check_oracle_health

$ check_oracle_health --help
Copyright (c) Gerhard Lausser


  Check various parameters of Oracle databases 

  Usage:
    check_oracle_health [-v] [-t ] --connect=
        --username= --password= --mode=
        --tablespace=
    check_oracle_health [-h | --help]
    check_oracle_health [-V | --version]

  Options:
    --connect
       the connect string
    --username
       the oracle user
    --password
       the oracle user's password
    --warning
       the warning range
    --critical
       the critical range
    --mode
       the mode of the plugin. select one of the following keywords:
       tnsping                          (Check the reachability of the server)
       connection-time                  (Time to connect to the server)
       connected-users                  (Number of currently connected users)
       sga-data-buffer-hit-ratio        (Data Buffer Cache Hit Ratio)
       sga-library-cache-hit-ratio      (Library Cache Hit Ratio)
       sga-dictionary-cache-hit-ratio   (Dictionary Cache Hit Ratio)
       sga-latches-hit-ratio            (Latches Hit Ratio)
       sga-shared-pool-reload-ratio     (Shared Pool Reloads vs. Pins)
       sga-shared-pool-free             (Shared Pool Free Memory)
       pga-in-memory-sort-ratio         (PGA in-memory sort ratio)
       invalid-objects                  (Number of invalid objects in database)
       stale-statistics                 (Find objects with stale optimizer statistics)
       tablespace-usage                 (Used space in tablespaces)
       tablespace-free                  (Free space in tablespaces)
       tablespace-remaining-time        (Remaining time until a tablespace is full)
       tablespace-fragmentation         (Free space fragmentation index)
       tablespace-io-balance            (balanced io of all datafiles)
       tablespace-can-allocate-next     (Segments (of a tablespace) can allocate next extent)
       datafile-io-traffic              (io operations/per sec of a datafile)
       soft-parse-ratio                 (Percentage of soft parses)
       switch-interval                  (Time between redo log file switches)
       retry-ratio                      (Redo buffer allocation retries)
       redo-io-traffic                  (Redo log io bytes per second)
       roll-header-contention           (Rollback segment header contention)
       roll-block-contention            (Rollback segment block contention)
       roll-hit-ratio                   (Rollback segment hit ratio (gets/waits))
       roll-wraps                       (Rollback segment wraps (per sec))
       roll-extends                     (Rollback segment extends (per sec))
       roll-avgactivesize               (Rollback segment average active size)
       seg-top10-logical-reads          (user objects among top 10 logical reads)
       seg-top10-physical-reads         (user objects among top 10 physical reads)
       seg-top10-buffer-busy-waits      (user objects among top 10 buffer busy waits)
       seg-top10-row-lock-waits         (user objects among top 10 row lock waits)
       event-waits                      (processes wait events)
       event-waiting                    (time spent by processes waiting for an event)
       enqueue-contention               (percentage of enqueue requests which must wait)
       enqueue-waiting                  (percentage of time spent waiting for the enqueue)
       latch-contention                 (percentage of latch get requests which must wait)
       latch-waiting                    (percentage of time a latch spends sleeping)
       sysstat                          (change of sysstat values over time)
       flash-recovery-area-usage        (Used space in flash recovery area)
       flash-recovery-area-free         (Free space in flash recovery area)
       sql                              (any sql command returning a single number)
       list-tablespaces                 (convenience function which lists all tablespaces)
       list-datafiles                   (convenience function which lists all datafiles)
       list-enqueues                    (convenience function which lists all enqueues)
       list-latches                     (convenience function which lists all latches)
       list-events                      (convenience function which lists all events)
       list-background-events           (convenience function which lists all background events)
       list-sysstats                    (convenience function which lists all statistics from v$sysstat)

    --name
       the name of the tablespace, datafile, wait event, 
       latch, enqueue, or sql statement depending on the mode.
    --name2
       if name is a sql statement, this statement would appear in
       the output and the performance data. This can be ugly, so 
       name2 can be used to appear instead.
    --regexp
       if this parameter is used, name will be interpreted as a 
       regular expression.
    --units
       one of %, KB, MB, GB. This is used for a better output of mode=sql
       and for specifying thresholds for mode=tablespace-free
    --ident
       outputs instance and database names

  Tablespace-related modes check all tablespaces in one run by default.
  If only a single tablespace should be checked, use the --name parameter.
  The same applies to datafile-related modes.

  tablespace-remaining-time will take historical data into account. The number
  of days in the past can be given with the --lookback parameter. (Default: 30)
  
  In mode sql you can url-encode the statement so you will not have to mess
  around with special characters in your Nagios service definitions.
  Instead of 
  --name="select count(*) from v$session where status = 'ACTIVE'"
  you can say 
  --name=select%20count%28%2A%29%20from%20v%24session%20where%20status%20%3D%20%27ACTIVE%27
  For your convenience you can call check_oracle_health with the --encode
  option and it will encode the standard input.

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