Measure Reference Manual

PLPT
(ZMS Style only in Measure H03 and later PVUs) The PLPT structure replaces the SCSI-ID field.
More attributes were necessary to identify a CLIM device, so the SCSI-ID field (which had a range
of 0 to 999) was reduced to 16 bits and became the PLPT.TARGET-ID field. This structure is used
in descriptor and data records. The PLPT structure consists of five subfields:
Identifies this field as a PLPT structure rather than a SCSI-ID field. Since
the scsi-id could have a -1F (wildcard) in it (if it is a descriptor), this
MEAS_CLIM_RELPLPT-FLAGS
flag only has meaning if the PLPT-FLAGS field is not all 1s. To maintain
downward compatibility, this bit is not set for descriptors returned using
MEASLISTCONFIG unless the device configuration was specifically for
a CLIM device.
(Not used with the DEVICE entity.) Only used in descriptors, not data
records.
MEAS_PATH_SEL
Indicates that this descriptor or data record is for a CLIM device.MEAS_CLIM_DEVICE
(Not used with the DEVICE entity.) Only used in descriptors, not data
records.
MEAS_MULTIPLE_CLIMS
(Not used with the DEVICE entity.)PATH
Logical unit number. This number is a unique number assigned to a disk drive within a storage
CLIM. This number is unique only within a particular CLIM. For pre-CLIM devices, this number is is
LUN
0. For CLIM devices, the valid range is 0 to 65534. This field is treated as an unsigned number.
If lun is in a descriptor, the wildcard is all 1s
(Not used with the DEVICE entity.)PARTITION
SCSI device ID returned by the SCSI Interface Manager. Prior to the Measure H03 PVU, this value
was stored in the 64-bit SCSI-ID field. This value only requires 16 bits, so starting with the Measure
TARGET-ID
H03 PVU this value is stored in this smaller field in order to use the free upper 48 bits for lun and
path. The valid values for target-id are 0 to 999. If target-id is in a descriptor, the wildcard
is all 1s.
SAC-NAME
Logical name of the ServerNet addressable controller (SAC) supporting this device for this path.
Logical names are maintained by the system configuration database. If the device is a CLIM device,
SAC-NAME is the name of the CLIM. The name is null-filled and null-terminated.
SCSI-ID
SCSI port identifier for this device.
SERVERNET
(G-series and later RVUs) ServerNet fabric used by this device. The Measure subsystem measures
all device records relative to the specified fabric. The value is 0 for X fabric, 1 for Y fabric. The
default is to measure records for both fabrics.
Devices connected by a ServerNet/DA do not have an X or Y fabric. To indicate these disks, use
an asterisk (*). In this case, you can use an asterisk (*) in the LISTACTIVE command as long as
the rest of the entity specification describes one device.
Devices connected by an FCSA or CLIM are dual fabric adapters, that is, they are connected to
both the X and Y fabrics. For these disks, only "*" or "X" should be specified in the LIST command,
and only "X" should be specified in the LISTACTIVE command.
184 Entities and Counters