Volume Policies Configuration Object; Volume Space Objects; Volume Policies Json Objects; Volume Space Json Objects - HP 3PAR StoreServ 7200 2-node Manual

Volume policies Configuration Object

The policies of a volume are specified by the policies JSON object, as detailed in
40).
Table 29 Volume policies JSON Objects
Member
staleSS
oneHost
zeroDetect
system
caching

Volume Space Objects

The volume space is specified by the following three sub-objects, each of which uses the same
members:
adminSpace
snapshotSpace
userSpace
The members are listed in
Table 30 Volume Space JSON Objects
Member
reservedMiB
rawReservedMiB
usedMiB
freeMiB
40 Working with Storage Volumes
Value
Boolean
Boolean
Boolean
Boolean
Boolean
Table 30 (page 40).
JSON Type
number
number
number
number
Description
true: Stale snapshots. If there is no space for a
copy-on-write operation, the snapshot is allowed to
go stale but the host write can proceed without an
error.
false: No stale snapshots. If there is no space for
a copy-on-write operation, the host write will fail.
true: This indicates a volume is constrained to
export to one host or one host cluster.
false: This indicates a volume exported to multiple
hosts for use by a cluster-aware application, or
when "port presents" VLUNs are used
true: This indicates that the storage system will
scan for zeros in the incoming write data.
false: This indicates that the storage system will
not scan for zeros in the incoming write data.
true: Special volume used by the system.
false: Normal user volume
This is a read-only policy and cannot be set.
true: This indicates that the storage system is
enabled for write caching, read caching, and read
ahead for the volume
false: This indicates that the storage system is
disabled for write caching, read caching, and read
ahead for the volume.
API Type
uint32
uint32
uint32
uint32
Table 29 (page
Description
Reserved space in MiB.
Raw reserved space in MiB.
Used space in MiB.
Free space in MiB.