LSI 3ware SAS 9750-8i User's Guide download pdf (Page 27)

Monitoring, Maintenance, and Troubleshooting Features

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• 3ware CLI (Command Line Interface)

The 3ware CLI provides the functionality available in 3DM 2 through a

Command Line Interface. You can view unit status and version

information and perform maintenance functions such as adding or

removing drives, and reconfiguring RAID units online. You can also use

it to remotely administer controllers in a system.

The 3ware CLI is described in 3ware SATA+SAS RAID Controller Card

CLI Guide, Version 10.0 and in the 3ware HTML Bookshelf.

Monitoring, Maintenance, and

Troubleshooting Features

Several 3ware RAID controller features aid in monitoring and

troubleshooting your drives.

•

Drive Performance Monitoring (DPM). DPM is an advanced trouble-

shooting tool used to measure drive performance, and to help identify

when a specific drive is causing problems so that you can repair or replace

it. Commands are available through the 3ware CLI to enable and disable

DPM, and to see a range of different statistics. These statistics can be

useful to help troubleshoot problems with your RAID controller and

units. For more information, see “Drive Performance Monitoring” on

page 241.

•

SMART Monitoring (Self-Monitoring, Analysis and Reporting

Technology) automatically checks the health of SATA and SAS disk

drives every 24 hours and reports potential problems. This allows you to

take proactive steps to prevent impending disk crashes. SMART data is

checked on all disk drives (array members, single disks, and hot spares).

Monitoring of SMART thresholds can be turned on and off in 3DM 2. For

more information, see “Selecting Self-tests to be Performed” on page 174

and “Viewing SMART Data About a Drive” on page 150.

•

Staggered Spinup allows drives that support this feature to be powered-

up into the standby power management state to minimize in-rush current

at power-up and to allow the controller to sequence the spin-up of drives.

Both SATA-2 OOB and ATA spin-up methods are supported. The standby

power management state is persistent after power-down and power-up.

You can set the number of drives that will spin up at the same time, and

the time between staggers in 3BM (the 3ware BIOS Management utility).

This feature does not apply to drives that are attached to an expander. For

details, see “Enabling and Setting Up Staggered Spin-up” on page 86.

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LSI 3ware SAS 9750-8i User's Guide Page 27

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