Hi , I have the a similar issue but appears when we reboot the server. 07 Dec 2016 06:11:25 ERROR [MainThread] security.py:82 - Two-way SSL authentication failed. [Errno 0] _ssl.c:330: error:00000000:lib(0):func(0):reason(0) The first thing that I do was find the keys in the HST Agent /var/lib/smartsense/hst-agent/keys The keys was empty. So I followed the next steps 1) In Ambari , restart all smartsense 2) In Ambari --- smartsense -- Restart HST Agent. and now , the keys in the HST Agent are genereted. Regards. ... View more

Thanks Italo , Now I don't have the Stale Alerts. Regards. ... View more

@Felix Albani Yes , I restarted the ambari-agent. The space on this node is : [root@~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_mixsfwdebda20-lvroot 35G 4.5G 29G 14% / tmpfs 64G 8.0K 64G 1% /dev/shm /dev/sda1 976M 33M 893M 4% /boot /dev/mapper/vg_grid-lvgrid 28T 7.8T 20T 29% /grid /dev/mapper/vg_mixsfwdebda20-lvvar 168G 8.0G 151G 5% /var VNX:/MUM 148G 43G 106G 29% /VFS_MUM mixsfwdebda05:/grid/nfs/mixsfwdebda20 28T 1.2T 27T 5% /nfs/mixsfwdebda20 [root@ ~]# su - hdfs [hdfs@ ~]$ hdfs dfs -df -h Filesystem Size Used Available Use% hdfs://mktClusterProd:8020 440.0 T 93.2 T 332.3 T 21% Thanks for your help ... View more

I have changed the parameter on the node but has the same result 😞 ... View more