Thanks for quick response rajshekar. Correct same cassandra.yml and same java
On Fri, Jul 19, 2019, 11:56 AM Rajsekhar Mallick <raj.mallic...@gmail.com> wrote: > Hello Rahul, > > May you please confirm on below things. > > 1. Cassandra.yaml file of the node which was started after the machine > reboot is same as that of rest of the nodes in the cluster. > 2. Java version is consistent across all nodes in the cluster. > > Do check and revert > > Thanks > > On Fri, 19 Jul, 2019, 9:19 PM Rahul Reddy, <rahulreddy1...@gmail.com> > wrote: > >> Here , >> >> We have 6 nodes each in 2 data centers us-east-1 and us-west-2 . We have >> RF 3 and cl set to local quorum. And gossip snitch. All our instance are >> c5.2xlarge and data files and comit logs are stored in gp2 ebs. C5 >> instance type had a bug which aws asked to set nvme_timeout to higher >> number in etc/grub.conf. after setting the parameter and did run nodetool >> drain and reboot the node in east >> >> Instance cameup but Cassandra didn't come up normal had to start the >> Cassandra. Cassandra cameup but it shows other instances down. Even though >> didn't reboot the other node down same was observed in one other node. How >> could that happen and don't any errors in system.log which is set to info. >> Without any intervention gossip settled in 10 mins entire cluster became >> normal. >> >> Tried same thing West it happened again >> >> >> >> I'm concerned how to check what caused it and if a reboot happens again >> how to avoid this. >> If I just STOP Cassandra instead of reboot I don't see this issue. >> >>