Intel SRCU31 user manual 5.2.4RAID Configuration Parameters, 5.2.2.4RAID 10 Volume Characteristics

Models: SRCU31

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5.2.2.4RAID 10 Volume Characteristics

RAID Features

5.2.2.4RAID 10 Volume Characteristics

Table 5-5lists the characteristics of a RAID Level 10 volume.

Note: This feature is not user selectable. RAID Level 10 is a function of how SRCU31 writes data on a RAID 1 volume with 3 or more disks in the array.

Table 5-5. RAID 10 Volume Characteristics

Characteristic

Minimum

Maximum

 

 

 

 

 

RAID 10 is a combination of RAID 0 and

 

 

RAID 1.

Capacity

1 MB

½ (n x smallest single drive capacity)

 

 

where n is the number of drives in the

 

 

RAID 1 volume.

 

 

 

Drives

3

15

 

 

 

Strip Size

64 KB

 

 

 

Status

Normal, Degraded, Migrating, Failed

 

 

States

Idle, Initializing, Rebuilding, Expanding, Transforming

 

 

 

5.2.3Factors to Consider When Selecting a RAID Level

When choosing the appropriate RAID levels for your implementation, use the criteria below.

Application Performance Requirements

Data Protection

Number of Drives in the Array

Disk Capacity

5.2.4RAID Configuration Parameters

SRCU31 allows you to configure RAID configuration parameters. See Table 5-6.See Chapter 4, “Using the Storage Console” for details when changing these parameters.

Table 5-6. RAID Configuration Parameters (Sheet 1 of 2)

Parameter

Description

 

 

Specify Volume Name

Enter 1 to 15 alphanumeric characters to define a unique identifier for a RAID

volume. The first character must be an alpha character.

 

 

 

Specify the Data

Enter either the size in MB or leave the entry at 0 and the Intel® Server RAID

Capacity

Controller U3-1 software creates the largest available volume size.

 

 

Select the Strip Size

Select the strip size for a new RAID volume. It is recommended that you leave

the stripe size at the default of 64K.

 

 

 

5-8

Intel® Server RAID Controller U3-1 User’s Manual Rev 1.0

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Intel SRCU31 user manual 5.2.4RAID Configuration Parameters, 5.2.2.4RAID 10 Volume Characteristics, RAID Features