Avago Technologies 3ware SAS 9750-4i - Manual (Page 86)

Chapter 2. CLI Syntax Reference
78 3ware SATA+SAS RAID Controller Card CLI Guide, Version 10.0
Example:
//localhost>> /c0 set autodetect=off disk=3:5-6
Setting Auto-Detect on /c0 to [off] for port [3] and for disk
[5,6]... Done
If “disk=all,” then all of the drives or ports for that controller are specified.
For a 9750 or 9690SA controller, it would spinup all directly attached SAS
and SATA drives, but not any drives attached to an expander.
Example:
//localhost>> /c0 set autodetect=off disk=all
Setting Auto-Detect on /c2 to [off] for all disks/ports... Done.
Usage Scenario:
If you are hot-plugging a large number of drives at the same time and are
concerned that you might overload the power supply, you might use this
command as follows:
1 Issue the command (set autodetect=off) to disable automatic detection of
the ports for staggered spin-up.
2 If the ports are not empty, pull the drives out of the specified ports.
3 Insert (or replace) the drives at the ports specified.
4 Issue the command (set autodetect=on) to enable auto detect of the ports
with the newly inserted drives.
The preceding steps would spin up the newly inserted drives in a staggered
manner. Please note that the command takes longer for ports that do not have
drives inserted, since the controller allows time for the empty ports to
respond.
/c x start mediascan
This command applies only to 7000/8000 controllers. For 9000 series
controllers, use the verify command.
This command provides media scrubbing for validating the functionality of a
disk, including bad block detection, remapping, and so forth. The command
starts a media scan operation on the specified controller /cx.
/c x stop mediascan
This command applies only to 7000/8000 controllers.
This commands stops a media scan operation on the specified controller /cx.
(Media scans are started using /cx start mediascan.)