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4-7
Using the Command Line Interface
Creating a RAID 5
When creating a RAID 5, you need to determine the stripe size that
is most suitable for your environment. See Creating a RAID 0 for
more information about determining the appropriate stripe size for
your environment.
To recreate the data of a failed disk in a RAID 5, you use a form of
redundancy called parity. When you set up parity, you initialize
the parity stripes by using a scrubbing switch (/scrub=TRUE).
Parity is set up in the background, and the disks are available
immediately.
The /scrub switch is not available in UNIX/Linux. For UNIX/
Linux, the RAID 5 is always created by building.
To create a RAID 5, use the container create raid5
command. In the following example, a RAID 5 is created on SCSI
devices (2,1,0), (2,2,0), and (2,3,0) using 100 M of available space
from each SCSI device. The /stripe_size switch specifies that each
stripe is 64 K in size.
AAC0> container create raid5 /stripe_size=64K ((2,1,0),
100M) (2,2,0) (2,3,0)
Executing: container create raid5 /stripe_size=65,536
((CHANNEL=2,ID=1,LUN=0),104,857,600)
(CHANNEL=2,ID=2,LUN=0) (CHANNEL=2,ID=3,LUN=0)
Deleting Arrays
To delete an array, use the container delete command. In the
following example, array 0 is deleted.
AAC0> container delete 0
Executing: container delete 0
After running the container delete command, use the
container list command to verify that the array was deleted.
In the following example, no arrays are found on the controller.
AAC0> container list
Executing: container list
No containers found.
UG.book Page 7 Saturday, October 26, 2002 12:08 PM
- Adaptec SCSI RAID 1
- 2120S/2200S 1
- Copyright 2
- Trademarks 2
- Disclaimer 2
- Contents 3
- A Glossary 6
- Supported RAID Types 8
- Introduction 11
- Simple Volume 12
- Spanned Volume 12
- Features 13
- Drive Enclosures 14
- Hot Spares 14
- SCSI Devices Supported 15
- Supported Controllers 15
- Using Adaptec RAID 17
- Configuration 17
- Managing Arrays 18
- Using the SCSISelect Utility 26
- 4 Select SCSI Configuration 29
- Using the Disk Utilities 31
- Viewing the Event Log 32
- Adaptec Storage Manager 33
- Browser Edition 33
- About Adaptec Storage Manager 34
- 3 Click Login 36
- Pop Up Tool Tips 40
- Physical Devices 40
- ■ Capacity of the drive 42
- ■ SCSI drive ID 42
- Logical Devices 43
- Creating Arrays 44
- Advanced Options 45
- Deleting Arrays 49
- Modifying Arrays 49
- User Interface Options 51
- Viewing Events 52
- Applying Changes 53
- Controller Properties 53
- Channel Properties 55
- Physical Device Properties 55
- Enclosure Properties 57
- Logical Device Properties 58
- Viewing and Creating Tasks 59
- New Tasks Tab 60
- ■ Critical 61
- ■ Warning 61
- ■ Informational 61
- Table 3-2 Switches 62
- Using the Command Line 67
- Interface 67
- Terminology 69
- Using the CLI 70
- Enabling Spares 74
- Displaying Disk Information 77
- Example of disk list: 78
- Example of disk show defects: 78
- Example of disk verify: 78
- Displaying Array Information 79
- Example of container list: 81
- The CLI Commands 82
- Parameters 83
- Switches 83
- Container (Array) Commands 84
- Controller Commands 95
- Diagnostic Commands 98
- Disk Commands 100
- Logfile Commands 104
- Task Commands 105
- Enclosure Commands 106
- CLI command script: 110
- Glossary 111
- Adaptec, Inc 128
- 691 South Milpitas Boulevard 128
- Milpitas, CA 95035 USA 128
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