Mylex AcceleRAID 250 Informations techniques télécharger pdf (Page 105)

Drive Configuration

Manual No. 775029 2-63

• The Tab key shifts control to the buttons, or from the buttons back to

the logical drive definition fields.

• When buttons are in focus, arrow keys select a button and Enter

activates the highlighted button. Arrow keys rotate selections through

Add Drive, Apply, Cancel, Clear New, and Delete Last.

Let’s start by selecting a RAID level for our logical drive.

☞ With the RAID Level definition field selected...

☞ Press the + or - key to find your desired RAID level,

☞ Press Spacebar to display a box of available choices, use the

arrow key to select your desired RAID level, then press Enter.

Next, we’ll select the write caching strategy for our logical drive.

If you are unfamiliar with the terms “Write Through” and “Write Back”

caching, please refer to the Glossary for a detailed definition.

In a nutshell, Write Back caching speeds write performance but risks loss of

data in the cache buffer should power fail. Use Write Back only if you have a

battery backup unit (BBU) or uninterruptable power supply (UPS) installed

to preserve data in the cache.

☞ Use the right arrow key to select the Write Cache definition

field, then...

☞ Press the + or - key to find your desired caching method

(“Thru” for Write Through, “Back” for Write Back),

☞ Press Spacebar to display a box of available choices, use the

arrow key to select your desired write caching method, then

press Enter.

Next, we’ll set the stripe size for this logical drive.

If you are unfamiliar with the term “Stripe Size” please refer to the Glossary

for a detailed definition.

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Mylex AcceleRAID 250 Informations techniques Page 105