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156   VM/HSC 6.0 System Programmer’s Guide
1st ed., 6/30/04 - 312579601
UNIT
specifies the unit where the definition data set is located.
 unitname
specifies the unit name. If the definition data set is not cataloged and this 
parameter is omitted, a unit name of SYSALLDA is the default.
HOSTID
(This parameter is valid only for use in PARMLIB, so that multiple systems can 
share a PARMLIB member containing TAPEREQ, VOLATTR, or UNITATTR 
statements for different releases of HSC. If entered from the console, message 
SLS0018I is issued.) 
Optionally, limits the execution of this control statement to the specified hosts. If one 
of the specified hostids matches the host executing this control statement, the control 
statement is executed for that host. Otherwise, it is ignored. If this parameter is 
omitted, the control statement is executed on all hosts. 
host-id
specifies the name of one or more hosts from which to execute this control 
statement. Multiple hosts must be separated by commas. 
Examples 
The following examples illustrate the use of the VOLDEF statement.
Load the VOLATTR Parameters From YOUR.DSN(MEMBER) 
Load the VOLATTR Parameters From DASD Volume DISK02
VOLDEF DSN(‘YOUR.DSN(MEMBER)’)
VOLDEF DSN(YOUR.DSN2) VOLUME(DISK02)
VOLDEF