User manual
Table Of Contents
- SuperTrak User Manual
- Contents
- Chapter 1: Introduction
- Chapter 2: Installation
- Unpacking the SuperTrak Card
- Installing the SuperTrak Card
- Choosing the Physical Drives
- Creating a Logical Drive
- Installing the CLI
- Installing WebPAM PRO
- Logging into WebPAM PRO
- Setting up WebPAM PRO
- Chapter 3: Installing Drivers
- Chapter 4: SuperBuild™ Utility
- Chapter 5: Management with WebPAM PRO
- Logging into WebPAM PRO
- Accessing the Interface
- Managing Users
- Working with Subsystem/Host Management
- Managing Software Services
- Managing the Host
- Managing the Subsystem
- Viewing Subsystem Information
- Clearing Statistical Data
- Setting an Alias for the Subsystem
- Updating the Firmware
- Checking Subsystem Health
- Viewing the Runtime Event Log
- Saving the Runtime Event Log
- Clearing the Runtime Event Log
- Viewing the NVRAM Event Log
- Saving the NVRAM Event Log
- Clearing the NVRAM Event Log
- Viewing Current Background Activities
- Making Background Activity Settings
- Running Background Activities
- Running Media Patrol
- Running PDM
- Viewing Scheduled Activities
- Scheduling an Activity
- Deleting a Scheduled Activity
- Viewing System Configuration
- Managing the Controller
- Managing Enclosures
- Managing Physical Drives
- Viewing a List of Physical Drives
- Locating a Physical Drive
- Making Global Physical Drive Settings
- Viewing Physical Drive Information
- Viewing Physical Drive Statistics
- Making Physical Drive Settings
- Clearing Stale and PFA Conditions
- Viewing the SMART Log
- Viewing Advanced SMART Log Information
- Saving Advanced SMART Log Information
- Making SMART Log Settings
- Managing Disk Arrays
- Viewing Disk Arrays
- Locating a Disk Array
- Creating a Disk Array
- Creating a Disk Array - Automatic Configuration
- Creating a Disk Array - Express Configuration
- Creating a Disk Array - Advanced Configuration
- Deleting a Disk Array
- Viewing Disk Array Information
- Making Disk Array Settings
- Creating a Logical Drive
- Deleting a Logical Drive
- Migrating a Disk Array
- Rebuilding a Disk Array
- Running Media Patrol on a Disk Array
- Running PDM on a Disk Array
- Transitioning a Disk Array
- Preparing a Disk Array for Transport
- Managing Logical Drives
- Managing Spare Drives
- Working with the Logical Drive Summary
- Chapter 6: Management with the CLI
- Opening the CLI on Windows
- Opening the CLI on Linux, FreeBSD, and VMware
- Table of Supported Commands
- Notes and Conventions
- List of Supported Commands
- Chapter 7: Technology Background
- Chapter 8: Troubleshooting
- Chapter 9: Support
- Appendix A: Partition and Format
- Appendix B: Upgrades
- Appendix C: Battery Backup Unit
- Appendix D: LED Backplane Connections
- Index
Chapter 7: Technology Background
247
• 10GBTruncate – Reduces the useful capacity to the nearest
10,000,000,000-byte boundary.
• GRPRounding – Uses an algorithm to determine how much to truncate.
Results in the maximum amount of usable drive capacity.
• TableRounding – Applies a predefined table to determine how much to
truncate.
Capacity Coercion also affects a replacement drive used in a disk array.
Normally, when an physical drive fails, the replacement drive must be the same
capacity or larger. However, the Capacity Coercion feature permits the
installation of a replacement drive that is slightly smaller (within 1 gigabyte) than
the remaining working drive. For example, the remaining working drives can be
80.5 GB and the replacement drive can be 80.3, since all are rounded down to
80 GB. This permits the smaller drive to be used.
Without Capacity Coercion, the controller will not permit the use of a replacement
physical drive that is slightly smaller than the remaining working drive(s).
Initialization
Initialization is highly recommended for logical drives when they are created from
a disk array. Initialization sets all data bits in the logical drive to zero. The action
is useful because there may be residual data on the logical drives left behind
from earlier configurations. You can also perform an Initialization on an existing
logical drive.
There are three options for logical drive initialization:
• Full – Overwrites all data bits on the logical drive. Can take some time for
larger logical drives
• Quick – Overwrites the data bits on the first and last blocks of logical drive.
Takes only seconds.
• None – No initialization. Not recommended.
See “Creating a Logical Drive” on page 96 and “Creating a Logical Drive” on
page 165, and “Creating a Disk Array – Advanced Configuration” on page 161,
and “Initializing a Logical Drive” on page 175.
Warning
When you initialize a logical drive, all the data the logical drive will
be lost. Backup any important data before you initialize a logical
drive.