HP Insight Management Agents - Manual (Page 49)

Predictive Indicators
Use the Predictive Indicators to predict when a drive, which is now operating normally, may need
to be replaced.
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S.M.A.R.T. Status—Displays the S.M.A.R.T. status as reported by the physical drive. This is
only displayed if the drive supports S.M.A.R.T. predictive failure. The possible values are:
◦ Other—The Storage Agent is unable to determine the status of S.M.A.R.T. predictive
failure monitoring for this drive.
◦ OK—Indicates the drive is functioning properly.
◦ Replace Drive—Indicates that the drive has a S.M.A.R.T. predictive failure error and
should be replaced.
The predictive indicators listed below are not displayed if the physical drive does not support
any of the indicators and S.M.A.R.T. status is available.
The numerical data associated with these items displays after the item name. For example,
Used Realloc: 122 means that there are 122 used reallocation sectors for this drive. The status
of these items can be OK or Replace Drive. If the status is Replace Drive, replace the drive,
or an actual drive failure may occur in the future. The Predictive Indicators are:
Functional Test 1, 2, and 3 provides information about a series of tests that indicates how well
a physical drive works. The status of these items can be OK or Replace Drive. If the status is
Replace Drive, replace the drive, or an actual drive failure may occur in the future.
These tests compare the way the physical drive currently operates when performing various
tasks with the way it worked when it was new.
•
Used Realloc—Displays the number of sectors of the reallocation area that have been used
by the physical drive. The status of this item can be OK or Replace Drive. If the status is Replace
Drive, replace the drive, or an actual drive failure may occur in the future.
Because of the nature of magnetic disks, certain sectors on a drive may have media defects.
The reallocation area is part of the drive that the drive manufacturer sets aside to compensate
for these defects. The array controller writes information addressed from the unusable sectors
to available sectors in the reallocation area. If too many sectors have been reallocated, there
may be a problem with the drive.
•
Spinup Time—Displays the time it takes for a physical drive to spin up to full speed. The Status
of this item can be OK or Replace Drive. If the status is Replace Drive, replace the drive, or
an actual drive failure may occur in the future.
Drives require time to gain momentum and reach operating speed. As cars are tested to go
from 0 mph to 60 mph in X number of seconds, drive manufacturers have preset expectations
for the time it takes the drive to spin to full speed. Drives that do not meet these expectations
may have problems.
The spinup time value is shown in tenths of a second. Thus, if the drive takes 12 seconds to
spin up, the value would be 120. The value may be 0 for this monitored item under one of
the following conditions:
◦ You are monitoring a physical drive that is part of the managed system's internal drive
array storage, and you use a warm boot to reset the monitored system. During a warm
boot, the drives continue to spin.
◦ You are monitoring a physical drive in an external storage system and you reset the
managed server but not the storage system.
◦ The physical drive may be configured to start up immediately when the system is powered
on, instead of waiting for the controller to start it.
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