xrootd.unl.edu:1094 locate -d -m
>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>> Mon Sep 18 18:40:35 CEST 2023
>>> cmsxrootd-site2.fnal.gov:1093 Server Read
>>> cmsxrootd-site1.fnal.gov:1093 Server Read
>>> cmsxrootd-site3.fnal.gov:1093 Server Read
>>> ------------------------------------------------------------------
>>>
>>> This happens even after I put xrootd.unl.edu XRootD configuration file on
>>> cmsxrootd2.fnal.gov.
>>>
>>> Could you please advise what could be the cause on this? Or, if there is an
>>> option at server side that could force "-m" behavior? Thanks again for your
>>> help.
>>>
>>>
>>> Regards,
>>> Yujun
>>>
>>>
>>> --------------------------------------------------------------------------------
>>> *From:* Andrew Hanushevsky <[log in to unmask]>
>>> *Sent:* Friday, September 15, 2023 11:53 PM
>>> *To:* Yujun Wu <[log in to unmask]>
>>> *Subject:* Re: Help with a xrdfs query puzzle with "xrdfs locate -d"
>>> One more thing try doing a locate against cmsxrootd-site1.fnal.gov:1094
>>> which in theory has the file.
>>>
>>> On Sat, 16 Sep 2023, Yujun Wu wrote:
>>>
>>>> Hi Andrew,
>>>>
>>>> Thank you for your help. Currently, CMS XRootD redirectors only allow access
>>>> with voms proxy from /cms group.
>>>>
>>>> It seems all the files I tried have this issue. The following are two examples:
>>>>
>>>>
>>>> [enstore@fndca2b ~]$ date; xrdfs cmsxrootd2.fnal.gov:1094 locate -d -m
>>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>>>
>>>> Fri Sep 15 22:41:40 CDT 2023
>>>>
>>>> cmsxrootd-site3.fnal.gov:1093 Server Read
>>>>
>>>> cmsxrootd-site1.fnal.gov:1093 Server Read
>>>>
>>>> cmsxrootd-site2.fnal.gov:1093 Server Read
>>>>
>>>> [enstore@fndca2b ~]$ date; xrdfs cmsxrootd2.fnal.gov:1094 locate -d
>>>> /store/test/xrootd/T1_US_FNAL/store/mc/SAM/GenericTTbar/AODSIM/CMSSW_9_2_6_91X_mcRun1_realistic_v2-v1/00000/AE237916-5D76-E711-A48C-FA163EEEBFED.root
>>>>
>>>> Fri Sep 15 22:41:56 CDT 2023
>>>>
>>>> [ERROR] Server responded with an error: [3011] No valid location found
>>>>
>>>>
>>>> -------------
>>>>
>>>> [enstore@fndca2b ~]$ date; xrdfs cmsxrootd2.fnal.gov:1094 locate -d -m
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> Fri Sep 15 22:42:34 CDT 2023
>>>>
>>>> cmsxrootd-site3.fnal.gov:1092 Server Read
>>>>
>>>> cmsxrootd-site1.fnal.gov:1096 Server Read
>>>>
>>>> [enstore@fndca2b ~]$ date; xrdfs cmsxrootd2.fnal.gov:1094 locate -d
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> Fri Sep 15 22:42:45 CDT 2023
>>>>
>>>> [ERROR] Server responded with an error: [3011] No valid location found
>>>>
>>>> -------------
>>>> For the 2nd file, the log files showed:
>>>> ###cmsxrootd2###
>>>>
>>>> [root@cmsxrootd2 tmp]# tail -n 100000 cmsd.log|grep test-file
>>>>
>>>> [root@cmsxrootd2 tmp]# tail -n 100000 xrootd.log|grep test-file
>>>>
>>>> 230915 22:42:34 17939 acc_Audit: enstore.233531:159@fndca2b grant host
>>>> *@fndca2b.fnal.gov stat /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:34 17913 cms_Decode: cmsxrootd2 delays
>>>> enstore.233531:159@fndca2b 1 /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:35 17939 acc_Audit: enstore.233531:159@fndca2b grant host
>>>> *@fndca2b.fnal.gov stat /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:35 17913 cms_Decode: cmsxrootd2 sent enstore.233531:159@fndca2b
>>>> 'Mrcmsxrootd-site1.fnal.gov:1094 Mrcmsxrootd-site3.fnal.gov:1094'
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:45 17869 acc_Audit: enstore.233544:463@fndca2b grant host
>>>> *@fndca2b.fnal.gov stat /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:45 17913 cms_Decode: cmsxrootd2 sent enstore.233544:463@fndca2b
