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Hi Marian, Well, it should have spit out some error messages of my it couldn't. Can I see those? Andy On Tue, 24 Mar 2020, Marian Zvada wrote: > Hi, > > I have a machine that can't start cmsd/xrootd on the IPv4 interface and > prefers IPv6-only: > > [root@cms-xrd-global01 ~]# netstat -plunta | grep "xrootd\|cmsd" > tcp6 0 0 :::1094 :::* LISTEN 21496/xrootd > tcp6 0 0 :::1098 :::* LISTEN 21497/cmsd > tcp6 0 0 :::2094 :::* LISTEN 18113/xrootd > tcp6 0 0 2001:1458:201:e5::45532 2001:1458:301:69:::1098 > ESTABLISHED 21496/xrootd > tcp6 0 0 2001:1458:201:e5::45994 2001:1458:201:a4:::1098 > ESTABLISHED 21496/xrootd > udp 0 0 0.0.0.0:40819 0.0.0.0:* 21496/xrootd > > ifconfig looks normal to me: > > [root@cms-xrd-global01 ~]# ifconfig > eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 > inet 188.184.29.87 netmask 255.255.255.0 broadcast 188.184.29.255 > inet6 fe80::16:3eff:fe01:805e prefixlen 64 scopeid 0x20<link> > inet6 2001:1458:201:e5::100:49 prefixlen 128 scopeid 0x0<global> > ether 02:16:3e:01:80:5e txqueuelen 1000 (Ethernet) > RX packets 131401700 bytes 11719643914 (10.9 GiB) > RX errors 0 dropped 17 overruns 0 frame 0 > TX packets 1222209 bytes 1214320471 (1.1 GiB) > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 > > The other, supposedly identical, host starts on both interfaces, IPv4 and > IPv6: > [root@cms-xrd-global02 ~]# netstat -plunta | grep "xrootd\|cmsd" > tcp 0 0 188.184.30.79:50006 188.184.161.66:1098 ESTABLISHED > 1367/xrootd > tcp 0 0 188.184.30.79:34626 188.184.67.41:1098 ESTABLISHED > 1367/xrootd > tcp6 0 0 :::1094 :::* LISTEN 1367/xrootd > tcp6 0 0 :::1098 :::* LISTEN 1364/cmsd > tcp6 0 0 :::2094 :::* LISTEN 1370/xrootd > udp 0 0 0.0.0.0:60460 0.0.0.0:* 1364/cmsd > udp 0 0 0.0.0.0:57015 0.0.0.0:* 1367/xrootd > udp 0 0 0.0.0.0:59700 0.0.0.0:* 1367/xrootd > udp6 0 0 :::33509 :::* 1364/cmsd > udp6 0 0 :::50038 :::* 1367/xrootd > > Both machines use xrootd version 4.11.2. > > Thoughts, please? > > Thanks, > Marian > > ######################################################################## > 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