I have a doubt regarding Active Control Path , how it is connected say if i have 2 Disk shelf will it be 2 individual cables coming from filer to disk shelf's or 1 cable comes from filer connects to disk shelf from that disk shelf it will be going to another disk shelf ???? . please help me to understand this.
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2012-10-15 11:28 PM
If you have a single controller FAS , it's a kind of cascade ending with the last shelf.
If you have a dual controller FAS , it's also a kind of loop-cascade but the last shelf will be connected to the second controller acp port
Ctrl1 1 --> shelf1 --> shelf2 --> ctrl2.
Details can be found in the DS4243 Disk shelf Installation and setup sheet or the Universal SAS&ACP cabling guide.