>
> not sure if it's a good idea to do this with any disk interface that
> not's designed for it. i have a DEC paper somewhere about SCSI, and
> it spends a lot of time on hot swap issues. Hot swap can be extremely
> bad for an interface physically and electrically. eg, SCA and other
> proprietary scsi hot-swap interconnects are designed specifically
> with hot swap in mind, and even still (according to the DEC paper)
> there are non-insignificant risks to hot swapping a SCA device. Most
> of which relate to the timing of the (de)coupling of power lines
> relative to ground lines. (IIRC).
>
>
this is why there are actually 2 different types of sca connector, the
newer one is compatable with the older, and the only real difference is
the drive and data ground pins are contacted first, then the drive power
12v and Vcc, then the data Vcc.
hard to tell the diff by looking, though.
allan
