ZFS_VERIFY_COMPRESSION_HEALTH
- Description:
- Checks whether all user cache pages are registered with the zEDC Express service when there are compressed file systems.
- Reason for check:
- zFS performance might be affected when there are compressed file systems and there are cache pages that are not registered with the zEDC Express service.
- z/OS® releases the check applies to:
- z/OS V2R3 and later.
- User override of IBM® values:
-
The following sample shows the defaults for customizable values for this check. Use this sample to make permanent customizations in an HZSPRMxx parmlib member that is used at IBM Health Checker for z/OS startup. If you just want a one-time only update to the check defaults, omit the first line (ADDREPLACE POLICY) and use the UPDATE statement on a MODIFY HZSPROC command. Note that using non-POLICY UPDATE statements in HZSPRMxx can lead to unexpected results and is therefore not recommended.
ADDREPLACE POLICY[(policyname)] [STATEMENT(name)] UPDATE CHECK(IBMZFS,ZFS_VERIFY_COMPRESSION_HEALTH) SEVERITY(LOW) INTERVAL(ONETIME) DATE('date_of_the_change') REASON('reason for making change') - Debug support:
- No.
- Verbose support:
- No.
- Parameters accepted:
- None.
- Default:
- None.
- Reference:
- None.
- Messages:
- This check issues the following messages:
- IOEZH0074E