Promise Technology Network Device EX8650 Manual de usuario descargar pdf (Pagina 9)

Step 3: Choosing the Physical Drives

The SuperTrak EX Controller card supports SAS and 1.5-Gb/s or 3.0-Gb/s SATA

physical drives. For optimal performance, install physical drives of the same

model and capacity. The drives’ matched performance allows the logical drive to

function better as a single logical drive.

The table above shows the number of drives required for each RAID level.

Level Number of Drives Level Number of Drives

RAID 0 1 or more RAID 6 4 to 16*

RAID 1 2 only RAID 10 4 or more**

RAID 1E 3 or more RAID 50 6 or more

RAID 5 3 to 16* RAID 60 8 or more

* Requires SAS expansion

** Requires an even number of drives

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Promise Technology Network Device EX8650 Manual de usuario Pagina 9