Just start the HMaster process on the second server with the same configs. Thats it!
Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz 2010/5/25 <[email protected]> > Sorry for sending this email again , because our mail sever had some > problem this morning! > > Yes.. If HBase master fails, it loses its handle in ZK. The backup master > will register itself as the new master and all works thereafter. > > Is there any document for that setup? > Thanks you > > > Fleming Chiu(邱宏明) > 707-2260 > [email protected] > 週一無肉日吃素救地球(Meat Free Monday Taiwan) > > > > > > Amandeep Khurana > <[email protected] To: > [email protected] > > cc: (bcc: Y_823910/TSMC) > Subject: Re: Hbase production > deployment > 2010/05/26 12:05 > PM > Please respond to > user > > > > > > > Yes.. If HBase master fails, it loses its handle in ZK. The backup master > will register itself as the new master and all works thereafter. > > > Amandeep Khurana > Computer Science Graduate Student > University of California, Santa Cruz > > > 2010/5/25 <[email protected]> > > > Thank for your reply. > > You mean we should have a backup server with the same configure of > running > > hbase master. > > I am curious about how zookeeper can prevent from SPOF, it's protecting > > hbase master fail, right? > > > > > > Fleming Chiu(邱宏明) > > 707-2260 > > [email protected] > > 週一無肉日吃素救地球(Meat Free Monday Taiwan) > > > > > > > > > > > > Amandeep Khurana > > <[email protected] To: > > [email protected] > > > cc: (bcc: > Y_823910/TSMC) > > Subject: Re: Hbase > production > > deployment > > 2010/05/26 11:22 > > AM > > Please respond to > > user > > > > > > > > > > > > > > Thats a good setup. You probably dont need a dedicated box for secondary > > namenode and could consider having another node as a backup HBase > master... > > > > 2010/5/25 <[email protected]> > > > > > > > > Hi there, > > > According to the previous email about HBase: minimal number of boxes. > > > I would like to know how to deploy it for each component, > > > if there are 60 machines for our production cluster. > > > Trying to show my deployment plan, and want to get your suggestions. > > > Thank you. > > > > > > Our machine spec : CPU : R410 1U/4Core > > > Memory : 12G > > > HD : 2*300GB > > > > > > Zookeeper * 3 (dedicated) > > > Hadoop/Hbase Master * 1 (dedicated) > > > Secondary NameNode * 1 (dedicated) > > > DataNode & Region Server * 55 > > > > > > > > > > > > > > > Fleming Chiu(邱宏明) > > > 707-2260 > > > [email protected] > > > 週一無肉日吃素救地球(Meat Free Monday Taiwan) > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------------- > > > TSMC PROPERTY > > > This email communication (and any attachments) is proprietary > > information > > > for the sole use of its > > > intended recipient. Any unauthorized review, use or distribution by > > anyone > > > other than the intended > > > recipient is strictly prohibited. If you are not the intended > > recipient, > > > please notify the sender by > > > replying to this email, and then delete this email and any copies of > it > > > immediately. Thank you. > > > > > > > > > --------------------------------------------------------------------------- > > > > > > > > > > > > > > > > > > > > > > > > > --------------------------------------------------------------------------- > > TSMC PROPERTY > > This email communication (and any attachments) is proprietary > information > > for the sole use of its > > intended recipient. Any unauthorized review, use or distribution by > anyone > > other than the intended > > recipient is strictly prohibited. If you are not the intended > recipient, > > please notify the sender by > > replying to this email, and then delete this email and any copies of it > > immediately. Thank you. > > > > > --------------------------------------------------------------------------- > > > > > > > > > > > > > > --------------------------------------------------------------------------- > TSMC PROPERTY > This email communication (and any attachments) is proprietary information > for the sole use of its > intended recipient. Any unauthorized review, use or distribution by anyone > other than the intended > recipient is strictly prohibited. If you are not the intended recipient, > please notify the sender by > replying to this email, and then delete this email and any copies of it > immediately. Thank you. > > --------------------------------------------------------------------------- > > > >
