some info on how to add datanodes, but there is not much info on how
to remove safely (without losing data etc) datanodes or storage locations on
a particular node.
Is this possible?
Many thanks,
Alexandra.
--
View this message in context:
http://www.nabble.com/How-to-replace-the-storage-on-a
luck the high level of replication will allow a full recovery of the cluster
on restart.
Is this something that you would advice?
Many thanks,
Alexandra.
--
View this message in context:
http://www.nabble.com/How-to-replace-the-storage-on-a-datanode-without-formatting-the-namenode
s ?
>
> I found some info on how to add datanodes, but there is not much info on
> how
> to remove safely (without losing data etc) datanodes or storage locations
> on
> a particular node.
> Is this possible?
>
> Many thanks,
> Alexandra.
>
>
>
>
>
> --
&
t easier to put the configuration files in one
directory and then create symlinks from all the hadoop home folders to this
one configuration directory.
Is this what usually people do or have I gone in a completely wrong
direction?
--
View this message in context:
http://www.nabble.com/How-to-replace-the-st
Along these lines, even simpler approach I would think is :
1) set data.dir to local and create the data.
2) stop the datanode
3) rsync local_dir network_dir
4) start datanode with data.dir with network_dir
There is no need to format or rebalnace.
This way you can switch between local and netw
You can have separate configuration files for the different datanodes.
If you are willing to deal with the complexity you can manually start them
with altered properties from the command line.
rsync or other means of sharing identical configs is simple and common.
Raghu, your technique will onl
jason hadoop wrote:
Raghu, your technique will only work well if you can complete steps 1-4 in
less than the datanode timeout interval, which may be valid for Alexandria.
I believe the timeout is 10 minutes.
Correct I should have mentioned it as well. the process should finish in
10 minutes.
