The disk identified by its ID or physical location?

I mean, it's with the server off, I can move readers to different locations and the Raid Controller simply know what readers who are without any reconfiguration.  Reason we want to do is to separate Raid 1 + 0 conduit through SAS channels to ensure resilience if one channel fails, the layout being:

4 disk Raid 10, S = Stripe, M = mirror, Assume the delivery of machine as:
Location 0 - S1Ma
Location 1 - S1Mb
Slot 2 - S2Ma
Location 3 - S2Mb

To ensure the resilience we want to change that through the two SAS - A and SAS - B channels:
Slot 0 (SAS - A) - S1Ma
Slot 1 (SAS - A) - S2Mb
Slot 8 SAS - B - S2Ma
Slot machine 9 SAS - B - S1Mb

In this way is either A - SAS or SAS - B omits the table still works.

If realize when the server is turned off, the table will not need to be rebuild... the controller is smart enough to know the place of the reader in the table, regardless of the physical location it is attached.

If done when the server is running, the disc will become out of sync with others and will have to be rebuilt in the table.

Tags: Dell Servers

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