Hmc on Details... https://www.deepreflect.net/tags/hmc/ Recent content in Hmc on Details... Hugo en-US Copyright © 2003 - 2026 Leonardo Rizzi Tue, 30 Jun 2026 03:28:29 +0200 AIX - DLPAR connection lost to HMC https://www.deepreflect.net/2011/09/21/aix-dlpar-connection-lost-to-hmc/ Wed, 21 Sep 2011 02:23:30 +0000 http://blog.deepreflect.net/?p=1031 <p>Sometime during AIX migration/alt_clone or HMC upgrade, it can happen that RMC ID get lost or duplicated, the the rsct process is unable to re stabilize the connection.</p> <p>You can reset the key and restart that service as follows:</p> <p>Reset RMC unique ID:</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span># /usr/sbin/rsct/install/bin/recfgct </span></span><span style="display:flex;"><span># /usr/sbin/rsct/bin/rmcctrl -z </span></span><span style="display:flex;"><span># /usr/sbin/rsct/bin/rmcctrl -A </span></span></code></pre></div><p>Then you can check the rmc status:</p> <p><code># /usr/sbin/rsct/bin/rmcdomainstatus -s ctrmc</code></p> Sometime during AIX migration/alt_clone or HMC upgrade, it can happen that RMC ID get lost or duplicated, the the rsct process is unable to re stabilize the connection.

You can reset the key and restart that service as follows:

Reset RMC unique ID:

# /usr/sbin/rsct/install/bin/recfgct
# /usr/sbin/rsct/bin/rmcctrl -z
# /usr/sbin/rsct/bin/rmcctrl -A

Then you can check the rmc status:

# /usr/sbin/rsct/bin/rmcdomainstatus -s ctrmc

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