IBM XIV User Manual

Parameters:
Name Type Description Mandatory
xcg Object name Name of a Cross-system
Consistency Group.
Y
Creates a Cross-system Consistency Group (XCG) definition to which Consistency
Groups on different XIV systems may be associated.
Example:
xcg_create xcg=DBbackup
Output:
Command completed successfully
Access Control:
User Category Permission Condition
Storage administrator Allowed N/A
Storage integration administrator Allowed N/A
Application administrator Conditionally Allowed At least one of the volumes in
the group is mapped to a host or
cluster associated with the user.
If a Snapshot Group overwrite is
used, then the target Snapshot
Group must be one created by a
server administrator.
Security administrator Disallowed N/A
Read-only users Disallowed N/A
Technicians Disallowed N/A
Completion Codes:
v XCG_NAME_EXISTS
Cross Consistency Group name already exists.
v MAX_XCGS_REACHED
Maximum number of Cross Consistency Groups already defined.
Associates an Existing Consistency Group to a Cross-System
Consistency Group Definition
Associates an existing Consistency Group to a Cross-system Consistency Group
definition.
xcg_add_cg xcg=XcgName cg=cgName
Parameters:
Name Type Description Mandatory
xcg Object name Name of a Cross-system
Consistency Group.
Y
Chapter 6. Consistency Group Management
91

IBM XIV Specifications

General

Power Supply	Redundant power supplies
Drive Type	SATA
Redundancy	Fully redundant components
Connectivity	Fibre Channel, iSCSI
Form Factor	Rack-mounted
Cache	Distributed cache across modules
Data Protection	Snapshots, remote mirroring
Performance	High throughput and low latency
Scalability	Modular, scale-out architecture
Cooling	Redundant cooling
Architecture	Grid-based, distributed architecture