[K12OSN] IDE if /home is NFS?

Sudev Barar sudev at mantraonline.com
Thu Apr 1 04:22:36 UTC 2004

On Wed, 2004-03-31 at 21:50, pnelson wrote:
> On Wed, 2004-03-31 at 07:12, Dan Young wrote:
> > On Wed, 2004-03-31 at 06:59, Shawn Powers wrote:
> > > Am I correct in thinking that as long as the server dishing out /home is 
> > > scsi with raid5, etc --  the LTSP servers themselves don't need to have 
> > > SCSI?  I have a really nice server for /home (scsi 320 in raid5 array, 
> > > gig eth) but hope to have many "mini" labs that all mount /home via NFS.
> > > 
> > > I am thinking that my concerns should be about CPU on the LTSP server, 
> > > and IDE for drives will be fine.  Can anyone confirm this?
> > 
> > I believe this is Paul Nelson's setup at Riverdale.
> > 
> > -Dan Young
> > -Parkrose School District
> > 
> Yup... We have 4 application servers, dual Xeons, running K12LTSP 4.0.1
> with IDE drives. Each server NFS mounts /home. Once Mozilla and
> OpenOffice is up and running, there's not much left for the drives to
> do. These machines are used by about 115 clients.

Sorry for my limited knowledge but a question here:
If /home is NFS mounted the advantage (and speed) of having files and
processing capabilities on the same server (read same bus) goes away and
network traffic increases? So if users starts OO and the file is mounted
from NFS then the additional time for file transfer will slow down
things a bit....Please what is the PCI bus speed in comparison to NFS
(100mbps or maybe newer 1000mbps)? Yes I can appreciate advantages of
central file server but what is speed trade off?
Sudev Barar

Learning Linux

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