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
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