IBM XIV User Manual

This command succeeds even if the new name is identical to the current name.
Example:
cg_rename cg=DBgroup new_name=DBvolumes
Output:
Command completed successfully
Access Control:
User Category Permission
Storage administrator Allowed
Storage integration administrator Allowed
Application administrator Disallowed
Security administrator Disallowed
Read-only users Disallowed
Technicians Disallowed
Completion Codes:
v CONS_GROUP_BAD_NAME
Consistency Group name does not exist.
v CONS_GROUP_NAME_EXISTS
Consistency Group name already exists.
Suspend I/O Execution on Consistency Group
Suspend IO execution on CG
io_pause cg=cgName [ milli_seconds_to_resume=MilliSecondsTimeout ]
[ allow_read=AllowRead ]
Parameters:
Name Type Description Mandatory Default
milli_
seconds_
to_resume
Positive integer Timeout for auto
resume,
measurement
starts when
current IOs
execution on CG
completes
N 10000
allow_read Boolean Flag controls
whether to enable
read IOs during
the io_pause
period
N yes
cg Object name CG name Y N/A
Suspend I/O execution on Consistency Group with auto-resume timeout
It is possible to suspend execution of all I/Os or just writes
Chapter 6. Consistency Group Management 87

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