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BMC AMI Recover for Db2 12.1 ... Command and syntax reference OPTIONS command OPTIONS option descriptions

SORT specification description

Use the SORT specification to have greater control over the sort routine.

You can specify values for the parameters that are associated with the SORT specification only on the OPTION command statement in BMC AMI Recover. Your specifications affect all sorts invoked by the recovery. (For more information, see Sort performance.)

Note

BMC AMI Recover uses BMCSORT as the sort engine. We recommend that you not change any SORT specification option defaults unless necessary.

OptionDescription

SORTDIAG

Use the SORTDIAG option to provide sort diagnostic messages.

ValueDescription
SORTDIAG NO(Default) SORTDIAG NO turns off any provision for diagnostic messages.
SORTDIAG YESSORTDIAG YES turns on diagnostic messages. The messages are written to SYSOUnnn. These messages include storage usage statistics and EXCP counts. BMC AMI Recover dynamically allocates a SYSOUnnn DD statement automatically if one is not provided.

SORTDYN

Use the SORTDYN option to control and override installation defaults for sort work dynamic allocation.

ValueDescription
SORTDYN YESSORTDYN YES specifies that dynamic allocation can occur and should use the BMC AMI Recover specification for SORTDEVT and SORTNUM.
SORTDYN NOSORTDYN NO specifies that BMCSORT defaults for sort work dynamic allocation should be used.

RESINV (integerK)

This option overrides the RESINV installation option (RESINV=0K) and specifies the amount of memory that BMCSORT reserves below the 16-MB line to allow for IDCAMS processing. The installation default value of RESINV=0K allows BMCSORT defaults to be used.

Note

We recommend that you use the default value so that BMCSORT uses its algorithms effectively.

For BMC AMI Recover versions earlier than version 4.1.00, which do not use BMCSORT, the following information may apply:

  • If the system sort routine is PLSORT, always set RESINV=0K.

  • RESINV corresponds to the SyncSort RSRVTI installation option.

  • For DFSORT, RESINV is used only when DFSORT is program-invoked and the DFSORT parameter SIZE=MAX is in effect.

SMCORE (integerK, integerK)

This option overrides the SMCORE installation option (SMCORE=(0K,0K)) and specifies the maximum amount of memory that BMCSORT uses. The first value specifies the total amount of memory used both above and below the 16-MB line. The second value specifies the amount of memory used below the 16-MB line. The default values of SMCORE=(0K,0K) allow BMCSORT defaults to be used.

Note

We recommend that you use the SMCORE=(0K,0K) defaults so that BMCSORT uses its algorithms effectively.

For BMC AMI Recover versions earlier than version 4.1.00, which do not use BMCSORT, the following information may apply:

  • For SyncSort, both the first and the second values are used because SyncSort does use memory both above and below the 16 MB line.

  • For DFSORT, only the first value is used because DFSORT does not allow separate specification of memory usage below the 16 MB line.

For more information, see Sort performance if your system sort routine is DFSORT, SyncSort, or another package.

Related topics

OPTIONS option descriptions

KEYSORT

LOGSORT work data set specification description

BMC AMI Recover sort parameters

SORTDEVT and SORTNUM sort work data set options

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Last modified by Anagha Evans on Nov 27, 2020
command_reference syntax

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