21 lines
1.4 KiB
XML
21 lines
1.4 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"
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version="5.0" xml:id="section_ts_attach_vol_fail_not_JSON">
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<title>Nova volume attach error, not JSON serializable</title>
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<section xml:id="section_ts_attach_vol_fail_not_JSON_problem">
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<title>Problem</title>
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<para>When you attach a nova volume to a VM, you will see the error with stack trace in <filename>/var/log/nova/nova-volume.log</filename>. The JSON serializable issue is caused by an RPC response timeout.</para>
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</section>
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<section xml:id="section_ts_attach_vol_fail_not_JSON_solution">
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<title>Solution</title>
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<para>Make sure your iptables allow port 3260 comunication on the ISC controller. Run the
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following command.</para>
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<para>
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<screen><prompt>$</prompt> <userinput>iptables -I INPUT <Last Rule No> -p tcp --dport 3260 -j ACCEPT</userinput></screen></para>
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<para>If the port communication is properly configured, you can try running the following
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command.<screen><prompt>$</prompt> <userinput>service iptables stop</userinput></screen></para>
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<para>If you try these solutions and still get the RPC response time out, you probably have
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an ISC controller and KVM host incompatibility issue. Make sure they are
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compatible.</para></section></section>
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