setbackendraidtype

Use the setbackendraidtype command to set the types of back-end RAID arrays for managed disk groups.

This command is available for the following storage systems:
  • Storwize® V7000
  • SAN Volume Controller
You must have Administrator authority to use this command.

Syntax

Read syntax diagramSkip visual syntax diagramtpctoolsetbackendraidtype-user user_name -pwd password -url url -typeraid_type -weightedioweighted_io -fs character-header -help-qs character?-silent-grouping

Parameters and arguments

-type raid_type
Specifies the type of the back-end RAID array. You can specify a back-end RAID type or use one of the following values:
Value Description
DEFAULT The default RAID type.
1 RAID 1
5 RAID 5
6 RAID 6
X The RAID type that is used by IBM® XIV® Storage System.
Tip: Use the lsbackendraidtypes command to list the available types of back-end RAIDs.
-weightedio weighted_io
Specifies the weighted input/output of the RAID type.
-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: Setting back-end RAID types

The following command sets a type of back-end RAID:
tpctool> setbackendraidtype -type testing -weightedio 15
If the command is successful, the following message displays:
Back-end RAID Type Weighted IO
=======================
testing           Succeeded.