Compaq External RAID Controller & Subsystem Manual do Utilizador descarregar pdf (Página 122)

100

101

Terminal Operation

7-3

Optimization Mode and Stripe Size

Each controller optimization mode has preset values for the stripe

size of arrays created in different RAID levels. If you want a

different value for your array, you may change the controller

optimization mode, reset the controller, and then go back to create

the array. Once the array is created, stripe size can not be

changed.

Using the default value should be sufficient for most applications.

Opt. for Sequential I/O Opt. for Random I/O

RAID0 128 32

RAID1 128 32

RAID3 16 4

RAID5 128 32

Optimization for Random or Sequential I/O

Choose “Optimization for Random I/O” or “Optimization for

Sequential I/O,” then press [ENTER]. The “Random” or

“Sequential” dialog box will appear, depending on the option you

have selected. Choose Yes in the dialog box that follows to confirm

the setting.

Write-Back/Write-Through Cache Enable/Disable

Choose “Caching Parameters”, then press [ENTER]. Select “Write-

Back Cache,” then press [ENTER]. “Enabled” or “Disabled” will

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