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What type of Health Checks to be done on RAC databases?

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in 12C RAC by ACE (20,920 points)

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by ACE (20,920 points)

Using ORAChk 2.2.5

Checking Health of pluggable databases using OS authentication.

Health-checks are performed over:

  • CBO Statistics for schema objects accessed by the one SQL statement being analyzed
  • CBO Parameters
  • CBO System Statistics
  • CBO Data Dictionary Statistics
  • CBO Fixed-objects Statistics
Availability Health ID Title
Oracle Server - Enterprise Edition 10125 An odd number of voting disks must exist
Oracle Server - Enterprise Edition 10126 The status of a mounted ASM diskgroup needs to be examined and corrected
Oracle Server - Enterprise Edition 10225 Datafiles intended for use should be online
Oracle Server - Enterprise Edition 10193 Either LOG_ARCHIVE_DEST or LOG_ARCHIVE_DEST_n should be set to shared locations
Oracle Server - Enterprise Edition 10282 Remove ACTIVE_INSTANCE_COUNT from the PFILE/SPFILE
Oracle Server - Enterprise Edition 10341 Set REMOTE_LISTENER and LOCAL_LISTENER initialization parameters
Oracle Server - Enterprise Edition 10011 There is only one control file being used
Oracle Server - Enterprise Edition 10012 There is only one control file being used
Oracle Server - Enterprise Edition 10013 There is an insufficient number of redo logs files being used
Oracle Server - Enterprise Edition 10014 There is an insufficient number of redo logs files being used
Oracle Server - Enterprise Edition 10037 ARCHIVELOG mode needs to be enabled
Oracle Server - Enterprise Edition 10038 Enable automatic archiving by setting LOG_ARCHIVE_START to trUE
Oracle Server - Enterprise Edition 10089 Multiplex redo log files and place members of each group on separate disks
Oracle Server - Enterprise Edition 10015 Force logging mode is not being used
Oracle Server - Enterprise Edition 10016 Force logging mode is not being used
Oracle Server - Enterprise Edition 10017 The recovery area location is not set
Oracle Server - Enterprise Edition 10018 The recovery area location is not set
Oracle Server - Enterprise Edition 10003 Redo log files are too small

 

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