question Re: O.S Patch updates, what are the precautions to take before doing OS upgrades to cluster? in Support Questions https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131183#M93867 <P>Thank you Neeraj.</P> Tue, 09 Feb 2016 02:10:04 GMT prasad4u_com 2016-02-09T02:10:04Z O.S Patch updates, what are the precautions to take before doing OS upgrades to cluster? https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131179#M93863 Tue, 09 Feb 2016 01:35:00 GMT https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131179#M93863 prasad4u_com 2016-02-09T01:35:00Z Re: O.S Patch updates, what are the precautions to take before doing OS upgrades to cluster? https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131180#M93864 <P><A rel="user" href="https://community.cloudera.com/users/1966/prasad4ucom.html" nodeid="1966">@Ram D</A></P><P>Backup the system </P><P>Make sure no jobs are running </P><P>If HA enabled then be careful during the Rolling fashion while stopping and starting the services </P><P>Make sure new patch is compatible with HDP version </P> Tue, 09 Feb 2016 01:36:31 GMT https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131180#M93864 nsabharwal 2016-02-09T01:36:31Z Re: O.S Patch updates, what are the precautions to take before doing OS upgrades to cluster? https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131181#M93865 <P>See this </P><P><A href="https://community.hortonworks.com/questions/4940/hdp-os-upgradepatching-best-practices.html" target="_blank">https://community.hortonworks.com/questions/4940/hdp-os-upgradepatching-best-practices.html</A></P> Tue, 09 Feb 2016 01:37:21 GMT https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131181#M93865 nsabharwal 2016-02-09T01:37:21Z Re: O.S Patch updates, what are the precautions to take before doing OS upgrades to cluster? https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131182#M93866 <A rel="user" href="https://community.cloudera.com/users/1966/prasad4ucom.html" nodeid="1966">@Ram D</A><P> do patches on minor versions, do them via one host at a time, enable HA on your cluster. </P> Tue, 09 Feb 2016 01:59:12 GMT https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131182#M93866 aervits 2016-02-09T01:59:12Z Re: O.S Patch updates, what are the precautions to take before doing OS upgrades to cluster? https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131183#M93867 <P>Thank you Neeraj.</P> Tue, 09 Feb 2016 02:10:04 GMT https://community.cloudera.com/t5/Support-Questions/O-S-Patch-updates-what-are-the-precautions-to-take-before/m-p/131183#M93867 prasad4u_com 2016-02-09T02:10:04Z