Carl Lowenstein on Fri, Nov 30, 2007 at 10:39:21AM -0800:
> On Nov 29, 2007 11:21 PM, Andrew Lentvorski wrote:
> > Wade Curry wrote:
> >
> > > I've heard that solid state drives were the rage in the past,
> > > in the mainframe shop I was in at least.  But in the end they
> > > ditched it because it wasn't nearly as reliable as the SCSI
> > > disk packs they had been using.
> >
> > Really?  When?  Were those just RAM with batteries?  I don't
> > ever recall flash even being remotely in the running until this
> > year.
> >
> > > Any remarks about the reliability?  At this point I don't see
> > > it as a particularly attractive feature quite aside from the
> > > astronomical price.
> 
> My feeling for "in the past" for solid-state drives places them
> about 15 to 20 years ago.  DEC had some that were basically RAM
> arrays with a battery backup.  I think the price was about $50k
> for a 32MB unit.  You really had to want the low latency access.

Bingo.  I wasn't working there at that time so I don't have
personal recollections of them.  All of the disk drives on those
systems are connected externally, though.  Latency was a big
concern.

Wade Curry
syntaxman


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