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  * [[https://support.oracle.com/epmos/faces/DocumentDisplay?id=888.1|Primary Note for Database Proactive Patch Program (Doc ID 888.1)]] - Patching master document,  or
  * [[https://support.oracle.com/epmos/faces/DocumentDisplay?id=2118136.2|Download Reference for Oracle Database/GI Update, Revision, PSU, SPU(CPU), Bundle Patches, Patchsets and Base Releases (Doc ID 2118136.2)]]

  * [[https://support.oracle.com/epmos/faces/DocumentDisplay?id=1187674.1|Information Center: Oracle Exadata Database Machine (Doc ID 1306791.2)]]
  * [[https://support.oracle.com/epmos/faces/DocumentDisplay?id=888828.1|Exadata Database Machine and Exadata Storage Server Supported Versions (Doc ID 888828.1)]]
  * [[https://support.oracle.com/epmos/faces/DocumentDisplay?id=1262380.1|Exadata Patching Overview and Patch Testing Guidelines (Doc ID 1262380.1)]]
  * [[https://support.oracle.com/epmos/faces/DocumentDisplay?id=1070954.1|Oracle Exadata Database Machine Exachk or HealthCheck (Doc ID 1070954.1)]]
  * [[https://www.pythian.com/blog/exadata-patching-overview/|Exadata patching overview - Pythian]]
Exadata Database Machine is a complete, integrated rack system that contains both hardware and software for running Oracle Database.\\
==== Patch order ====
Patching it is done on a per-component basis and in general, in this order:
=== Infiniband Switches ===
  *  Spine
  *  Leaf
Infiniband Switch patches may not be cumulative - needs to be checked in the README.

=== Storage Server Software ===
  *  Cell nodes
  *  Database Minimal Pack in compute nodes
These patches are usually launched from compute node 1 using dcli and ssh to remotely patch each cell node.\\
Patches can be applied in a rolling fashion or standalone.\\
Rolling
<code>
./patchmgr -cells <cells group> -patch_check_prereq -rolling
./patchmgr -cells <cells group> -patch -rolling
</code>
Standalone
<code>
./patchmgr -cells <cells group> -patch_check_prereq
./patchmgr -cells <cells group> -patch
</code>
Check the log files:
  *  /var/log/cellos/validations.log
  *  /var/log/cellos/vldrun*.log

=== Database server patch ===
  *  Grid Home (if applicable)
  *  Oracle Home
These patches are specific to Exadata - so download the right ones.\\
They are, however, installed using the standard opatch mechanism.

=== CRS MLR patches ===
  *  Grid Home
  *  Oracle Home (if applicable)