Reference Guide
Table Of Contents
- Dell EMC PowerEdge RAID Controller Command Line Interface Reference Guide
- Contents
- Overview
- Accessing the command prompt
- Working with the PERC Command Line Interface Tool
- System commands
- Controller commands
- Drive commands
- Virtual drives commands
- Add virtual drives commands
- Delete virtual drives commands
- Delete non-RAID disks
- Virtual drive show commands
- Preserved cache commands
- Change virtual drive properties commands
- Virtual drive initialization commands
- Virtual drive erase commands
- Virtual drive migration commands
- Virtual drive consistency check commands
- Background initialization commands
- Foreign configurations commands
- BIOS-related commands
- Drive group commands
- BBU commands
- Enclosure commands
- PHY commands
- Logging commands
- PERC CLI command examples
- Getting a complete list of CLI commands
- Checking controller availability
- Viewing controllers
- Viewing free space information
- Viewing disk1 information
- Viewing controller, virtual disk, and drivers information
- Checking for preserved cache
- Deleting preserved cache
- Viewing expansion information
- Viewing expansion size
- Viewing the foreign configuration
- Importing the foreign configuration
- Viewing BBU information
- Viewing physical drive details for the specified slot in the controller
- Viewing the boot drive for the controller
- Setting virtual drive as boot drive
- Locating a drive
- Stopping a locate operation
- Snapdump commands
- Getting help
- Documentation resources
Table 3. Properties for show and set commands (continued)
Property name Set command range Description
copyback
● on|off type = smartssd|smarthdd|all
● smartssd: Copy back enabled for SSD drives.
● smarthdd: Copy back enabled for HDD drives.
● all: Copy back enabled for both SSD drives and HDD
drives.
● Example:perccli /cx set copyback=on
type=all
Enables/disables copy back for
drive types.
eghs
● state=on|off: Enables use of hotspare drives for
emergency feature.
● eug=on|off: Enables use of unconfigured good drives
for emergency feature.
● smarter=on|off: Enables use of emergency spares for
copy back during SMART errors.
Enables/disables the commissioning
of otherwise incompatible global
hot spare drives as Emergency Hot
Spare (EHSP) drives.
exposeencldevice on|off
Enables/disables device drivers
to expose enclosure devices; for
example, expanders, SEPs.
ds(dimmerswitch)
See Dimmer switch commands. See Dimmer switch commands.
foreignautoimport on|off
Imports foreign configuration
automatically, at boot.
jbod on|off
Enables/disables JBOD mode; by
default, drives become system
drives.
NOTE: Not supported by all
controllers.
loadbalancemode on|off
-
maintainpdfailhist
ory
on|off
Maintains the physical drive fail
history.
patrolread|pr
See Patrol Read. See Patrol Read.
perfmode
● 0: Tuned to provide best IOPS, currently applicable to
non-FastPath.
● 1: Tuned to provide least latency, currently applicable to
non-FastPath.
Performance tuning setting for the
controller.
personality
RAID | HBA | eHBA Sets the personality of the
controller to either RAID, HBA, or
eHBA mode if it is supported by the
controller.
pi
● [state=<on|off>]
● [import=<on|off>]
● Enables/disables data
protection on the controller.
● Enables or disables import
data protection drives on the
controller.
prcorrectunconfigu
redareas
on|off
Correct media errors during PR by
writing 0s to unconfigured areas of
the disk.
prrate
0 to 100 Sets patrol read rate of the virtual
drives in percentage.
rebuildrate
0 to 100 Sets rebuild rate of the drive in
percentage.
Working with the PERC Command Line Interface Tool 11