Date: Sun, 4 Jan 1998 22:47:06 -0600 (CST) From: "James D. Butt" <jbutt@mwci.net> To: freebsd-isp@FreeBSD.ORG Subject: Re: ISP Conversion Message-ID: <Pine.BSF.3.96.980104223703.25567C-100000@subcellar.mwci.net> In-Reply-To: <3.0.5.32.19980104222917.007b9810@pop.cantv.net>
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> >4) NFS. I'm looking to have an NFS machine which will house pretty much > I tend to dislike this design. This will create a single point of failure With a NetApp of falcon NFS server that is 100% redundant a failure is unlikely. Yet I think that it would be nutzo to put all services on one box.... > The performance will also suffer because of the massive ammounts of > info you'll have bouncing in your network back and forth. Picture this: > > (1) User request a given article from your news server > (2) news server reads the file from the NFS server > (3) news server replies to the client > > This duplicates (or triplicates if you consider the download of your > news traffic) the ammount of data sent over your net. > No.. Put multiple NIC's in 100BaseT or FDDI.. to connect "client" machines to NFS server.. and isolate the NFS server on a seperate network. If this is done right files coming out of cache on the NFS Boxes should be faster than local HD's.. > > You also have all your eggs on a single basket; if one of your 4Gig > disks die, all of your services will go down though they might have > survived (you still have perfectly good servers). RAID on NFS Box (NetApp or Falcon Box's are good) > > Please don't get me wrong, as I'm biased towards a more distributed > design strategy ;) I think that for most things that distributed computing is the best but some applications *MAIL* has to have some type of centralization.. -------------------------------------------------------------------------- James D. Butt 'J.D.' Network Engineer Voice 319-557-8463 Network Operations Center Fax 319-557-9771 MidWest Communications, Inc. Pager 319-557-6347 241 Main St. noc@mwci.net Dubuque, IA 52001 jbutt@mwci.net --------------------------------------------------------------------------
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