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From Lohit <lohit.vijayar...@yahoo.com>
Subject Re: Why in safemode namespace state should not be modified?
Date Fri, 26 Sep 2008 01:25:59 GMT
To be precise, when u start your namenode it would construct it's namespace. As datanodes startup
and send block reports the namespace gets constructed. During this time namenode is in safemode.
If your namenode is insafe mode for long time that means some datanodes are yet to report
their state. 

Lohit

On Sep 25, 2008, at 6:17 PM, "Edward J. Yoon" <edwardyoon@apache.org> wrote:

The name node safe mode means that the name node is not changing the
state of the
file system. Meta data is read-only, and block replication / removal
is not taking place.

On Fri, Sep 26, 2008 at 5:46 AM, Sangmin Lee <sangmin.dev@gmail.com> wrote:
Hi folks,
I am wondering why it is not allowed to modify namespace info in safemode.
Especially rename, mkdir, and severals seems okay to be executed in
safemode.

I appreciate your help in advance.

Sangmin




-- 
Best regards, Edward J. Yoon
edwardyoon@apache.org
http://blog.udanax.org


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