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
>
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