Hi Dalia
The Namenode SafeMode Exception should not be related with number of region
servers.
Any turn off safemode and try restarting your cluster. May be internally
namenode is not able to locate some blocks.
That needs more investigation.
Regards
Ram
On Thu, Jan 3, 2013 at 8:13 AM, varun kum
Hi Daila,
Safemode is on.
Turn Off safemode you will be write files into that cluster.
Hadoop cluster will turn off safemode automatically when the gets it's
required blocks.
In your scenario try to start 2 more region server.
Regards,
Varun Kumar.P
On Wed, Jan 2, 2013 at 11:30 PM, Dalia Sob
Dear all,
I started first 2 region servers and added 6 million records to them. Then
added about 3 region servers and everything was fine. I ran a java program on
then and they working properly. But after stopping four region servers, the
HMASter is not working. I added another region server,
