🚀 go-pugleaf

>Peter S. Shenkin {philabs,rna}!cubsvax!peters cubsvax!peters@columbia.ARPA
>>
>>Rotating machinery is still cheaper than silicon.
>
>And the advent of R/W optical disks will make this truer;  even though you
>can only write once, and access is basically sequential, a large part of
>their use will be to replace disk rather than tape.  For instance, I'm

	This discussion started on the virtues of virtual versus
	non-virtual memory systems. The optical devices I've heard
	of so far would make terrible paging devices. The disadvantages
	of using a WORM optical disk as paging device are obvious. Even
	proposed devices that could rewrite blocks, would not make good
	paging devices because of the awful seek times and rather anemic
	transfer rates associated with these devices. Has anyone seen
	any optical disks with numbers in these categories comparable
	to good magnetic disks?

	That is not to say that a optical disk dosn't beat the Hell
	out of having the data sitting in the tape library.
-- 
     Joel Upchurch @ CONCURRENT Computer Corporation (A Perkin-Elmer Company)
     Southern Development Center
     2486 Sand Lake Road/ Orlando, Florida 32809/ (305)850-1031
     {decvax!ucf-cs, ihnp4!pesnta, vax135!petsd, akgua!codas}!peora!joel