question Re: What's the best order of starting/stoping HDFS services? in Archives of Support Questions (Read Only) https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152707#M32700 <P>If you are using ambari , It will take care of the sequence. You just need to click on start service and start service.</P> Thu, 23 Jun 2016 15:25:45 GMT sandyy006 2016-06-23T15:25:45Z What's the best order of starting/stoping HDFS services? https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152705#M32698 <P>In a typical HDFS HA deployment, Zookeeper, ZKFailoverController, DataNodes, NameNodes and JournalNodes, are all installed. What's the best order of starting/stoping these HDFS services to avoid running into services dependency issues?</P> Thu, 23 Jun 2016 06:47:29 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152705#M32698 xzhou 2016-06-23T06:47:29Z Re: What's the best order of starting/stoping HDFS services? https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152706#M32699 <P><STRONG>Stop order:</STRONG></P><P>1. Stop Datanodes</P><P>2. Stop Namenodes</P><P>3. Stop ZKs</P><P>4. Stop Journal nodes</P><P><STRONG>Start Order:</STRONG></P><P>1. Start ZKs</P><P>2. Start JNs</P><P>3. Start Datanodes</P><P>4. Start NNs</P> Thu, 23 Jun 2016 07:06:54 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152706#M32699 KuldeepK 2016-06-23T07:06:54Z Re: What's the best order of starting/stoping HDFS services? https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152707#M32700 <P>If you are using ambari , It will take care of the sequence. You just need to click on start service and start service.</P> Thu, 23 Jun 2016 15:25:45 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152707#M32700 sandyy006 2016-06-23T15:25:45Z Re: What's the best order of starting/stoping HDFS services? https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152708#M32701 <P>You need to follow the below <A href="https://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.4.2/bk_HDP_Reference_Guide/content/starting_hdp_services.html">Start order</A></P><UL> <LI>Ranger</LI><LI>Knox</LI><LI>ZooKeeper</LI><LI>HDFS <UL><LI>Journal Node</LI><LI>Name Node</LI><LI>Secondary Name Node</LI><LI>Data Node</LI></UL></LI><LI>YARN<UL><LI>Resource Manager</LI><LI>History Server</LI><LI>Node Manager</LI></UL></LI></UL> Fri, 01 Jul 2016 06:36:45 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152708#M32701 namaheshwari 2016-07-01T06:36:45Z Re: What's the best order of starting/stoping HDFS services? https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152709#M32702 <P>Thank you all for the answers.</P> Fri, 08 Jul 2016 03:56:48 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/What-s-the-best-order-of-starting-stoping-HDFS-services/m-p/152709#M32702 xzhou 2016-07-08T03:56:48Z