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Oracle® Database Reference
12c Release 1 (12.1)

E17615-24
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V$ASM_OPERATION

In an Oracle Automatic Storage Management (Oracle ASM) instance, V$ASM_OPERATION displays one row for every active Oracle ASM long running operation executing in the Oracle ASM instance.

Column Datatype Description
GROUP_NUMBER NUMBER Disk group number (primary key). This is the foreign key to the V$ASM_DISKGROUP view.
OPERATION CHAR(5) Type of the operation:
  • REBAL - Rebalance pending for this group. The disk group is rebalancing.

Starting with Oracle Database 12c, new queries should use the PASS column instead of this column.

PASS VARCHAR2(9) Type of the operation:
  • REBALANCE - Rebalance pending for this group. The disk group is rebalancing.

  • RESYNC - Resync operation in progress to bring one or more Oracle ASM disks online

  • COMPACT - Oracle ASM is moving user data closer together, which improves performance by reducing seek distance

Starting with Oracle Database 12c, new queries should use this column instead of the OPERATION column.

STATE VARCHAR2(4) State of the operation:
  • WAIT - No operations running for the group

  • RUN - Operation running for the group

  • REAP - Operation is being run down

  • DONE - Displayed for a pass that is complete

  • ERRS - Operation halted by errors

POWER NUMBER Power requested for the operation as specified by the ASM_POWER_LIMIT initialization parameter or command syntax
ACTUAL NUMBER Power allocated to the operation
SOFAR NUMBER Number of Allocation Units that have been moved so far by the operation
EST_WORK NUMBER Estimated number of Allocation Units that have to be moved by the operation
EST_RATE NUMBER Estimated number of Allocation Units that are being moved per minute by the operation
EST_MINUTES NUMBER Estimated amount of time (in minutes) that the remainder of the operation is expected to take
ERROR_CODE VARCHAR2(44) Oracle external error code; NULL if no error
CON_ID NUMBER The ID of the container to which the data pertains. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

For this view, the value is always 0.


See Also:

Oracle Automatic Storage Management Administrator's Guide for additional information about using views to display Oracle ASM information