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Date:      Wed, 5 Jan 2000 23:00:47 -0500 (EST)
From:      "Gary D. Margiotta" <gary@tbe.net>
To:        "Robert J. Adams" <radams@siscom.net>
Cc:        Troy Settle <troy@picus.com>, FreeBSD ISP <freebsd-isp@FreeBSD.ORG>
Subject:   Re: News Server reccomendations (one more thing)
Message-ID:  <Pine.LNX.4.10.10001052259370.4450-100000@thud.tbe.net>
In-Reply-To: <02b301bf57dc$d0ffa620$3102fbd1@siscom.net>

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Yeah, it's all according to how crazy you wanna go... with 18 9GB drives,
we should retain binaries for 3-4 days if I'm doing my calculations
correctly... if you want to get a week with binaries, then you've gotta
have more... all depends.

-Gary

On Wed, 5 Jan 2000, Robert J. Adams wrote:

> Gary,
> 
> Not sure if I agree with you. With the size of news today (we bring in about
> 81-90G/day) it would take a LOT of 9gig drives to store it for a week. We
> have been using 50gig barracudas (about 24 per server, soon to be 32) in a
> RAID 0+1 setup. Yea, we loose half the space w/ this setup due to the raid,
> but it's lightening fast and fully redundant. I'm just waiting for IBM to
> start shipping the damn 72G drives.. then again.. we kinda go crazy with
> news.
> 
> -j
> 
> ---
> Robert J. Adams radams@siscom.net http://www.siscom.net
> Looking to outsource news? http://www.newshosting.com
> SISCOM Network Administration - President, SISCOM Inc.
> Phone: 937-222-8150 FAX: 937-222-8153
> 
> ----- Original Message -----
> From: Gary D. Margiotta <gary@tbe.net>
> To: Troy Settle <troy@picus.com>
> Cc: FreeBSD ISP <freebsd-isp@FreeBSD.ORG>
> Sent: Wednesday, January 05, 2000 2:55 PM
> Subject: Re: News Server reccomendations (one more thing)
> 
> 
> > In our experiences with news, you really don't want to RAID the spool
> > array... it's the same idea as in a heavily loaded mail server... the
> > smaller the disk, the more disks you have, the more spindles, the better
> > off you are.  I would personally love to have 100 2GB Barracudas in a
> > rack, but that leads to one heckuva lot of real estate.
> >
> > IMHO, keep your spools away from RAID... with the introduction of U2W and
> > 10,000 RPM drives, you can put 2 silos filled with 9 GB U2W drives, and
> > still have it be insanely fast and large.  You don't want to go above 9GB
> > in one shot, otherwise when a drive goes, you'll lose a heckuva lot of
> > information.  Also beware of striping, as if one disk goes, you lose one
> > large chunk of spool.  And drives will go... just due to the stress of
> > being up and running 24/7/365, usually at heavy useage.
> >
> > On Wed, 5 Jan 2000, Gary D. Margiotta wrote:
> >
> > >
> > > We are running Dnews on 2 FreeBSD 3.3-STABLE boxes.  The primary machine
> > > is a Dual P-II 450, 512MB RAM, with a DPT 3334-UW and 2 Adaptec 2940UW's
> > > (Not U2W yet). It rocks. I have to honestly say, that the box is much
> > > faster and more stable than the Solaris/Breeze (Breeze is from the same
> > > people who make Typhoon) config we had previously on the same box.
> > >
> > > The other box is a P-II 300 w 256MB RAM, a DPT 3334-UW, and an Adaptec
> > > 2940UW with 4 Medalist drives mirrored as OS/history, and 8 Quantum
> > > Fireball UW drives for spool.  This machine is our text server, no
> > > binaries, and has 24 GB for spool.
> > >
> > > On the binary server, we have 4 mirrored system drives for OS and
> history,
> > > and we have 2 Data silos with 9 Seagate Medalist drives in each.  Each
> > > silo is run off a separate Adaptec 2940, totalling 72GB of spool
> > > currently.  I'm trying to migrate all of the Seagate drives off to 9GB
> IBM
> > > UW drives, as the DPT card and the Medalists don't really like each
> > > other... that's the reason for the extra Adaptecs.
> > >
> > > Currently, we have about 10k direct news users, and we resell services,
> so
> > > the machines are quite heavily abused, and they never complain.  Load
> > > never ever comes even close to 1.00, machine is always responsive, and I
> > > think we could easily handle another 10-15k users without a problem.
> > >
> > > -Gary
> > >
> > > On Wed, 5 Jan 2000, Troy Settle wrote:
> > >
> > > >
> > > > Hey all,
> > > >
> > > > The company I'm working for is currently using D-News on NT for
> usenet.  I'm
> > > > a total newbie to the NNTP game, but am under the impression that
> Dnews
> > > > isn't a very good solution for an ISP with 20k users.
> > > >
> > > > I think I want to reccomend something like Typhoon, and I need to get
> some
> > > > hardware reccomendations, like single or dual CPU system?  how much
> memory?
> > > > what kind of storage subsystem?
> > > >
> > > > I'm thinking a dual cpu box with as much RAM as it will take, and 100+
> gig
> > > > of RAID or Appliance would be the way to get this started, but I need
> > > > validation on this.
> > > >
> > > > Another option might be to use MFS, and not have any fixed disks in
> the
> > > > machine itself, and use a network applicance for the spool.
> > > >
> > > >
> > > > Thoughts and opinions?
> > > >
> > > > -Troy
> > > >
> > > >
> > > >
> > > > To Unsubscribe: send mail to majordomo@FreeBSD.org
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> > > >
> > >
> > >
> > >
> > > To Unsubscribe: send mail to majordomo@FreeBSD.org
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> > >
> >
> >
> >
> > To Unsubscribe: send mail to majordomo@FreeBSD.org
> > with "unsubscribe freebsd-isp" in the body of the message
> >
> 



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