Adaptec 3405 User Guide - Page 9

Understanding RAID, Using the Adaptec RAID Configuration Utility - controller

Page 9 highlights

Contents ● 9 How are Disk Drives Identified in SAS 79 What are the SAS Connection Options 79 Direct-attach Connections 79 Backplane Connections 79 SAS Expander Connections 80 How is SAS Different from Parallel SCSI 81 Understanding RAID Understanding Drive Segments 83 Non-redundant Arrays (RAID 0 83 RAID 1 Arrays 84 RAID 1 Enhanced Arrays 84 RAID 10 Arrays 85 RAID 5 Arrays 86 RAID 5EE Arrays 87 RAID 50 Arrays 88 RAID 6 Arrays 89 RAID 60 Arrays 89 Selecting the Best RAID Level 90 Using the Adaptec RAID Configuration Utility Introduction to the ARC Utility 92 Running the ARC Utility 92 Navigating the ARC Utility 92 Using the ACU to Create and Manage Arrays 92 Creating a New Array 92 Managing Existing Arrays 93 Initializing Disk Drives 94 Rescanning Disk Drives 95 Secure Erasing Disk Drives 95 Managing Global Hot Spares 95 Using the ACU to Create and Manage JBODs 96 Creating a New JBOD 96 Managing Existing JBODs 96 Using the ACU to Manage the MaxIQ Pool 96 Using SerialSelect to Modify Controller Settings 97 Opening SerialSelect 97 Applying Changes and Exiting 97 Modifying Your Controller's Configuration 97 Formatting and Verifying Disk Drives 99 Locating Disk Drives 100 Identifying Disk Drives 100 Viewing the Event Log 102

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Contents
9
How are Disk Drives Identified in SAS?
..........................................................
79
What are the SAS Connection Options?
..........................................................
79
Direct-attach Connections
.........................................................................
79
Backplane Connections
..............................................................................
79
SAS Expander Connections
........................................................................
80
How is SAS Different from Parallel SCSI?
.......................................................
81
Understanding RAID
Understanding Drive Segments
.......................................................................
83
Non-redundant Arrays (RAID 0)
.....................................................................
83
RAID 1 Arrays
...................................................................................................
84
RAID 1 Enhanced Arrays
..................................................................................
84
RAID 10 Arrays
.................................................................................................
85
RAID 5 Arrays
...................................................................................................
86
RAID 5EE Arrays
...............................................................................................
87
RAID 50 Arrays
.................................................................................................
88
RAID 6 Arrays
...................................................................................................
89
RAID 60 Arrays
.................................................................................................
89
Selecting the Best RAID Level
..........................................................................
90
Using the Adaptec RAID Configuration Utility
Introduction to the ARC Utility
.......................................................................
92
Running the ARC Utility
..................................................................................
92
Navigating the ARC Utility
........................................................................
92
Using the ACU to Create and Manage Arrays
.................................................
92
Creating a New Array
.................................................................................
92
Managing Existing Arrays
..........................................................................
93
Initializing Disk Drives
...............................................................................
94
Rescanning Disk Drives
..............................................................................
95
Secure Erasing Disk Drives
.........................................................................
95
Managing Global Hot Spares
.....................................................................
95
Using the ACU to Create and Manage JBODs
................................................
96
Creating a New JBOD
.................................................................................
96
Managing Existing JBODs
..........................................................................
96
Using the ACU to Manage the MaxIQ Pool
....................................................
96
Using Serial
Select
to Modify Controller Settings
.............................................
97
Opening Serial
Select
....................................................................................
97
Applying Changes and Exiting
...................................................................
97
Modifying Your Controller’s Configuration
.............................................
97
Formatting and Verifying Disk Drives
.............................................................
99
Locating Disk Drives
.......................................................................................
100
Identifying Disk Drives
...................................................................................
100
Viewing the Event Log
....................................................................................
102