Technical information

Drive Configuration
Manual No. 775029 2-25
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),
OR
☞ 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.
☛ Note
Depending on the controller, available stripe sizes are
8, 16, 32, 64, 128, 256, 512, and 1024.
☞ Use the right arrow key to select the Stripe Size(KB) definition
field, then...
☞ Press the + or - key to find your desired stripe size,
OR
☞ Press Spacebar to display a box of available choices, use the
arrow key to select your desired stripe size, then press Enter.
Next, we set a size for this logical drive based on the maximum available
capacity.
You can set logical drive size in terms of either physical capacity or logical