I have following adapter, and if I create a stack of disk/shelf (ds224-12), among 4a/4b/4c/4d, which two ports should be used to create the stack and why?
MFG Part Number: NetApp, Inc. 110-00401 rev. B0Part number: 111-02026+B0
See The Solution
If you ONLY have a single 4-port adapter, then you use
4a/4d Stack 1
4b/4c Stack 2
The card has two ASICs on it. One controls ports a/b and the other ports c/d.
This way is one asic fails, the stack does not.
Now, referring to the cable guide if you have more than 4-ports, you should use ports from all sources.
slots 0 and 4 for instance, you would/should do:
0a / 4b
4a / 0d
0c / 4d
4c / 0b
View solution in original post
see pages 17-53 on the SAS cabeling guide
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