lsbackendraidtypes

Use the lsbackendraidtypes command to list the types of back-end RAID arrays that are available for managed disk groups.

This command is available for the following storage systems:
  • Storwize® V7000
  • SAN Volume Controller

Syntax

Read syntax diagramSkip visual syntax diagramtpctoollsbackendraidtypes-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: Listing back-end RAID types

The following command lists the available types of back-end RAIDs.

tpctool> lsbackendraidtypes
If the command is successful, a list of the available types of back-end RAIDs is displayed.
Back-end RAID Type Weighted IO
====================================================================
X                 1
6                 6
5                 4
1                 2
DEFAULT           1
When you issue the lsbackendraidtypes command, the following information is displayed.
Backend RAID Type
The type of back-end RAID array. Possible values are DEFAULT, 1, 5, 6, X, or an array type that is set with the setbackendraidtype command.
Weighted IO
The weighted input/output of the RAID type.
Tip: Use the setbackendraidtype command to set or update the type of a back-end RAID array.