Product manual

Galaxy G3G12 / G3G16 Installation and Hardware Reference Manual
122 Section 4 Maintenance with GAM
• Read Cache
7. Click the Submit button.
The functions you enable here depend on whether the physical drives support those functions. See
Viewing Pto determine which functions a particular drive supports.
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 on 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, including
Unconfigured, Stale, PFA, Global Spare, Dedicated Spare, Revertible Global Spare, Revertible
Dedicated Spare.
Adjustable Items
• Write Cache
• Read Look Ahead Cache
• Read Cache – SAS drive only
• Command Queuing
• DMA Mode – SATA drives only
See
Making Global P.
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.
5. Click on a Physical Drive
icon.
6. From the dropdown menu on the Information tab, choose Statistics.
Clearing Statistics
To clear statistics, see