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RAID 5EE Logical Drives
A RAID 5EE logical drive—also known as a hot space—is similar to a RAID 5 array except that it includes
a distributed spare drive and must be built from a minimum of four disk drives.
Unlike a hot spare, a distributed spare is striped evenly across the disk drives with the stored data and
parity data, and can't be shared with other logical disk drives. A distributed spare improves the speed
at which the array is rebuilt following a disk drive failure.
A RAID 5EE logical drive protects your data and increases read and write speeds. However, capacity is
reduced by two disk drives’ worth of space, which is for parity data and spare data.
In this gure, S represents the distributed spare, P represents the distributed parity data.
Unused Space = 150 GB
Disk Drive 1
Disk Drive 2
Disk Drive 3
Disk Drive 4
250 GB
250 GB
400 GB
400 GB
Drive Segment Size
(Smallest Disk Drive)
Disk Drive 2
Disk Drive 3
Disk Drive 4
Disk Drive 1
Unused Space = 150 GB
Disk Drives in Logical Drive
Based on the drive segment sizes used:
and hot spare
RAID 5EE Logical Drive = 500 GB plus parity
P1 S . . .
4492 P . . .
SS 3 . . .
500P 4 . . .
120Proprietary and Condential to PMC-Sierra, Inc.
Document No.: CDP-00278-02-A Rev. A, Issue:
maxView Storage Manager User's Guide
- Manager User's Guide 1
- Revision History 3
- Contents 4
- Software License Agreement 10
- Sunnyvale, CA 94089 12
- (408) 239-8000 12
- 1 About this Guide 13
- How to Find More Information 14
- Getting Started 15
- About maxView Storage Manager 15
- System Requirements 17
- Browser Support 17
- A Simple Storage Space 18
- An Advanced Storage Space 18
- Network Connection 19
- Installing on Windows 20
- Installing on Solaris 22
- Installing on VMware ESX 4.1 23
- Installing on VMware ESXi 5.x 24
- Uninstalling from Windows 26
- Uninstalling from Solaris 26
- Overview of the Main Window 28
- The Enterprise View 29
- Tabs provide quick access 31
- Chart view of free 31
- Click this tab to open 32
- Click this tab to 32
- Two disk drives plus a 33
- The maxCache Container is 33
- Getting Help 34
- 5 Building Your Storage Space 35
- Starting the Agent Only 36
- Linux or VMware 37
- Creating Logical Drives 39
- Custom Conguration 41
- Disable maxCache if you 43
- Container 43
- 6 Protecting Your Data 45
- Deleting a Global Hot Spare 47
- Enabling Copyback 49
- Enabling Automatic Failover 50
- Understanding Logical Drives 52
- Fine-tuning Logical Drives 55
- Changing the Stripe Size 57
- Verifying Logical Drives 58
- Enabled or Disabled 60
- Erasing a Logical Drive 62
- Deleting a Logical Drive 62
- Creating a maxCache Container 63
- Once or Always 65
- Enabled 68
- Disabled 70
- Scheduling a Task 71
- Monitoring Tasks 72
- Modifying a Task 73
- Deleting a Task 74
- Viewing Device Properties 75
- Locating a Disk Drive 76
- Initializing Disk Drives 79
- Erasing Disk Drives 79
- Working with Controllers 81
- Rescanning a Controller 82
- Working with System Alarms 83
- Before You Begin 84
- .ufi le), click Open 85
- Monitoring Options 88
- Single-click to view 89
- Monitoring Enclosure Status 92
- Viewing SMART Statistics 92
- Hover text reveals 93
- Setting Up Email Notications 93
- Sending a Test Message 96
- Setting up Statistics Logging 99
- Viewing Advanced Statistics 100
- Select a component in 100
- Controller Statistics 101
- Deploying Servers 103
- Managing Remote Systems 105
- Removing a Remote System 106
- 12 Solving Problems 110
- Rebuilding Logical Drives 113
- Comparing RAID Levels 115
- Understanding Drive Segments 115
- RAID 1 Logical Drives 116
- RAID 10 Logical Drives 118
- RAID 5 Logical Drives 119
- RAID 5EE Logical Drives 120
- RAID 50 Logical Drive 121
- RAID 6 Logical Drives 122
- RAID 60 Logical Drives 122
- B Icons At-a-Glance 123
- PMC-Sierra, Inc 133
- 1380 Bordeaux Drive 133
- Sunnyvale, CA 94089 USA 133
Verwandte Produkte und Handbücher für RAID-Kontroller Adaptec CDP-00278-02-A
RAID-Kontroller Adaptec ASR-2120S Betriebsanweisung
(128 Seiten)
(128 Seiten)
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