300 VM/HSC 6.0 System Programmer’s Guide
1st ed., 6/30/04 - 312579601
If a host has abended, the active flag is left on. If the host cannot be restarted and ended
normally, use the SET HSCLEVEL utility to reset the active flag.
How the SET Utility Functions
One of the facilities provided by the SET utility is to change the RESERVE QNAME that
was defined during LIBGEN and stored in the CDS. The RESERVE QNAME is used by
the HSC and utilities running on each host to ensure that access to the CDS is serialized.
The SET utility and HSC use an additional StorageTek-defined RESERVE QNAME to
maintain serialization while the customer-defined RESERVE QNAME is being changed.
The SET utility issues two RESERVEs against the CDS prior to an update, consisting of:
• A RESERVE with the StorageTek-defined QNAME ‘‘STKENQNM’’
• A RESERVE using the existing customer-defined QNAME (or the default value of
‘‘STKALSQN’’).
Table 14. HSC State to Run SET Options
SET Option
Affected HSCs
All Other HSCs
ACSDRV
Down Active
CLNPRFX Down
Down
COMPRFX
Active
Active
DELDISP Active
Active
EJCTPAS Active Active
FREEZE Active
Active
HOSTID
Down Active
HSCLEVEL Down
Active
MAJNAME
Down
Down
NEWHOST
Active
Active
NNLBDRV Down Active
SCRLABL
Active
Active
SLIDRIVS
Down
*
*
In some cases, the SLIDRIVS parameter can be run effectively with the HSC ac-
tive. Refer to “Running SET SLIDRIVS With the HSC Active” on page 313 for
more details.
Down
*
SLISTATN Down
Active
SMF
Active Active
TCHNIQE
Down
Down
Set
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