Re: dosemu multicast w/ dosghsrv (ghost)

Eric Becker
2004-01-08T04:40:15Z

We are currently booting off of a dos client and pushing the images via
samba. We have an HP Proliant server. It has a single Xeon Processor
(2.8GHz I think), 1.5GB RAM, and scsi hardware raid 5. It's running
Suse 8.2 all on a dedicated lan for imaging (no other clients). We have
the server leasing out ip addresses and pushing out a dos client via PXE
and atftpd. The server is only running atftp, dhcpd, samba, and sshd.
It is not running any other daemons (mail server, xwindows, nfs,
etc...).

Anyway, we're using this server strictly for imaging purposes. We're
only imaging on average around 100 pc's a day right now, but that is
soon to change. If I do more than 20 desktops at a time, the server
becomes painfully slow. All those samba processes just hammer the
processor and hard drives. Each image is roughly 2-5GB in size and when
the server is put under strain they will sometimes only transfer at
100-150MB/min. A "ps aux" on the server can take up to a minute to
scroll on the console. Also, the server will stop accepting all network
connections when heavily strained. When not under heavy load, the
images will usually transfer around 350-500MB/min.

It looks like we need a multicast solution. Although, I'm definately
open for suggestions.

>>> Justin Zygmont <jzygmont@solarflow.dyndns.org> 01/07/04 20:21 PM >>>
another way is to create a network boot disk and run it off the samba
share.

On Wed, 7 Jan 2004, Eric Becker wrote:

> I'm trying to setup dosemu so that I can run the dos multicast server
> from ghost. I'm actually using the supplied freedos instead of msdos.
> In my /etc/dosemu/dosemu.conf
>
> $_pktdriver = (on)
> $_netdev = "tap0"
> $_vnet = "tap"
>
> If I do an lsmod I can see that tun is loaded. I assume I need to be
> loading some kind of dos network driver in freedos??? I can't seem to
> get the networking to function properly. Anyway, here's my
> results....any help would be appreciated.
>
> C:\IMAGES\GHOST75>dosghsrv.exe c:\images\common.gho test
>
> Symantec GhostCast Server for DOS V7.5.0.335 (c) Symantec Corporation
>
>
> Now listening for clients asking for session <test>...
>
> >>> Press any key to stop accepting clients and start transmission.
> <<<
>
> RMLStartup failed: Network is down.
>
> C:\IMAGES\GHOST75>
>
>
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