Re: diskless feature in fedora?

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On Sat, Jan 17, 2004 at 09:37:33PM +0200, Kaspars Melkis wrote:
> Hi Lewi,
> 
> > > /usr/bin/mknbi-linux --append "noauto root=/dev/ram0 init=disklessrc
> > > NFSROOT=172.16.15.1:/a ramdisk_size=10000 ETHERNET=eth0" vmlinuz
> > > initrd.img > vmlinuz.nbi
> > > 
> > thank, that's solve my problem, 
> > I have try your solution. I fault that specify nfs root with /a/root, the correct one is /a (directory
> > that countain root and snapshot dir), and directory for redhat-config-netboot should using
> > /a too, the help hint is confusing me, "enter nfs exported dir"-> nfs exported /a/root and /a/snapshot
> 
> 
> Congratulations! My suggestion for netboot maintainers is to implement
> this in redhat-config-netboot. Maybe some checkbox to indicate if the
> client machine is PXE or Etherboot and then creating appropriate nbi
> image. I would be willing to do myself but, alas, my knowledge of rpm is
> limited and I don't know anything about python programming.
> 
> 
> > and the problem nfs so slow(with error message still retrying), i dunno if this the real problem 
> > I change/add ethernet 8139too with Full Duplex 100mbps, the old one is using tlan(half duplex 10mbps)
> > then just running well
> > 
> > now It's running well, until enter graphical boot
> > it show gdm login menu, 
> > 
> > but gnome restart again when enter desktop, I found that because memory not enough
> > (diskless client compaq deskpro 6000, pentium pro, 65mb, S3 savage)
> > 
> > so I create swap file 256mb and set loop device for that(add script to rc.local)
> > so, /dev/loop0 swap swap defaults 0 0 
> > but I think it's still slow, 
> > what can I do to speeding up? or
> > just running xinit in diskless client then query from X in server?
> 
> You would not like to run Gnome with only 65 MB RAM. For swap purposes
> 100 Mbit link is even slower than hd. And yes, X-terminals is the
> answer. Install XFree86-xdm on the server and edit /etc/X11/xdm/Xaccess.
> Don't run any services on the clients, configure X to use xfs from the
> server, and in inittab change xdm to "X -query <server_ip>".
> 
> I run such setup even on 10 Mbit coax and this works as a charm. Only
> video and sound applications don't work in this way. And the server
> should get plenty of RAM.
> 
> If you don't run any services on client computers then you even don't
> need swap file. BTW, could you make swap file over NFS without kernel
> patches? Kernel patching is PITA although Ltsp project provides these
> patches. Previously I used ltsp for clients but it was very hard to
> customize on client side because of too many differences. I am glad that
> I could find a way to use a redhat solution both for the server and the
> client. Thanks to RedHat indeed.

I found email that explain this, 
in my rc.local (I still don't experiment how put this in early script)
that making swapfile before,
then making losetup to /dev/loop0 
then running swapon, because in my knowledge that 
rc.local is running before X, then It's okay by now



-- 
ichtus
------
Lewi Supranata .K
ICQ: 50643061
IPLUG Team
Homepage :  http://mbone.petra.ac.id/u/ichtus
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