Dual processor is the way to go on any machine where reliability is tantamount! As was pointed out in Brent's message, any run-away process will not take down the server if it is dual processor.
For web server /mail server, you may want to think about clustering several machines. Also, if you can, try to transition the change over to the new machines. That way you can concentrate on each function (web server, mail server, etc.) and make sure it is right before moving onto the next chunk of your project. Also, take volumious notes; when you make changes to the configuration, comment out the old lines and add the new ones below - that way if you run into unexpected problems, you can adjust the config files easier; print out the config files and keep them in a master notebook for the project, in case of something unexpected cropping up. On Thursday 05 December 2002 07:51 am, you wrote: > *** Sent this already, doesn't seem to have arrived so I'm sending it again > *** > > Hi guys, > > I just got something of a promotion and I've been asked to change the > network over to hardware/software/OS over to something more professional. > > my plans are: > > - Mandrake Linux on all box's that will take it. (I thought about a unix > variant (Solaris specifically), but I'm now more familiar with Linux, and > most familiar with Mandrake. plus I decided to support the movement :-) > - Rack mount servers with Hotswap SCSI UW harddisks, two per box setup to > mirror. (speed not that important, at least initially.) > - Digital switch for single monitor/keyboard/mouse per rack tower. > - Mail (postfix, amavisd-new, spamassasin), Web (apache extranet), DNS > (DynDNS (if I can figure out how to change over from Bind9.x)) servers. > - Master router/firewall, preferably hardware, but linux box if easier. > must be able to handle NAT and straight routing at the same time on > different interfaces. and must be able to handly two NET connections and > switch between the two if one goes down. (say for example two ADSL > connections, or a T1 and a backup ADSL.) > > > My Questions are: > > 1. SCSI controllers/drives and hotswap... can linux handle hotswapping? And > whats the best controller cards to use? I have heard many a complaint about > Adaptec cards and the like.. whats the best supported trouble free card? > > 2. Hardware router/firewall setup, anyone have any suggetions here??? a box > capable of handling multiple connections and offer NAT AND routing to > different interfaces on the back of the unit? > > 3. Whats the best prefab backup system for linux box's??? (don't tell me > its tar.. I was hoping for something more inclusive). > > 4. DYNDNS. I have working BIND9 installs, and I am not used to Dyndns, but > the config pages on Bernsteins site read like gibberish to me, I want to > edit a config file or two like with BIND.. is there a way of doing that?? > > 5. Multiple CPU's, I was thinking of using Dual AMD CPU's on the mail and > web servers.. the mail and web will be doing all the mail and sites for > about 100 websites and is likely to have some high usage statictics as time > goes on.. Is this a good idea or should I just create multiple web/mail > servers and configure them via round robin or similiar?? > > Any hardware tips, suggestions, flames etc about config and stuff from > those of you using this stuff would be most appreciated. > > > kindest regards > > Frank
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