Re: 170 - Power it off or keep it powered on?

[Keith Carpenter <entropypool@xxxxxxxxx>]

James Lampert wrote:
> Our late lamented D02 was powered down most of the time, but kept 
> plugged in. It wasn't kept on a UPS, and the internal UPS was long gone 
> (and physically removed). On two separate occasions, both shortly after 
> a power failure had occurred after a prolonged period without a 
> power-up, it went into system password bypass. We found that we could 
> extend the bypass period by keeping the system powered down as much as 
> possible.
>   
The D02 may have had a bad cache battery.

> We have 3 boxes that only get occasional use, and all of them are on a 
> weekly exercise cycle, both to keep the drives limber, and to keep them 
> from going into system password bypass.
>   
The exercise trades off some motor life (startup load) for stiction 
avoidance.

Keith