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OK, so, finally with time on my hands, I find I can make this work.
Sorry about the message list traffic.<br>
<br>
bob<br>
<br>
On 1/25/2011 9:51 AM, Bob Ball wrote:
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Hi, no response on this the first time I sent it around. Can
anyone help me on this?<br>
<br>
Thanks,<br>
bob<br>
<br>
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<td>[Lustre-discuss] question about routing between subnets</td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">Date: </th>
<td>Fri, 21 Jan 2011 15:48:25 -0500</td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">From: </th>
<td>Bob Ball <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:ball@umich.edu"><ball@umich.edu></a></td>
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<th valign="BASELINE" align="RIGHT" nowrap="nowrap">To: </th>
<td>Lustre discussion <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:lustre-discuss@lists.Lustre.org"><lustre-discuss@lists.Lustre.org></a></td>
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<pre>Our lustre 1.8.4 system sits primarily on subnet A. However, we also
have a small number of clients that sit on subnet B. In setting up the
subnet B clients, we provided lnet router machines that have addresses
on both subnet A and on subnet B, the MGS machine has addresses on both
subnet A and subnet B, and all the OSS have lnet routing that lets this
work. Our world is a happy place.
Now, due to other factors, we have to change the MGS subnet B address to
instead be on subnet C. Subnet C will be set up to have the usual IP
routing to find subnet B, but what will happen to the clients that exist
only on subnet B? Is there a way for them to find the MGS at boot time,
or are they going to stop working once this network change is effected?
Thanks much,
bob
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