Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!linus!decvax!cca!johnl From: johnl@cca.UUCP Newsgroups: net.arch Subject: Re: Disk caches?? - (nf) Message-ID: <424@ima.UUCP> Date: Wed, 3-Oct-84 23:35:21 EDT Article-I.D.: ima.424 Posted: Wed Oct 3 23:35:21 1984 Date-Received: Sat, 6-Oct-84 01:46:22 EDT Lines: 11 #R:sdcsvax:-15200:ima:4600001:000:407 ima!johnl Oct 3 10:02:00 1984 When looking at disk cacheing, don't neglect the heavily buffered hardware (well, firmware) buffering in modern disk controllers. For example, last week IBM announced a new version of their 3880 disk controller with up to 32 megabytes of RAM cache, implemented with 256K DRAMS. It transfers to and from main memory at 3MB/sec. Now, there's a disk controller for real men. John Levine, ima!johnl