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Using the SIXSNAP option

The SIXSNAP option determines whether REORG PLUS uses the Instant Snapshot technology of SUF (also known as XBM) to create a copy of storage-group-defined nonpartitioned indexes.

To use Instant Snapshot, you must have a supported intelligent storage device. For a list of supported devices, see the

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Related topic

Instant Snapshot with nonpartitioned indexes

The following table shows how the value of the SIXSNAP command or installation option determines the action that REORG PLUS takes if a copy failure occurs.

SIXSNAP value

Instant Snapshot fails for

REORG PLUS action

AUTO

One or more nonpartitioned indexes

Makes a software-based copy of each index that failed

One or more components of a multi-data-set object

Makes a software-based copy of every component of that multi-data-set index

YES

Any index

Terminates

We recommend that you specify AUTO instead of YES, especially if your hardware vendor is STK. For more information, see Hardware vendor considerations.

For information about the SUF (also known as XBM) requirements, see  SUF (also known as XBM) considerations.

To use Instant Snapshot technology to copy nonpartitioned indexes

  1. Ensure that you have a currently supported version of SUF (also known as XBM) as described in System setup.
  2. Ensure that you have a supported intelligent storage device (see

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    ).
  3. Specify AUTO or YES on the SIXSNAP command or installation option.
  4. Specify YES on the REDEFINE command or installation option.If the value for REDEFINE is NO, REORG PLUS operates as follows:
    • If SIXSNAP is AUTO, REORG PLUS changes SIXSNAP to NO and produces a software-based copy.
    • If SIXSNAP is YES, REORG PLUS terminates.
  5. (optional) Use the XBMID installation or command option to specify the SUF (also known as XBM) subsystem that you want REORG PLUS to use for snapshot processing.
  6. Review the information in the rest of this section for any additional actions to take.

 

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