Date: Tue, 5 Nov 1996 01:31:04 -0800 (PST) From: Veggy Vinny <richardc@CSUA.Berkeley.EDU> To: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net> Cc: isp@freebsd.org Subject: Re: /usr/obj size Message-ID: <Pine.PTX.3.95.961105012735.13095H-100000@soda.CSUA.Berkeley.EDU> In-Reply-To: <199611050817.AAA15590@MindBender.serv.net>
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On Tue, 5 Nov 1996, Michael L. VanLoon -- HeadCandy.com wrote: > > I'll take a look at the newsgroup archives first and see since > >everyone has been giving me different answers of what the minimum is. > > The minimum is a 500MB hard drive and a FreeBSD installation. But > that won't do you much good. :-) Don't we wish it was that size :-) My -current already takes up over a gig :-) > News is an ever consuming beast. You will never have "enough" disk > space. (This is assuming a full feed.) It puts a good load on the > CPU, I/O subsystem, and memory, as well (assuming you have clients > reading news, and not just other server feeds). Actually, we'll just have clients reading news. > >> To get you started, he recommends many smaller drives, probably 2GB > >> each, striped with ccd, across multiple SCSI controllers, if possible. > >> NCR/Symbios 53c8xx cards or Adaptec 2940/3940 cards would work best > >> (until the BusLogic driver gets tagged-command-queuing, at which time > >> it theoretically should be as good as the other two). > > > Hmmm, would 4 GB drives work as well in this area and do I need to > >get 7200rpm drives or would 5400rpm do well? The machine will already > >have a Seagate Elite 9 ST410800W 9.1 gig Fast Wide SCSI-2 HD with the > >Adaptec 2940UW controller to start with. > > It will work. But the point is that you'll get much more performance > out of 4-5 2GB striped drives than you will out of one 9GB drive. 4GB > drives will also work, of course, but once again, you'll get more > performance out of four 2GB drives than you will out of two 4GB > drives. Oh okay but how will you do the mounting of the drives since it's hard to figure out where the mount points should be :-) > The reason I keep saying 2GB is because that seems to be the current > "sweet spot" where the price per gigabyte is lowest, and the > performanc is at least "good". Oh okay, I kept thinking the bigger drives were supposed to be cheaper. > Of course 7200RPM drives are faster. But, if you can buy an extra > drive or two, and put that in the stripe set, with the money you save > by going 5400RPM, that extra drive might just make up the difference > in speed. So, to say it the other way around: no, you don't need > 7200RPM drives. I guess that would explain it why the Seagate Elite's were so popular :-) Vince GaiaNet Corporation - Unix Networking Operations - GUS Mailing Lists Admin
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