setbackendtype

Use the setbackendtype command to set or update the type of back-end storage system.

This command is available for the following storage systems:

Storwize® V7000
Storwize V7000 Unified
SAN Volume Controller

You must have Administrator authority to use this command.

Syntax for setting and updating back-end types of storage systems

Use this syntax to set a new type of back-end storage system:

Use this syntax to update a type of back-end storage system:

Parameters and arguments

-user user_name

Specifies an IBM Spectrum Control user ID.

-pwd password

Specifies the password for the IBM Spectrum Control user ID.

-url url

Specifies the Device server. The format of the URL is system:port_number, where system represents either the host name or IP address, and port_number represents the IBM Spectrum Control Device server port.

-type storage_system_type

Specifies the type of back-end storage system that manages most of the subsystem pool resources. The maximum number of characters that you can enter is 10. You can enter a type or use one of the following values:

Value	Name
C	EMC Clariion
D	DS8000®
S	EMC Symmetrix
X	XIV®
DEFAULT	Default value

-name storage_system_name

Specifies the name of the back-end type of storage system. The maximum number of characters that you can enter is 256. The name of the type of storage system is displayed on the MDisk Group Details page in the IBM Spectrum Control graphical user interface. You can enter a name or use one of the following values.

Description value	Associated type value
"EMC Clariion"	C
DS8000	D
"EMC Symmetrix"	S
XIV	X
DEFAULT	DEFAULT

Tip: If you enter a value for the -name or -description parameter that contains spaces, you must enclose the value in double quotation marks such as "My Description".

-cachehit cache_hit_ratio

Specifies the ratio of cache hits for read operations. The maximum number of characters that you can enter is 4. You can specify a value or use one of the following values:

Value	Back-end storage system
50	EMC Clariion
50	DS8000
70	EMC Symmetrix
50	XIV
0	Default value

-description description

Provides more information about the type of back-end storage system. The maximum number of characters that you can enter is 256. You can enter a description or use one of the following values:

Value	Description
"CX BE Cache Hit Ratio"	EMC Clariion
"DS8K Disk Controller"	DS8000
"DMX BE Cache Hit Ratio"	EMC Symmetrix
"IBM XIV"	XIV
"DEFAULT TYPE FOR UNCONFIGURED DEVICES"	0 (default value)

-fs character

Specifies the 7-bit character that separates the information in the output. If you omit this parameter, the information is separated by blank spaces.

-header

Suppresses the column headings in the output. If you omit this parameter, the column headings are included.

-help | -h | -?

Lists help information for the command.

-qs character

Specifies the 7-bit character that surrounds character strings and date stamps in the output. If you omit this parameter, character strings and date stamps are enclosed by double quotation marks (").

-silent

Suppresses all output for the command. If you omit this parameter, output is included.

-grouping

Enables the grouping of numeric values. For example, in English the value 12000 would display as 12,000. The grouping character is determined by the system locale.

Example: Setting a new type of back-end storage system

The following command sets a new type of back-end storage system:

setbackendtype -type L -name test3 -cachehit 90 -description test_3

The following message is displayed:

Back-end Type Status
========================
L             Succeeded.