A failed drive causes system to hang

[Quartz]

>If the ZFS layer
> is waiting on CAM, and CAM is waiting on your hardware, then those I/O
> requests are going to block indefinitely.

> 2. I agree that the problem is not likely in ZFS, but rather either with
> CAM, the AHCI implementation used, or hardware (either disk or storage
> controller).

Question:

How (or does) this relate to the hang that I'm seeing with my system? 
You mentioned cam issues when talking to me earlier, but less decisively 
than your comment here. What's the difference?


> We're also
> going to need to see "zpool status" output, as well as "zpool get all"
> and "zfs get all".  "pciconf -lvbc" would also be useful.

You never asked for these when talking to me, but I can provide any of 
it if you want to look at it.

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