IBM XIV User Manual

Listing Details on Performance Classes
Lists Performance Classes
perf_class_list [ perf_class=perfClassName ]
Parameters:
Name Type Description Mandatory Default
perf_class String Name of a
Performance Class.
If left unspecified -
all performance
classes will be
listed.
N All Performance
classes.
This command lists details of a specified Performance Class, or all Performance
Classes.
Id Name Default Position
name Performance class 1
max_iops Max IO rate(IOPOS) 2
max_bw Max BW rate(MB/s) 3
hosts Hosts 4
Example:
perf_class_list
Access Control:
User Category Permission
Storage administrator Allowed
Storage integration administrator Allowed
Application administrator Disallowed
Security administrator Disallowed
Read-only users Allowed
Technicians Disallowed
Adding a Host to a Performance Class
Adds a host to a Performance Class
perf_class_add_host perf_class=perfClassName host=HostName
Parameters:
Name Type Description Mandatory
perf_class Object name Name of a Performance
Class
Y
Chapter 2. Host and Cluster Management
29

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