Disk Enclosures

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Physical drive write cache settings - should I turn it on?

I have just purchased a shiney new HP ML350 e4210 with 5 x 146GB SAS Drives. The server comes standard with embedded e200i/64. So today I went out and purchased a the 128MB BBWC.

So I have now added the 128 BBWC and have a question using the Array Config utility.

It is my intention to mirror my fisrt two disks raid1 (disk0, disk1) and use Raid5 (hence the purchase of the BBWC) on (Disk3, Disk4, Disk5).

I note in the array config utility I have the option to "ENABLE" the Physical drive write cache. Is this something is should be doing?


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