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Okay, thanks, this is likely what I missed.<br>
<br>
Steven Truelove<br>
<br>
<br>
Doug Ledford wrote:
<blockquote cite="mid:1220719891.7801.48.camel@firewall.xsintricity.com"
type="cite">
<pre wrap="">On Sat, 2008-09-06 at 07:18 -0400, Steven Truelove wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Yes, the DHCP server starts just fine. The hardware address was
pulled from the output of ifconfig on the client. Even if the hardware
address was wrong, or I didn't list the host at all, the 'range'
setting should ensure that an address is provided from the open pool.
There is output in the logs to indicate that there is no subnet
listing for ib1 and eth0, and that it won't be listening on those
interfaces. This implies that it is working on eth1 (where DHCP is
tested working) and ib0 (where no log references to DHCPDISCOVER are
made, even though the client is sending them).
That said, am I barking up the wrong tree entirely by even trying to
make this work? There are a few references to this being possible
when I google for 'infiniband dhcp', and this is where I got the
'always-broadcast on' setting from. Apparently this is necessary.
But I couldn't find anything further to help me.
</pre>
</blockquote>
<pre wrap=""><!---->
Did you apply the dhcp patch that's in the OFED distribution to the dhcp
server and recompile? Without, it doesn't know how to parse IB
broadcast packets (and with it, it still doesn't, but it switches from
raw mode to cooked socket mode where it doesn't have to know the
structure of a raw IPoIB packet). It would certainly explain the dhcp
server silently dropping the packets, they wouldn't look like dhcp
requests in raw mode.
</pre>
<blockquote type="cite">
<pre wrap="">Thanks,
Steven Truelove
Doug Ledford wrote:
</pre>
<blockquote type="cite">
<pre wrap="">On Fri, 2008-09-05 at 16:09 -0400, Steven Truelove wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Okay, thanks, I have run opensm and I have gotten IPoIB working as
well, although there is a problem. IPoIB works fine with static IPs,
but I can't get DHCP to work. The logs suggest that the DHCP server
simply isn't seeing the DHCPDISCOVERs from the client. Here is the
relevant chunk of dhcpd.conf:
subnet 192.168.200.0 netmask 255.255.255.0 {
always-broadcast on;
range 192.168.200.10 192.168.200.50;
option broadcast-address 192.168.200.255;
}
host sappsu4-ib {
hardware ethernet 80:00:04:04:FE:80:00:00:00:00:00:00:00:00:00:00;
fixed-address 192.168.200.104;
}
Does this have any chance of working?
</pre>
</blockquote>
<pre wrap="">Will your dhcp server even start up with that hardware ethernet line in
it? None of the patches for the dhcp server that I've seen enable dhcp
to parse that big of an ethernet definition.
</pre>
<blockquote type="cite">
<pre wrap="">Thanks,
Steven Truelove
Sasha Khapyorsky wrote:
</pre>
<blockquote type="cite">
<pre wrap="">On 16:39 Fri 05 Sep , Bernd Schubert wrote:
</pre>
<blockquote type="cite">
<pre wrap="">We just didn't have the time yet to complete all the packaging and to push
it upstream to Debian, here is what we have so far
# Etchy packages, but also should work for hardy
deb <a class="moz-txt-link-freetext" href="http://www.pci.uni-heidelberg.de/tc/usr/bernd/downloads/infiniband/etch">http://www.pci.uni-heidelberg.de/tc/usr/bernd/downloads/infiniband/etch</a> ./
# Hardy packages, but not recently maintained (only for my workstation)
deb <a class="moz-txt-link-freetext" href="http://www.pci.uni-heidelberg.de/tc/usr/bernd/downloads/infiniband/hardy/">http://www.pci.uni-heidelberg.de/tc/usr/bernd/downloads/infiniband/hardy/</a> ./
</pre>
</blockquote>
<pre wrap="">Great!
Sasha
</pre>
</blockquote>
<pre wrap="">--
Steven Truelove
Array Systems Computing, Inc.
1120 Finch Avenue West, 7th Floor
Toronto, Ontario
M3J 3H7
CANADA
<a class="moz-txt-link-freetext" href="http://www.array.ca">http://www.array.ca</a>
<a class="moz-txt-link-abbreviated" href="mailto:truelove@array.ca">truelove@array.ca</a>
Phone: (416) 736-0900 x307
Fax: (416) 736-4715
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</pre>
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