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Re: [K12OSN] LTSP Lab Slow to Boot



On Saturday 13 September 2008 12:16, Todd O'Bryan wrote:
>
> I have a technical question that I'm not sure of the answer to.
>
> I have two 24-port 10/100mbs switches that each have two gigabit ports, in
> addition. I also have two servers.
>
> Here was my original plan: link the two switches with gigabit and use the
> other gig port on each switch to go to each server. That worked well.
>
> In the meantime, I got access to a server with SCSI disks and hardware
> RAID, so I decided to use it for my home folders. I'm now running the
> servers' 192.168... nics to an 8-port gig switch in the server room that
> the file server is also connected to and I'm connecting that switch to one
> of the gig ports on the two switches that are in the lab.
>
> How much of a hit am I taking, and should I even worry about it?

To help answer this, I'll need a little more info.  If I understand you 
correctly, the "192.168..." NICs on both of your LTSP servers (you don't 
specify this, so I'm by necessity making an assumption here) are your "eth0" 
interfaces for talking to your thin clients.

Furthermore, both of these eth0 interfaces are now on the 8-port Gig-E switch.  
Additionally, you have this newly acquired, SCSI-disk-equipped file server 
that is on this same Gig-E switch, and all of this constitutes a single 
broadcast domain which houses only the 192.168.x.x subnet.

BTW, which specific 192.168.x.x subnet are you using--is it 192.168.251.0, 
192.168.33.160, 192.168.2.128, etc?  I don't see that specified.  And what is 
the subnet mask?

Finally, you have this 8-port Gig-E switch uplinked to a Gig-E port on the two 
switches in the lab (another, separate room).

Is all of this correct, or am I misunderstanding something here.

--TP


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