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Adaptec 5405 User Guide - Page 156

RAID 10 Logical Drives, instance

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Appendix B: Selecting the Best RAID Level ● 156 RAID 10 Logical Drives A RAID 10 logical drive is built from two or more equal-sized RAID 1 logical drives. Data in a RAID 10 logical drive is both striped and mirrored. Mirroring provides data protection, and striping improves performance. Drive segment size is limited to the size of the smallest disk drive in the logical drive. For instance, a logical drive with two 250 GB disk drives and two 400 GB disk drives can create two mirrored drive segments of 250 GB, for a total of 500 GB for the logical drive, as shown in this figure. Disk Drive 1 250 GB Drive Segment Size (Smallest Disk Drive) Disk Drive 2 250 GB Disk Drive 3 400 GB Disk Drive 4 400 GB Disk Drives in Logical Drive Disk Drive 1 1 3 ... 499 Disk Drive 2 2 4 ... 500 Disk Drive 3 1 3 ... 499 Disk Drive 4 2 4 ... 500 Unused Space = 150 GB Unused Space = 150 GB RAID 10 Logical Drive = 500 GB

Section	Page
About This Guide	10
How This Guide is Organized	11
What You Need to Know Before You Begin	11
Terminology Used in this Guide	11
Part I: Getting Started	12
Introduction to Adaptec Storage Manager	13
Getting Started Checklist	14
About Adaptec Storage Manager	14
About the Adaptec Storage Manager Agent	14
Growing Your Storage Space with Adaptec Storage Manager	15
A Simple Storage Space	15
An Advanced Storage Space	15
Continuing to Grow Your Storage Space	16
System Requirements	17
Controller Support	17
Installing Adaptec Storage Manager	18
Installing on Windows	19
Installing on Linux	20
Installing on UnixWare or OpenServer	21
Installing on Solaris	21
Installing on FreeBSD	22
Installing on VMWare	22
Using Adaptec Storage Manager with a Firewall	23
Running Adaptec Storage Manager from the CD	23
When to Choose Bootable-CD Mode	23
Getting Started in Bootable-CD Mode	23
Running Adaptec Storage Manager from the CD	24
Building Your Storage Space	25
Overview	26
Choosing a Management System	26
‘Local’ or ‘Remote’?	26
Starting and Logging In on the Local System	27
Understanding Permission Levels	27
Starting and Logging In	28
Enabling Statistics Logging in Adaptec Storage Manager	30
Starting Adaptec Storage Manager on Remote Systems	31
Starting the Full Application	31
Starting the Agent Only	31
Logging into Remote Systems from the Local System	32
Removing a Remote System	33
Creating Logical Drives	34
Express Configuration: The Easy Way	34
Custom Configuration (Advanced)	37
Managing Your Storage Space	41
Part II: Monitoring and Modifying Your Storage Space	42
Exploring Adaptec Storage Manager	43
Working in Adaptec Storage Manager	44
About the Actions Menu	44
Overview of the Main Window	44
The Enterprise View	45
The Physical Devices View	46
The Logical Devices View	47
Revealing More Device Information	49
Checking System Status from the Main Window	50
Getting Help	50
Logging Out of Adaptec Storage Manager	51
Logging Back In	51
Uninstalling Adaptec Storage Manager	51
Uninstalling From Windows Systems	51
Uninstalling From Linux Systems	51
Uninstalling From UnixWare or OpenServer Systems	51
Uninstalling From Solaris Systems	52
Uninstalling From FreeBSD Systems	52
Uninstalling From VMWare Systems	52
Protecting Your Data	53
Creating and Managing Hot Spares	54
Hot Spare Limitations	54
Dedicated Spare or Global Spare?	54
Designating a Global Hot Spare	54
Assigning a Dedicated Hot Spare or Pool Hot Spare	55
What Do the Hot Spare Icons Mean?	55
Removing or Deleting a Dedicated Hot Spare	56
Deleting a Global Hot Spare	56
Enabling Copyback	57
Modifying Your Direct Attached Storage	58
Understanding Logical Drives	59
