BTW,

A is 192.168.11.29
B is 192.168.11.28
C is 192.168.11.27

from the result of nodetool ring, does it mean that B thinks A, C are down and 
C thinks B is down?

I tried to restart B and for a bring moment, I didn't get this problem (all the 
nodes are all from nodetool) but after a while, this problem came back.

What could be the issue?

thanks,
Claire

On Jul 14, 2010, at 7:22 PM, Claire Chang wrote:

> I have 3 nodes A, B, C with RF=3. When I configure the cluster and before 
> start taking any read/write request, I first start A, put A itself as seed 
> (following in the instructions on wiki), and then start B (put A as the seed) 
> and then start C (also put A as the seed).
> 
> B and C seem joining the ring correctly and the cluster is working properly 
> but if I run nodetool
> 
> cla...@a:$ nodetool -h A -p 9090 ring
> Address       Status     Load          Range                                  
>     Ring
>                                       170141183460469231731687303715884105726 
>    
> 192.168.11.29 Up         2.29 GB       56713727820156410577229101238628035242 
>     |<--|
> 192.168.11.28 Up         2.18 GB       
> 113427455640312821154458202477256070484    |   |
> 192.168.11.27 Up         2.29 GB       
> 170141183460469231731687303715884105726    |-->|
> cla...@a:$ nodetool -h B -p 9090 ring
> Address       Status     Load          Range                                  
>     Ring
>                                       170141183460469231731687303715884105726 
>    
> 192.168.11.29 Down       2.28 GB       56713727820156410577229101238628035242 
>     |<--|
> 192.168.11.28 Up         2.18 GB       
> 113427455640312821154458202477256070484    |   |
> 192.168.11.27 Down       2.28 GB       
> 170141183460469231731687303715884105726    |-->|
> cla...@a:$ nodetool -h C -p 9090 ring
> Address       Status     Load          Range                                  
>     Ring
>                                       170141183460469231731687303715884105726 
>    
> 192.168.11.29 Up         2.29 GB       56713727820156410577229101238628035242 
>     |<--|
> 192.168.11.28 Down       2.18 GB       
> 113427455640312821154458202477256070484    |   |
> 192.168.11.27 Up         2.29 GB       
> 170141183460469231731687303715884105726    |-->|
> 
> 
> Any reason why nodetool thinks that some servers are down if pointing to B or 
> C? If my cluster setup correct?
> 
> thanks,
> Claire 
> 

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