>>>> 'Mr[2620:6a:0:8420::f8]:1094 Mr[2620:6a:0:8421::243]:1094'
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>>
>>>> ###cmsxrootd-site1###
>>>>
>>>>
>>>>
>>>> [root@cmsxrootd-site1 site]# tail -n 1000000 cmsd.log|grep test-file
>>>>
>>>> 230915 22:26:02 1955 manager.0:[log in to unmask] cms_do_State:
>>>> /store/test/xrootd/T2_BR_SPRACE/store/user/jmsilva/1MiB-subscription-test-file.raw
>>>>
>>>> 230915 22:42:34 1953 manager.0:27@cmsxrootd2 cms_do_State:
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:34 13496 server.1580:30@cmsxrootd-site1:1096 cms_do_Have:
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:36 20735 enstore.233531:3840@fndca2b cms_do_Locate:
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> [root@cmsxrootd-site1 site]# tail -n 1000000 xrootd.log|grep test-file
>>>>
>>>> 230915 22:42:36 31818 acc_Audit: enstore.233531:3840@fndca2b grant gsi
>>>> [log in to unmask] stat /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:36 1944 cms_Decode: cmsxrootd-site1 sent
>>>> enstore.233531:3840@fndca2b 'Srcmsxrootd-site1.fnal.gov:1096'
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> ###cmsxrootd-site3###
>>>>
>>>> [root@cmsxrootd-site3 site]# tail -n 1000000 cmsd.log|grep test-file
>>>>
>>>> 230915 22:26:02 33739 manager.0:[log in to unmask] cms_do_State:
>>>> /store/test/xrootd/T2_BR_SPRACE/store/user/jmsilva/1MiB-subscription-test-file.raw
>>>>
>>>> 230915 22:42:34 33738 manager.0:31@cmsxrootd2 cms_do_State:
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:34 34190 server.33696:33@cmsxrootd-site3:1092 cms_do_Have:
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:36 34194 enstore.233531:49@fndca2b cms_do_Locate:
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> [root@cmsxrootd-site3 site]# tail -n 1000000 xrootd.log|grep test-file
>>>>
>>>> 230915 22:42:36 33982 acc_Audit: enstore.233531:49@fndca2b grant gsi
>>>> [log in to unmask] stat /store/test/xrootd/redirector/test-file
>>>>
>>>> 230915 22:42:36 33731 cms_Decode: cmsxrootd-site3 sent
>>>> enstore.233531:49@fndca2b 'Srcmsxrootd-site3.fnal.gov:1092'
>>>> /store/test/xrootd/redirector/test-file
>>>>
>>>> ------------
>>>>
>>>> So, the one without "-m" option didn't showed up in the cmxrootd-site1/3
>>>> redirectors. Could it be possible this was due to IP addresses were sent
>>>> instead of host names when not using "-m" option?
>>>>
>>>> Thanks again for your help on this.
>>>>
>>>>
>>>> Regards,
>>>> Yujun
>>>> ________________________________
>>>> From: Andrew Hanushevsky <[log in to unmask]>
>>>> Sent: Friday, September 15, 2023 7:12 PM
>>>> To: Yujun Wu <[log in to unmask]>
>>>> Subject: Re: Help with a xrdfs query puzzle with "xrdfs locate -d"
>>>>
>>>> Well, that's strange because when I try it I always get
>>>>
>>>> Server responded with an error: [3011] No valid location found
>>>>
>>>> regardless of whether -m is there or not. Could you provide another file
>>>> that should be present?
>>>>
>>>> On Fri, 15 Sep 2023, Yujun Wu wrote:
>>>>
>>>>> Good afternoon.
>>>>>
>>>>> Could XRootD developers please help with a xrdfs puzzle?
>>>>>
>>>>> Bockjoo first noticed. When we query our XRootD regional redirector
>>>>> cmsxrootd2.fnal.gov, we were able to get locate results using "-m" option,
>>>>> but no results without "-m" option:
>>>>>
>>>>> ### xrdfs locate -d with "-m" option
>>>>>
>>>>>
>>>>> 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
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ########################################################################
>>>>> Use REPLY-ALL to reply to list
>>>>>
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