[K12OSN] New Building's LTSP Server
Steven Santos
Steven at simplycircus.com
Mon Apr 18 13:47:03 UTC 2011
Also, think about using your current server again, be it for an app
server, or as a dedicated LTSP server for admin.
---
Steven Santos
Director
P: 617-527-0667
F: 617-934-1870
E: Steven at SimplyCircus.com
Simply Circus, Inc.
86 Los Angeles Street
Newton, MA 02462
On Mon, Apr 18, 2011 at 9:30 AM, Jeff Siddall <news at siddall.name> wrote:
> Personal opinions:
>
> You are definitely going to need more than 2 GB RAM. CPU seems less
> important. I am running a quad core Phenom II, 8 GB with about 20
> clients total, 10 or so being steadily used. No performance issues
> except it is easy for the GigE to get saturated if there are clients
> playing video. Video is killer for LTSP. If you don't install flash
> your life will be better :)
>
> I would avoid SCSI drives. Not because they are bad, but because your
> money could probably be better spent elsewhere. Modern SATA drives
> perform great. Also, definitely go with RAID1. Not only will it buy
> you survivability but you get 2X the read performance. Software raid
> works fine. Avoid RAID5. If you can afford it try SSDs. They will
> vastly increase the random IO ability of your system which is especially
> important for LTSP.
>
> When you are all done, spend any leftover money on more RAM. 16 GB is
> definitely not too much. Even if you don't need it for applications the
> system will use it for cache which will make your server faster.
>
> One other thing to consider: building one giant server may not be
> adequate. 65 clients is a lot! You might be better off building two
> smaller servers for the same price. You might also run into scaling
> issues with file handles and whatnot with a large number of logged-in
> clients. Google for people who ran into that and the resolution they
> found. Localapps for pig apps like Firefox may help save your server
> performance.
>
> Good luck. Please post your findings once you get things up and running.
>
> Jeff
>
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