Chapter 4: Management with WebPAM PROe
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function. With the Threshold set to zero, drives are not marked offline even
when errors are detected.
Viewing Physical Drive Information
To view physical drive information:
1. Click the Subsystem icon in Tree View.
2. Click the Enclosures icon.
3. Click the Enclosure icon.
4. Click the Physical Drives icon.
5. Click a Physical Drive icon.
Useful information provided here includes:
• The location of the physical drive is highlighted in the Enclosure Front View
diagram.
• Operational Status – OK is normal. Can also show Rebuilding, Forced
Online, Forced Offline, Transition Running, PDM Running, Media Patrol
Running, Stale, PFA, Offline, or Dead.
• Configuration Status – The array to which the drive is assigned or its spare
designation. Visible to Fibre Channel subsystems with dual controllers and
LUN Affinity enabled shows Controller 1 or Controller 2. Other configurations
and subsystem models show All Controllers.
Adjustable Items
• Write Cache
• Read Look Ahead Cache
• Read Cache (SAS drive only)
• Command Queuing
• DMA Mode (SATA drives only)
• Medium Error Threshold
See “Making Global Physical Drive Settings” on page 132.
Viewing Physical Drive Statistics
To view physical drive statistics:
1. Click the Subsystem icon in Tree View.
2. Click the Enclosures icon.
3. Click the Enclosure icon.
4. Click the Physical Drives icon.