did you define the other host in the cassandra.yaml ? on both servers .... they need to know about each other
On Wed, Feb 23, 2011 at 10:16 AM, Himanshi Sharma <himanshi.sha...@tcs.com>wrote: > > Thanks Dave but I am able to telnet to other instances on port 7000 > and when i run ./nodetool --host > ec2-50-18-60-117.us-west-1.compute.amazonaws.com ring... I can see only > one node. > > Do we need to configure anything else in Cassandra.yaml or Cassandra-env.sh > ??? > > > > > > > > From: Dave Viner <davevi...@gmail.com> To: user@cassandra.apache.org Cc: > Himanshi > Sharma <himanshi.sha...@tcs.com> Date: 02/23/2011 11:36 AM Subject: Re: > Cassandra nodes on EC2 in two different regions not communicating > ------------------------------ > > > > If you login to one of the nodes, can you telnet to port 7000 on the other > node? > > If not, then almost certainly it's a firewall/Security Group issue. > > You can find out the security groups for any node by logging in, and then > running: > > % curl > "*http://169.254.169.254/latest/meta-data/security-groups*<http://169.254.169.254/latest/meta-data/security-groups> > " > > Assuming that both nodes are in the same security group, ensure that the SG > is configured to allow other members of the SG to communicate on port 7000 > to each other. > > HTH, > Dave Viner > > > On Tue, Feb 22, 2011 at 8:59 PM, Himanshi Sharma <*himanshi.sha...@tcs.com > * <himanshi.sha...@tcs.com>> wrote: > > Hi, > > I am new to Cassandra. I m running Cassandra on EC2. I configured Cassandra > cluster on two instances in different regions. > But when I am trying the nodetool command with ring option, I am getting > only single node. > > How to make these two nodes communicate with each other. I have already > opened required ports. i.e 7000, 8080, 9160 in respective > security groups. Plz help me with this. > > Regards, > Himanshi Sharma > > > =====-----=====-----===== > Notice: The information contained in this e-mail > message and/or attachments to it may contain > confidential or privileged information. If you are > > not the intended recipient, any dissemination, use, > review, distribution, printing or copying of the > information contained in this e-mail message > and/or attachments to it are strictly prohibited. If > you have received this communication in error, > > please notify us by reply e-mail or telephone and > immediately and permanently delete the message > and any attachments. Thank you > > > > > =====-----=====-----===== > > Notice: The information contained in this e-mail > message and/or attachments to it may contain > confidential or privileged information. If you are > not the intended recipient, any dissemination, use, > review, distribution, printing or copying of the > > information contained in this e-mail message > and/or attachments to it are strictly prohibited. If > you have received this communication in error, > please notify us by reply e-mail or telephone and > immediately and permanently delete the message > > and any attachments. Thank you > > > -- Sasha Dolgy sasha.do...@gmail.com