Creating and Modifying Logical Drives	60
Creating a Logical Drive of a Specified Size	60
Including Different-sized Disk Drives in a Logical Drive	61
Creating a Logical Drive Using Available Segments	62
Stopping the Creation of a Logical Drive	62
Changing the Priority of the Creation of a Logical Drive	62
Fine-tuning Logical Drives	63
Renaming a Logical Drive	63
Adjusting a Logical Drive’s Advanced Settings	63
Changing the Stripe Size	64
Changing the Write Cache Setting	64
Changing the Read Cache Setting	64
Changing the Initialize Priority	65
Changing the Initialize Method	65
Optimizing Logical Drive Performance	66
Verifying Logical Drives	67
Verifying and Fixing a Logical Drive	67
Verifying a Logical Drive (Without Fix)	68
Enabling/Disabling Background Consistency Check	68
Setting the Background Consistency Check Period	69
Increasing the Capacity of a Logical Drive	69
Extending a Partition on a Logical Drive	70
Changing the RAID Level of a Logical Drive	70
Deleting a Logical Drive	71
Creating a RAID Volume	71
Creating a JBOD Disk	73
Creating multiple JBOD Disks in the Wizard	73
Converting a JBOD Disk to a Simple Volume	74
Deleting a JBOD Disk	75
Maintaining an Energy-Efficient Storage Space	75
Configuring Power Management for a Logical Drive	75
Configuring Power Management for a Controller	76
Disabling Power Management for a Logical Drive	77
Showing Devices Under Power Management	78
Configuring the MaxIQ Cache	78
Scheduling Recurring or Resource- Intensive Jobs	80
Scheduling a Task	81
Opening the Task Manager	82
Monitoring Tasks	83
Monitoring Upcoming Tasks in the Task List	83
Checking Past Tasks and Events in the Event Log	83
Modifying a Task	84
What if a task misses its start time?	84
Deleting a Task	84
Disabling the Task Manager	84
Re-enabling the Task Manager	85
Maintaining Physical Devices	86
Viewing Component Properties	87
Blinking a Component	87
Working with Failed or Failing Disk Drives	88
Replacing Disk Drives in a Logical Drive	88
Setting a Disk Drive to ‘Failed’	88
Initializing and Erasing Disk Drives	88
Initializing Disk Drives	89
Clearing Disk Drives	89
Working with Solid State Drives	90
Working with Controllers	91
Registering New Controllers	91
Testing a Controller Alarm	91
Silencing a Controller Alarm	92
Disabling a Controller Alarm	92
Rescanning a Controller	92
Saving Your Controller Configuration	93
Setting a Controller’s Default Task Priority	93
Enabling Native Command Queuing on a Controller	93
Disabling Statistics Logging on a Controller	93
Testing and Silencing System and Enclosure Alarms	94
Working with System Alarms	94
Working with Enclosure Alarms	96
Updating the Controller BIOS and Firmware	97
Before You Begin	97
Updating the Controller BIOS and Firmware	97
Updating the Disk Drive Firmware	98
Before You Begin	98
Updating the Disk Drive Firmware	99
Monitoring Status and Activity	102
Monitoring Options	103
Checking Status from the Main Window	103
Viewing Activity and Status in the Event Log	103
What Do the Event Status Icons Mean?	104
Using Enclosure Icons to Monitor Enclosure Status	105
Notifying Users by Event Log Message About Status and Activity	106
Setting up Logged Notifications	106
Sending a Test Event	108
Modifying a System’s Information or Remove a System	109
Disabling Logged Notifications	110
Clearing the Notifications Manager Log	110
Notifying Users by Email About Status and Activity	111
Setting Up Email Notifications	111
Sending a Test Message	113
Modifying a Recipient’s Information or Removing a Recipient	114
Modifying Email Settings	114
Disabling Email Notifications	115
Clearing the Email Notifications Log	115
Notifying Users by SNMP Trap About Status and Activity	116
Setting Up SNMP Notifications on Windows	116
Setting Up SNMP Notifications on Linux	117
