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I vaguely remember that there was issues in 4.x (perhaps 4.1) when dealing with certain format of IPv6. that is why I suggested to test with ipv4 only option (-I v4). Wei Yang | [log in to unmask] | 650-926-3338(O) On Apr 3, 2015, at 11:09 AM, Tapas Sarangi <[log in to unmask]> wrote: > Hi Wei, > > >> On Apr 3, 2015, at 12:33 PM, Yang, Wei <[log in to unmask]> wrote: >> >> 1. does your cluster have more than 64 nodes (I mean data servers + supervisors) > > We have about 300 nodes. > >> 2. it seems to me that the supervisor can’t find any data servers to manage. > > This is not true because (1) is not true and all these supervisors were managing plenty of data servers prior to xrootd-4.1 ! > >> Are you using IPv6? if you are still on IPv4, can you add -I v4 to the command line in cmsd and xrootd? (see /etc/sysconfig/xrootd) > > We have Dual Stack network for our cluster. Every single node has public IPV6 connectivity and ability. > > > Thanks > -Tapas ######################################################################## 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