ACL 4/52 Software Interface Guide
Document 6211225-03
Version 3.0
SCSI Interface
3-63
The returned Request Volume Element Address Data has the general
structure as depicted in Figure 3.
Figure 3: Request
Volume Element Address
Data General Structure
A single Volume Element Address Header is returned along with one
or more element status pages. The Volume Element Address indicates
the address of the first element reported, the number of elements
reported, the action code of the reported Send Volume Tag command
and the size of the report for all requested data.
The size of the report is given in bytes. The size is the total number of
bytes that would be contained in the report for all requested data less
seven. The Request Volume Element Address command can be given
with an Allocation Length of eight to determine how much space must
be allocated to transfer all of the status data requested by the
command.
Request Volume Element Address Data
Request Volume Element Address Data Header
Element Status Data Page (first or only)
Element Status Data Page Header
Element Descriptor (first or only)
Other Element Descriptors (if any)
.
.
.
.
.
.
Other Status Data Pages (if any)