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Compaq Smart Array 3200 Controller Reference Guide
Writer: Rickard Project: Compaq Smart Array 3200 Controller Reference Guide Comments: 340862-002
File Name: L-APPE.DOC Last Saved On: 12/7/98 9:30 AM
COMPAQ CONFIDENTIAL - NEED TO KNOW REQUIRED
Auto-Reliability Monitoring
Auto Reliability Monitoring (ARM) is a background process that scans hard
drives for bad sectors in fault-tolerant logical drives. ARM also verifies the
consistency of parity data in drives with data guarding or distributed data
guarding. This process assures that you can recover all data successfully if a
drive failure ever occurs. ARM operates only when you select RAID 1, RAID 4,
or RAID 5.
Dynamic-Sector Repairing
Using the dynamic sector repairing process, the controller automatically remaps
any sectors with media faults it detects either during normal operation or during
auto-reliability monitoring.
Drive-Parameter Tracking
Drive-parameter tracking monitors more than 15 drive-operational parameters
and functional tests. This includes parameters such as Read, Write, and seek
errors, spin-up time, cable problems; functional tests such as track-to-track seek
time, one-third stroke, and full stroke seek time. Drive parameter tracking
enables the Smart Array 3200 Controller to detect drive problems and predict
drive failure before they actually occur. It also makes pre-failure warranty
possible on Compaq disk drives.
Drive-Failure Alert Features
Drive-failure features produce various drive alerts or error messages depending
on the Compaq server model. Refer to the documentation included with your
server to determine what drive-failure features are included on your server
model.
Other Compaq options, such as Compaq Insight Manager and Compaq Server
Manager/R, provide additional drive-failure features. See your Authorized
Compaq Reseller for more information on these products.