Hi Henry, As per your mail Point number 1 is correct.
After doing these changes metadata will be written in the new partition. Regards, Varun Kumar.P On Wed, Apr 17, 2013 at 11:32 AM, Henry Hung <[email protected]> wrote: > Hi Everyone,**** > > ** ** > > I’m using Hadoop 1.0.4 and only define 1 location for name node files, > like this:**** > > <property>**** > > <name>dfs.name.dir</name>**** > > <value>/home/hadoop/hadoop-data/namenode</value>**** > > </property>**** > > ** ** > > Now I want to protect my name node files by changing the configuration to: > **** > > <property>**** > > <name>dfs.name.dir</name>**** > > > <value>/home/hadoop/hadoop-data/namenode,/backup/hadoop/hadoop-data/namenode</value> > **** > > </property>**** > > ** ** > > Where /backup is another mount point. This /backup can be another disk or > from another NFS server.**** > > ** ** > > My question are:**** > > **1. **Is my procedure correct: do stop-dfs.sh then modify conf, > and last start-dfs.sh?**** > > **2. **If answer to no 1 is no, then could you provide the correct > procedure?**** > > **3. **Would the new name node files will auto copy the original > name node files?**** > > ** ** > > Best regards,**** > > Henry**** > > ------------------------------ > The privileged confidential information contained in this email is > intended for use only by the addressees as indicated by the original sender > of this email. If you are not the addressee indicated in this email or are > not responsible for delivery of the email to such a person, please kindly > reply to the sender indicating this fact and delete all copies of it from > your computer and network server immediately. Your cooperation is highly > appreciated. It is advised that any unauthorized use of confidential > information of Winbond is strictly prohibited; and any information in this > email irrelevant to the official business of Winbond shall be deemed as > neither given nor endorsed by Winbond. > -- Regards, Varun Kumar.P
