lsbackendtypes

Use the lsbackendtypes command to list the types of back-end storage systems.

More information, such as the name, description, and cache hit ratio of the back-end type of the storage system is also provided. This command is available for the following storage systems:
  • Storwize® V7000
  • Storwize® V7000 Unified
  • SAN Volume Controller

Syntax


1  tpctool lsbackendtypes  -user  user_name -pwd  password   -url  url?  -fs  character?  -header ?  -help?  -qs  character?   -silent?  -grouping

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.
-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: Displaying a list of types of back-end storage systems

The following command provides a list of the types of back-end storage systems:

tpctool> lsbackendtypes
A list of the types of back-end storage subsystem is displayed.
Back-end Type Name            Cache Hit Ratio         
=================================================
Fake          F800            100
X             XIV             70
D             DS8000          50
S             "EMC Symmetrix" 50
C             "EMC Clariion"  50
DEFAULT       DEFAULT         0

Description
========================================
"Theoretical All Cache subsystem"
"IBM XIV"
"DS8K Disk Controller"
"DMX BE Cache Hit Ratio"
"CX BE Cache Hit Ratio"
"DEFAULT TYPE FOR UNCONFIGURED DEVICES"
When you issue the lsbackendtypes command, the following information is displayed:
Back-end Type
The type of back-end storage system such as D
Name
The name that is associated with the type of back-end storage system. For example, the name DS8000 is associated with type D
Cache Hit Ratio
The estimated cache hit ratio for read operations
Description
A description of the type of back-end storage system
Tip: Use the setbackendtype command to set or update the type of back-end storage system.