Server power

[Simo Sorce]

On Sat, 17 Feb 2001, Mark wrote:

> I am planning on a 100Mb Swtiched Network - 100Mb card both on the server
> and the workstations.  If I go for the mutiple drives as you suggested, is
> it going to speed things up to have more than 1 network card, or was that
> just another suggestion?
>

Well having multiple cards coupled with a switch will increase your
network transfer capacity.
But you will have to load balance on the different adapters (multiple IP).
I'm aware that with the latest kernel linux is also able to make a so
called (by Cisco) etherchannel, that is using more cards as a single
interface, but I've not tested it.


>
> > On Fri, 16 Feb 2001, Mark wrote:
> >
> > > hi, and thanks for this - its not so much CPU load I am concered about
> but
> > > the ability to read files stored on the server.  Any idea what kind of
> > > transfer rates you get when everyone tries to access the serveR?
> >
> > Well, it really depends on what kind of network you will have
> > 1Gb, 100Mb, 10Mb, switched?
> > Generally a server that runs at 100Mb in a swithed network with client at
> > 10Mb runs no bad (I've tested with 50+ clients).
> > But If you think you will have really nuch trafic from the clients, thimk
> > of putting 2/3 100Mb cards (or 1Gb?) and take care of disk speed (A scsi
> > RAID5 for homes and RAID0 for the stored CDROMs will rock) IDE does not
> > scale on multiple access, while scsi do and really well.
> >
> > >
> > > Mark,
> > >
> > > Here's what I have installed:
> > >
> > > 270 Windows Workstations, most Win98. 1 Linux server that currently
> > > runs Samba for print services, logon services, file services, WINS
> > > service, Netbios service; DHCP; Squid for Internet Proxy of all my
> > > workstations; Apache for our intra and Internet server.
> > >
> > > The server is a Dell Optiplex GX1 _desktop_. 400Mhz PIII processor, 30
> > > GB IDE harddrive, 128MB of memory.
> > >
> > > I've been monitoring CPU load for over 3 weeks now to determine what
> > > else I can put on this server, and my load has rarely been over 5%.
> > >
> > > HTH,
> > >
> > > Mike
> > >
> > > -----Original Message-----
> > > From: Mark [mailto:mark at axeon.screaming.net]
> > > Sent: Friday, February 16, 2001 12:23 PM
> > > To: samba-ntdom at lists.samba.org
> > > Subject: Server power
> > >
> > >
> > >
> > >
> > > I intend to install a network of 110 Windows Workstations into an
> > > Educational establishment. The server would (naturaly!) be running
> > > linux & samba (2.2 if it is released as stable in time). I would like
> > > to store CD images for the workstations to access, as well as the server
> > > acting as a logon client. I understand that this would be quite a large
> > > demand on any server - so I am looking for suggestions of how powerful a
> > > server would need to be - or if I would need more than one.
> > >
> > >
> > > Many thanks
> > >
> > >
> > > Mark
> > >
> > >
> > >
> > >
> > >
> >
> > --
> > Simo Sorce - Linux Systems Consultant
> > E-mail: simo.sorce at polimi.it
> > Tel: +39 0348 7149179 - Fax: +39 02 700442399
> > -----------------------------------------------------------------
> > Be happy, use Linux!
> >
> >
>
>

-- 
Simo Sorce - Linux Systems Consultant
E-mail: simo.sorce at polimi.it
Tel: +39 0348 7149179 - Fax: +39 02 700442399
-----------------------------------------------------------------
Be happy, use Linux!