On Thu, Aug 28, 2008 at 11:29:21AM -0500, Bob Friesenhahn wrote:
> Which of these do you prefer?
> 
>    o System waits substantial time for devices to (possibly) recover in
>      order to ensure that subsequently written data has the least
>      chance of being lost.
> 
>    o System immediately ignores slow devices and switches to
>      non-redundant non-fail-safe non-fault-tolerant may-lose-your-data
>      mode.  When system is under intense load, it automatically
>      switches to the may-lose-your-data mode.

Given how long a resilver might take, waiting some time for a device to
come back makes sense.  Also, if a cable was taken out, or drive tray
powered off, then you'll see lots of drives timing out, and then the
better thing to do is to wait (heuristic: not enough spares to recover).

Nico
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