System requirements
Before you install the product, make sure that your environment meets the hardware and software requirements.
Product compatibility matrix
Db2 support
This version of CHECK PLUS supports IBM Db2 Versions 8, 9, and 10.
System requirements
This version of CHECK PLUS requires z/OS 1.10 or later.
Software requirements
This version of CHECK PLUS has the following requirements for additional IBM or BMC software:
- For all types of check jobs, CHECK PLUS requires a minimum of the versions of BMC common components:
- Version 2.3.01 of BMCSORT
- Version 10.1.00 of the DB2 Utilities Common Code (D2U)
- Version 10.1.00 of the DB2 Solution Common Code (SCC)
- To enable read/write access to your data during check processing, CHECK PLUS requires version 5.6.00 or later of the BMC EXTENDED BUFFER MANAGER (XBM) product or its SNAPSHOT UPGRADE FEATURE (SUF) technology. To enable Db2 Version 10 support, XBM and SUF also require PTF BPE0311.
- To offload eligible processing to a zIIP, CHECK PLUS requires version 5.6.00 of either XBM or SUF with PTF BPE0313, or a later version.
If you use the XBMID option to specify a particular XBM subsystem, that subsystem must be at this maintenance level. If you do not specify an XBM subsystem but ZIIP ENABLED is in effect, CHECK PLUS searches for an XBM subsystem at this level.
To enable Db2 Version 10 support,XBM and SUF also require PTF BPE0311.
Required authorization
To use the CHECK PLUS product, you must have the appropriate authorization within Db2 and through your system security package, such as the Resource Access Control Facility (RACF). You need sufficient authorization to access resources and perform the tasks that are accomplished during CHECK PLUS processing.
The following table describes how CHECK PLUS verifies authorization based on the authorization verification mechanism that is available for your system:
Available authorization | CHECK PLUS actions |
|---|---|
Db2 security exit | CHECK PLUS uses the DSNX@XAC authorization exit to verify authorization for external access. The exit is available from the sources:
We recommend this mechanism for implementing external security. The access control authorization exit must be available in the STEPLIB, JOBLIB, linklist, or in the SYS3.DSN exit. |
One of the security
| CHECK PLUS uses either of these Computer Associates products with any version of Db2. CHECK PLUS detects the presence of the product in the subsystem where CHECK PLUS is running. To use either of these products with CHECK PLUS, you must meet the following requirements:
|
None are available | CHECK PLUS uses the standard Db2 method to check security. |
DB2 authorization
To run CHECK PLUS, you must have the following authorizations:
- Sufficient Db2 authority to run the CHECK PLUS plan and all packages that the CHECK PLUS plan uses
- Authorization equivalent to the authorization that the comparable IBM Db2 CHECK utility requires
Data set authorization
CHECK PLUS does not use Db2 to access the data sets that it uses. Therefore, you must have system authorization that is equivalent to the authorization that is required by Db2. You can obtain this authorization in one of the following ways:
- If you use RACF, specify OPNDB2ID=YES in your installation options module.
- Establish authorization as described in Establishing authorization when OPNDB2ID=NO.
Using RACF and OPNDB2ID=YES
If you are using RACF and CHECK PLUS is installed with option OPNDB2ID=YES (which is the value that is shipped with CHECK PLUS), the user who is running CHECK PLUS is not required to have the authorizations that the section describes. OPNDB2ID=YES tells CHECK PLUS to use the Db2 RACF ID instead of the RACF ID of the user.
Establishing authorization when OPNDB2ID=NO
If RACF (or a similar system security package) protects both the underlying data sets and the Integrated Catalog Facility (ICF) catalog of a table or index space, you must have the minimum levels of authority as shown in the following Table.
Table or index space definition | To access Db2 data sets | To access the ICF catalog |
|---|---|---|
VCAT-defined | READ | READ |
STOGROUP-defined | READ | READ |
Using security packages other than RACF
The following procedure illustrates one method for granting data set authorizations when your site uses a system security package other than RACF:
- Associate users with a security group.
- Grant EXECUTE authority on the CHECK PLUS product program (ACKUMAIN) to the security group.
- Grant the data set authorizations that are described in Table 6 to the CHECK PLUS product program.
MEMLIMIT system parameter
CHECK PLUS requires above-the-bar memory and will abend if this memory is not available. The default value for the System Management Facility (SMF) MEMLIMIT parameter is 2 GB.
You can change the default MEMLIMIT parameter value in member SMFPRMxx in SYS1.PARMLIB by using one of the following methods:
- Specify the MEMLIMIT parameter in the JCL.
- Specify REGION=0M in the JCL.
- Use the SMF IEFUSI exit.
If you cannot specify REGION=0M, we recommend that you specify NOLIMIT to allow unlimited above-the-bar memory. If you cannot specify NOLIMIT, specify at least 4 GB.
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