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<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">Hello all-<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">I have a bed of diskless clients which boot over iSCSI. Each client receives an IP and root path from the DHCP server, the root path points to a unique iSCSI target. The way this is
implemented in the DHCP server today is to statically pair the IP and root path with each client’s MAC address, for example:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">host initiator1 {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">hardware ethernet 00:0C:29:A8:93:DF;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">fixed-address 10.0.0.1;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">filename "";<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">option root-path "iscsi:initiator1.example.com::::target00";<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">The downside of this is that I have to know the MAC of every client. I don’t actually care which client gets which IP or which target, all clients are identical, so as long as they all
get a unique IP and target not given to any other client at the same time I’m good. Ideally I would just like to pair the IPs and targets, since the DHCP server already handles keeping IPs unique a 1:1 pairing with targets will also ensure targets are unique.
Is it possible to set up dhcpd.conf to do something like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">When issuing 10.0.0.10 issue root path "iscsi:initiator1.example.com::::target10"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">When issuing 10.0.0.11 issue root path "iscsi:initiator1.example.com::::target11"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">When issuing 10.0.0.95 issue root path "iscsi:initiator1.example.com::::target95"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">Or even more compact, can we do something like this:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">When issuing 10.0.0.X issue root path "iscsi:initiator1.example.com::::targetX"<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif"">Joe<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear","sans-serif""><o:p> </o:p></span></p>
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