LSI 3ware SAS 9750-8i Guia do Utilizador descarregar pdf (Página 234)

3DM 2 Reference

222 3ware SATA+SAS RAID Controller Card Software User Guide, Version 10.0

Maintenance Task Buttons for Existing Units

Below the list of units, a row of task buttons lets you perform maintenance

and configuration tasks related to the unit. Before clicking one of these

buttons, select the appropriate unit.

Verify Unit. Puts the selected unit in verifying mode. If the Advanced Verify

schedule is selected on the Scheduling page, the unit will not start actively

verifying until the scheduled time, and the status will indicate “Verify-

Paused.” (The Unit Details page will indicate whether a unit is actively

verifying.) If the Basic Verify schedule is active, clicking

Verify Unit begins

the verification process, and verify will begin within approximately 10 to 15

minutes.

If the unit you selected to verify is a redundant unit, the redundancy of the unit

will be verified. For example, it will check parity for a RAID 5 or check data

consistency for a RAID 1. If the unit you checked is not a redundant unit,

verify will do a surface scan of the media. During verification, I/O continues

normally. For RAID 0 and single disks, there is only a slight performance

loss. For redundant units, you can set the background task rate on the

Controller Settings page to specify whether more processing time should be

given to verifying or to I/O. For more information, see “About Verification”

on page 155 and “Setting Background Task Rate” on page 168.

While a unit is verifying, the status changes to Verifying and a

Stop Verify

link appears in the right-most column of the Unit Maintenance table.

Rebuild Unit. Replaces a failed drive in a degraded unit with an available

drive and begins rebuilding the RAID. When you select a degraded unit and

click

Rebuild Unit, a dialog box listing available drives appears, so that you

can select the drive you want to use. If the degraded unit has more than one

failed drive (for example, a RAID 10 where both mirrored pairs each have a

failed drive), you will repeat this process a second time.

If rebuild scheduling is enabled on the Scheduling page, the unit will not start

actively rebuilding until the scheduled time, and the status will change to say

“Rebuild-Paused.” (The Unit Details page indicates whether a unit is actively

Note: If the unit has not previously been initialized and you click Verify Unit, the

initialization process starts. Initialization cannot be halted, so no Stop Verify link

appears. (Initialization can be paused, however, through Scheduling. Initialization

follows the Rebuild/Migrate schedule, so turning on scheduling for Rebuild/Migrate

will pause initialization, as well.) For more information about initialization, see

“About Initialization” on page 152.

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LSI 3ware SAS 9750-8i Guia do Utilizador Página 234

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