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Using the Storage Navigator GUI 3-17
Hitachi Universal Storage Platform V/VM Hitachi Storage Navigator User’s Guide
Number of LDEVs
The Number of LDEVs are on the lower right of the Storage Navigator main
window.
• Allocated OPEN LDEVs: displays the number of open system volumes
(LDEVs) that have assigned paths. Each of LDEVs that consist of a LUSE
volume is also counted as one volume.
• Unallocated OPEN LDEVs: displays the number of open system volumes
(LDEVs) that do not have assigned paths. This number does not include
reserved volumes of Volume Migration, journal volumes, pool volumes, or
system disks.
• Reserved OPEN LDEVs: displays the number of reserved volumes of
Volume Migration, journal volumes, pool volumes, and system disks among
open system volumes (LDEVs). This number does not include reserved
volumes of ShadowImage.
• Allocated Mainframe LDEVs: displays the number of zSeries
®
, S/390
®
,
and multiplatform volumes (LDEVs) that have assigned paths. This number
does not include reserved volumes of Volume Migration, journal volumes,
pool volumes, or system disks.
• Reserved Mainframe LDEVs: displays the number of reserved volumes
of Volume Migration, journal volumes, and system disks among zSeries
®
,
S/390
®
, and multiplatform volumes (LDEVs). This number does not include
reserved volumes of ShadowImage for IBM z/OS.
• V-VOL: displays the number of V-VOLs which are virtual volumes (LDEVs)
that do not consume the actual disk capacity. V-VOLs are currently used
for Copy-on-Write Snapshot and Dynamic Provisioning. For details, please
see the Copy-on-Write Snapshot User's Guide or the Dynamic Provisioning
User’s Guide.
• Total (All LDEVs): displays the sum of allocated OPEN LDEVs, unallocated
OPEN LDEVs, reserved OPEN LDEVs, allocated Mainframe LDEVs, reserved
Mainframe LDEVs, and V-VOLs.