rmbackendtype

Use the rmbackendtype command to remove a 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.
When you issue the rmbackendtype command to remove a type of back-end storage system, the following actions occur:
  • The type is removed from the set of back-end types.
  • The type is reset to DEFAULT in back-end storage systems that are set to the back-end type that is removed.
Tip: You can use the following commands to set the type of back-end storage system:
  • setarray
  • setbackendtype
You can also set the type of back-end storage system on the MDisk Group Details page in the IBM Spectrum® Control graphical user interface.

Syntax


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

Parameters and arguments

-type storage_system_type
Specifies the type of back-end storage system that manages most of the storage pool resources. Specify a type of back-end storage system or enter one of the following values.
Value Name
C EMC Clariion
D IBM® System Storage® DS8000®
S EMC Symmetrix
X IBM XIV® Storage System
DEFAULT Default value
Tip: Use the lsbackendtypes command to show a list of back-end storage systems.
-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: Removing a type of back-end storage system

The following command removes the specified type of back-end storage system:
tpctool> rmbackendtype -type L
The type of back-end storage system that is removed is displayed:
Back-end Type Status
========================
L             Succeeded