HP 3PAR StoreServ 7400 2-node HP 3PAR Web Service API 1.2 Developer's - Page 29
Working with Common Provisioning Groups, CPG Enumeration and Configuration Objects
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3 Working with Common Provisioning Groups You can use a common provisioning group (CPG) to create a virtual pool of logical disks that allows virtual volumes to share the resources of the CPG and allocates space on demand. You can create fully-provisioned virtual volumes (FPVVs) and thinly-provisioned virtual volumes (TPVVs) that draw space from the logical disk pool. You can use this chapter to: • Create a CPG • Modify a CPG • Remove a CPG • Query a CPG CPG Enumeration and Configuration Objects Many of the CPG operation objects have enumerations or contain sub-objects, as described in the following sections. CPG LDLayout JSON Objects LDLayout is a sub-object of the CPG object for creation and modification. It is also returned within the CPG's SAGrowth and SDGrowth objects upon query of CPGs. See Table 8 (page 29). Table 8 JSON Objects for CPG LDLayout Member RAIDType setSize HA JSON Type number API Type RAIDType enum Ignored Values Negative values number igint32 Negative values number HA enum Negative values chunkletPosPref number diskPatterns array of objects chunkletPosPref enum array of diskPatterns objects Negative values None Description Specifies the RAID type for the logical disk. Specifies the set size in the number of chunklets. Specifies that the layout must support the failure of one port pair, one cage, or one magazine. Specifies the chunklet location preference characteristics. Specifies patterns for candidate disks. CPG RAIDType Enumeration Upon creation, modification, and query, the RAID type is specified as an enumeration as shown in Table 9 (page 29). Table 9 CPG RAIDType Enumeration Symbol R0 R1 R5 R6 Value 1 2 3 4 Description RAID level 0 RAID level 1 RAID level 5 RAID level 6 CPG Enumeration and Configuration Objects 29