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<p class="MsoNormal">I wanted to clue people into a plan Brad, Brian and I have been working on to migrate/update the Channel Access Servers to RHEL 9. The previous setup has worked very well except the network size as always a problem. We decided that we
would create a new dedicated network to host both the gateways and nameservers. We can then deploy copies of all the systems as RHEL 9 nodes and perform the migration piecemeal or however we wish. Parallel production will provide the maximum flexibility.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is the new Channel Access Network<o:p></o:p></p>
<p class="MsoNormal">--------------------------------------------------------------------<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> netname => canet <o:p></o:p></p>
<p class="MsoNormal"> netnumber => 129.57.235.0 <o:p></o:p></p>
<p class="MsoNormal"> gateway => 129.57.235.1 <o:p>
</o:p></p>
<p class="MsoNormal"> mask => 255.255.255.0 <o:p></o:p></p>
<p class="MsoNormal"> cidr => 24 <o:p>
</o:p></p>
<p class="MsoNormal"> hexmask => 0Xffffff00 <o:p>
</o:p></p>
<p class="MsoNormal"> broadcast => 129.57.235.255 <o:p>
</o:p></p>
<p class="MsoNormal"> domain => acc.jlab.org <o:p>
</o:p></p>
<p class="MsoNormal"> vlan => 235 <o:p></o:p></p>
<p class="MsoNormal"> comment => Channel Access Network <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">--------------------------------------------------------------------<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here are the old vs new IPs. These were kept as the same last addresses for ease of transition. cagwspare was renamed for it’s function (it is a second hall D gateway) and given a new IP. So, for example, cagw and cagw9 will run in parallel
production until everything has been converted to look at cagw9. We would then decommission cagw and make cagw a DNS alias for cagw9.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagw 129.57.255.4
<o:p></o:p></p>
<p class="MsoNormal">cagw9 129.57.235.4
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwhla 129.57.255.11
<o:p></o:p></p>
<p class="MsoNormal">cagwhla9 129.57.235.11
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwhlb 129.57.255.12 <o:p></o:p></p>
<p class="MsoNormal">cagwhlb9 129.57.235.12
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwhlc 129.57.255.13
<o:p></o:p></p>
<p class="MsoNormal">cagwhlc9 129.57.235.13
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwhld 129.57.255.14
<o:p></o:p></p>
<p class="MsoNormal">cagwhld9 129.57.235.14
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwspare 129.57.255.2<o:p></o:p></p>
<p class="MsoNormal">cagwhld91 129.57.235.15
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwlcls 129.57.255.8
<o:p></o:p></p>
<p class="MsoNormal">cagwlcls9 129.57.235.8
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwops 129.57.255.10
<o:p></o:p></p>
<p class="MsoNormal">cagwops9 129.57.235.10
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwrad 129.57.255.9
<o:p></o:p></p>
<p class="MsoNormal">cagwrad9 129.57.235.9
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwsite 129.57.255.6
<o:p></o:p></p>
<p class="MsoNormal">cagwsite9 129.57.235.6
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">cagwts 129.57.255.5
<o:p></o:p></p>
<p class="MsoNormal">cagwts9 129.57.235.5<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">opsns 129.57.255.21
<o:p></o:p></p>
<p class="MsoNormal">opsns9 129.57.235.21<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">devns 129.57.255.22
<o:p></o:p></p>
<p class="MsoNormal">devns9 129.57.235.22<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I hope this is clear. Let me know if you have any questions.<o:p></o:p></p>
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