486 IBM Midrange System Storage Hardware Guide
Controller commands
Table 8-3 lists the controller commands.
Table 8-3 Controller commands
Command Description
clear allDriveChannels
stats
This command resets the statistics for all physical disk channels.
diagnose controller This command runs diagnostic tests on the controller.
enable controller This command revives a controller that has become quiesced while running
diagnostics.
reset controller This command resets a controller.
save controller NVSRAM This command saves a copy of the controller NVSRAM values to a file.
set controller This command defines the properties for the controllers.
set controller
serviceAllowedIndicator
This command turns on or turns off the Service Action Allowed indicator light on a
DS4800 82A/84A command module controller. This command is valid only for the
DS4800 command modules.
set driveChannel status This command defines how the physical disk channel performs.
set hostChannel This command defines the loop ID for the host channel.
show controller For each controller in a storage subsystem, this command returns:
Status (online, offline)
Current firmware and NVSRAM configuration
Pending firmware and NVSRAM configuration configurations (if any)
Board ID
Product ID
Product revision
Serial Number
Date of manufacture
Cache/processor size
Date/time to which the controller is set
Associated logical drives (including preferred owner)
Ethernet port
Physical disk interface
Host interface (this applies only to Fibre Channel host interfaces)
show controller NVSRAM This command returns the NVSRAM bytes for the specified host type.
show driveChannel stats This command displays cumulative physical disk channel data transfer and error
information.
start driveChannel locate This command identifies the physical disk enclosures connected to a specific physical
disk channel by turning on the indicator lights for the physical disk enclosure connected.
stop driveChannel locate This command turns off the physical disk enclosure indicator lights that were turned on
by the start driveChannel locate command.
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