@abh3 Suggested mitigation with `_I v4` in `xrootd` and `cmsd` for supervisors and manager doesn't seem to be working.... Here are cmsd logs from manager: ``` 150410 11:52:13 364 Protocol: redirector.529:17@cmsxrootd logged in. 150410 11:52:13 364 Admit_Redirector redirector.529:17@cmsxrootd assigned slot 1 150410 11:52:15 384 AddNode srv supervisor.19907:18@s15n01:31094 cluster 1213cmsxrootd.hep.wisc.edu mask=1 anum=0 150410 11:52:15 384 Add supervisor.19907:18@s15n01:31094 to cluster anon-u 1213cmsxrootd.hep.wisc.edu slot 0.2 (nodecnt=1 supn=1) 150410 11:52:15 384 Update Counts Parm1=0 Parm2=0 150410 11:52:15 384 Admit s15n01 TSpace=1GB NumFS=0 FSpace=0MB MinFR=0 MB Util=0 Share=100 TZone=-6 150410 11:52:15 384 Admit s15n01 adding path: w / 150410 11:52:15 384 supervisor.19907:18@s15n01:31094 do_Space: 0MB free; 0% util 150410 11:52:15 384 Protocol: Primary supervisor.19907:18@s15n01:31094 logged in suspended. =====> Routing for s15n01.hep.wisc.edu: local pub4 prv4 pub6 prv6 =====> Route all4: s15n01.hep.wisc.edu Dest=[::144.92.181.127]:31094 =====> Route all6: s15n01.hep.wisc.edu Dest=[2607:f388:101c:1000::335]:31094 150410 11:52:23 362 Update Stage Parm1=-1 Parm2=0 150410 11:52:23 362 Update Active Parm1=-1 Parm2=0 150410 11:52:23 362 Config: manager service enabled. 150410 11:52:23 381 State: Status changed to suspended + nostaging 150410 11:52:23 381 Send status to redirector.529:17@cmsxrootd 150410 11:52:25 384 Dispatch supervisor.19907:18@s15n01:31094 for status dlen=0 150410 11:52:25 384 supervisor.19907:18@s15n01:31094 do_Status: suspend nostage 150410 11:54:34 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:55:27 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:56:06 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:56:41 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:57:11 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:58:05 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:58:53 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 11:59:27 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 12:00:06 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 12:00:40 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 12:01:15 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 12:01:46 364 Dispatch redirector.529:17@cmsxrootd for update dlen=0 150410 12:02:13 384 Dispatch supervisor.19907:18@s15n01:31094 for load dlen=12 150410 12:02:13 384 supervisor.19907:18@s15n01:31094 do_Load: cpu=0 net=0 xeq=0 mem=0 pag=0 dsk=0% 0MB load=0 mass=0 ``` Logs from supervisor: ``` ------ cmsd [log in to unmask]:49972 initialization completed. 150410 11:52:15 19927 Inet: Accepted connection from 7@localhost 150410 11:52:15 20090 Admin_Login initial request: 'login p 20073 port 31094' 150410 11:52:15 20090 Update FrontEnd Parm1=1 Parm2=31094 150410 11:52:15 20090 do_Login:: Primary server 20073 logged in; data port is 31094 150410 11:52:15 19927 Protocol: redirector.20073:7@localhost logged in. 150410 11:52:15 19927 Admit_Redirector redirector.20073:7@localhost assigned slot 1 150410 11:52:15 19930 Pander supervisor services to cmsxrootd.hep.wisc.edu:1213 150410 11:52:15 19930 Pander trying to connect to lvl 0 cmsxrootd.hep.wisc.edu:1213 150410 11:52:15 19930 Add cmsxrootd.hep.wisc.edu to manager config; id=0 150410 11:52:15 19930 ManTree: Now connected to 1 root node(s) 150410 11:52:15 19930 Protocol: Logged into cmsxrootd 150410 11:52:25 19911 Update Stage Parm1=-1 Parm2=0 150410 11:52:25 19911 Update Active Parm1=-1 Parm2=0 150410 11:52:25 19911 Config: supervisor service enabled. 150410 11:52:25 20091 State: Status changed to suspended + nostaging 150410 11:52:25 20091 Inform cmsxrootd.hep.wisc.edu status 150410 12:02:13 19930 Dispatch manager.0:21@cmsxrootd for usage dlen=0 150410 12:02:13 19930 Report_Usage cpu=0 net=0 xeq=0 mem=0 pag=0 dsk=0 0 150410 12:12:13 19930 Dispatch manager.0:21@cmsxrootd for usage dlen=0 150410 12:12:13 19930 Report_Usage cpu=0 net=0 xeq=0 mem=0 pag=0 dsk=0 0 ``` logs from one of the data servers: ``` 150410 12:13:43 4656 Pander trying to connect to lvl 0 cmsxrootd.hep.wisc.edu:1213 150410 12:13:43 4656 XrdOpen: Unable to connect socket to cmsxrootd.hep.wisc.edu; connection refused 150410 12:13:46 4656 Pander trying to connect to lvl 1 [2607:42672 150410 12:13:52 4656 Pander trying to connect to lvl 0 cmsxrootd.hep.wisc.edu:1213 150410 12:13:55 4656 Pander trying to connect to lvl 1 [2607:42672 150410 12:14:01 4656 Pander trying to connect to lvl 0 cmsxrootd.hep.wisc.edu:1213 150410 12:14:04 4656 Pander trying to connect to lvl 1 [2607:42672 150410 12:14:10 4656 Pander trying to connect to lvl 0 cmsxrootd.hep.wisc.edu:1213 150410 12:14:13 4656 Pander trying to connect to lvl 1 [2607:42672 150410 12:14:13 4656 XrdOpen: Unable to create socket for ' [2607 '; invalid IPv6 address ``` --- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/227#issuecomment-91626234 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1