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Posted to user@hbase.apache.org by Lashing <ls...@gmail.com> on 2012/11/03 12:40:24 UTC

Hard disk replacement

Hi
  Can anyone tell me the correct procedure to replace a hard disk in slave node (running datanode and region server) that indicate it might fail (red light in the HD) soon ? Thanks in advance.

Re: Hard disk replacement

Posted by Kevin O'dell <ke...@cloudera.com>.

Disclaimer- depending on number of drives and size of cluster you may to
either offload regions or major compact after balance.
On Nov 3, 2012 7:46 PM, "Kevin O'dell" <ke...@cloudera.com> wrote:

> 1.) Shutdown rs
> 2.) Shut down dn
> 3.) Shut down server
> 4.) Replace drive
> 5.) Start server
> 6.) Services should start automatically
> 7.) Profit
> On Nov 3, 2012 7:03 PM, "Lashing" <ls...@gmail.com> wrote:
>
>> Hi
>>   Can anyone tell me the correct procedure to replace a hard disk in
>> slave node (running datanode and region server) that indicate it might fail
>> (red light in the HD) soon ? Thanks in advance.
>>
>

Re: Hard disk replacement

Posted by Kevin O'dell <ke...@cloudera.com>.

1.) Shutdown rs
2.) Shut down dn
3.) Shut down server
4.) Replace drive
5.) Start server
6.) Services should start automatically
7.) Profit
On Nov 3, 2012 7:03 PM, "Lashing" <ls...@gmail.com> wrote:

> Hi
>   Can anyone tell me the correct procedure to replace a hard disk in slave
> node (running datanode and region server) that indicate it might fail (red
> light in the HD) soon ? Thanks in advance.
>

Re: Hard disk replacement

Posted by Lashing <ls...@gmail.com>.

Thanks Kevin.


Lashing <ls...@gmail.com> 於 2012/11/3 下午7:40 寫道：

> Hi
>  Can anyone tell me the correct procedure to replace a hard disk in slave node (running datanode and region server) that indicate it might fail (red light in the HD) soon ? Thanks in advance.