I wouldn’t worry about being meticulous about keeping RF = N as the cluster grows. If you had 60 nodes and your auth data was only on 9 you’d be completely fine.
> On Sep 6, 2017, at 11:36 AM, Cogumelos Maravilha <[email protected]> > wrote: > > After insert a new node we should: > > ALTER KEYSPACE system_auth WITH REPLICATION = { 'class' : ... > 'replication_factor' : x }; > > x = number of nodes in dc > > The default user and password should work: > -u cassandra -p cassandra > > Cheers. > > On 23-08-2017 11:14, kurt greaves wrote: >> The cassandra user requires QUORUM consistency to be achieved for >> authentication. Normal users only require ONE. I suspect your >> system_auth keyspace has an RF of 1, and the node that owns the >> cassandra users data is down. >> >> Steps to recover: >> 1. Turn off authentication on all the nodes >> 2. Restart the nodes and make sure they are UN >> 3. Alter system_auth to have a higher RF than 1 (3 is probably >> appropriate) >> 4. Turn auth back on and restart >> 5. Create a new user and use that from now on. >> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