Notifying All Users About Status and Activity	117
Changing an Operating System’s Event Log Setting	118
Logging Statistics for Remote Analysis	119
Setting Up Statistics Logging	119
Configuring Proxy Server Settings	121
Sending a Test Message	121
Disabling Call Home Messages	122
Clearing the Advanced Statistics Manager Event Log	122
Creating a Call Home Support Archive	123
Viewing Statistics	123
Updating and Customizing Adaptec Storage Manager	124
Updating Adaptec Storage Manager	125
Adding Enhanced Features	125
Unlocking the Enhanced Features	125
Setting Preferences and Changing Views	125
Reorganizing the Enterprise View	126
Setting the Standard Unit of Measure	127
Changing the Main Window Appearance	127
Managing Remote Systems	127
Adding and Removing Remote Systems in the Wizard	128
Changing Auto-Discovery Settings	130
Working with Display Groups	131
Creating Display Groups	132
Viewing Display Group Status	133
Moving a System from One Display Group to Another	133
Renaming a Display Group	134
Removing a System from a Display Group	134
Deleting a Display Group	134
Solving Problems	135
General Troubleshooting Tips	136
Identifying a Failed or Failing Component	136
Stopping the Creation of a New Logical Drive	137
Recovering from a Disk Drive Failure	137
Failed Disk Drive Protected by a Hot Spare	137
Failed Disk Drive Not Protected by a Hot Spare	138
Failure in Multiple Logical Drives Simultaneously	138
Disk Drive Failure in a RAID 0 Logical Drive	138
Multiple Disk Drive Failures in the Same Logical Drive	139
Forcing a Logical Drive with Multiple Drive Failures Back Online	140
Removing a Failed Disk Drive’s Icon	140
Rebuilding Logical Drives	140
Solving Notification Problems	141
Creating a Support Archive File	141
Understanding Error and Warning Messages	142
Warning Messages	142
Error Messages	142
Part III: Appendices	148
Completing a Silent Windows Installation	149
Completing a Silent Installation	150
Available Properties and Values	151
Example Command Line Installations	151
Selecting the Best RAID Level	152
Comparing RAID Levels	153
Understanding Drive Segments	153
Non-redundant Logical Drives (RAID 0)	154
RAID 1 Logical Drives	155
RAID 1 Enhanced Logical Drives	155
RAID 10 Logical Drives	156
RAID 5 Logical Drives	157
RAID 5EE Logical Drives	158
RAID 50 Logical Drives	159
RAID 6 Logical Drives	160
RAID 60 Logical Drives	160
Quick Answers to Common Questions...	161
How do I...?	162
Set up my storage space?	162
Create or add a new logical drive?	162
Open the Configuration wizard?	162
Turn off the alarm?	162
Add a new user to Adaptec Storage Manager?	162
Add a remote system?	162
Prevent a user from changing my storage space?	162
Check disk drive or logical drive status?	162
Access a feature with a padlock icon beside it?	162
Log out of Adaptec Storage Manager?	163
Schedule a task?	163
Find the Task Manager?	163
Find the Notification Manager?	163
Find the Email Notification Manager?	163
What’s the difference between...?	164
Adaptec Storage Manager and the Agent?	164
Event notifications, email notifications, and event alerts?	164
What options are on the Actions menu?	164
Local and remote systems	164
Controllers?	165
Disk drives?	165
Enclosures?	165
Logical drives?	166
Direct Attached Storage?	166
The Notification Manager?	166
The Email Notification Manager?	166
The Task Manager?	167
The Advanced Statistics Manager	167
What tasks can be scheduled to run at a specified time?	167
Buttons and Icons At-a-Glance	168
Enterprise View Icons	169
Icons in the Physical Devices View	169
Enclosure Status Icons	169
Icons in the Logical Devices View	170
Buttons in the Main Window	171
Buttons in the Notification Manager	171
Buttons in the Email Notification Manager	172
Buttons in the Task Manager	172
Glossary	173