Clearing The Mtbf; Changing The Mtbf Threshold; Taking Components Offline And Bringing Them Online; Hard Disks - NEC Express5800/320Ma Administrator's Manual

Hide thumbs Also See for Express5800/320Ma:

Table of Contents

Clearing the MTBF

Clearing the MTBF sets the MTBF to 0 (Unknown) and erases the record of all faults.

If the device that you cleared is in the Broken state, you must correct the state.

The MTBF threshold is expressed in seconds. If a device's MTBF falls beneath this

threshold, the system takes the device out of service and changes the device state to

Broken.

You can use ftSMC to take a component offline or bring a component online. Before

you take a component offline, verify that it is safe to do so.

For a description of the procedures, see the online help for ftSMC.

If a disk's status is not healthy, you may be able to

replace the

In your disk-management tool, try to recover the disk manually if:

•

A failed volume (non-RDR only) appears as Failed Redundancy

•

The RDR or non-RDR disks appear as Offline, Missing, or Online (Errors)

5-2

Express5800/320Ma: System Administrator's Guide

N O T E

Clearing the MTBF does not bring a device back into

service automatically.

C A U T I O N

NEC Solutions (America), Inc. presets the MTBF

thresholds. You should not modify them unless instructed

to do so by NEC Technical Support or your authorized

service representative.

disk.

recover the

disk, or you may need

Table of Contents