openstack/openstack-manuals
Code Issues Proposed changes

[user-guide] instance_name length limitation

Browse Source 
Instance names longer than 63 characters get
truncated when turned into hostnames,
as longer names cause dnsmasq to ignore
the entry and not hand out a DHCP address.

Change-Id: I21e222f2e340e755e5a10774e27b54af6ae1850d
Partial-bug: 1415705
This commit is contained in:
OlgaGusarenko 2015-02-19 18:02:09 +02:00
parent 46962ea4e4
commit 416707074e
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
doc/user-guide/section_cli_nova_boot.xml
View File

@ -187,6 +187,15 @@
<screen><prompt>$</prompt> <userinput>nova boot --flavor <replaceable>FLAVOR_ID</replaceable> --image <replaceable>IMAGE_ID</replaceable> --key-name <replaceable>KEY_NAME</replaceable> \
--user-data <replaceable>USER_DATA_FILE</replaceable> --security-groups <replaceable>SEC_GROUP_NAME</replaceable> --meta <replaceable>KEY=VALUE</replaceable> \
<replaceable>INSTANCE_NAME</replaceable></userinput></screen>
<important>
<para>If you boot an instance with an <replaceable>INSTANCE_NAME</replaceable>
greater than 63 characters, Compute truncates it automatically
when turning it into a hostname to ensure the correct work of
<literal>dnsmasq</literal>. The corresponding warning is
written into the <filename>nova-network.log</filename> file.</para>
</important>
<para>The following command launches the
<literal>MyCirrosServer</literal> instance
with the <literal>m1.small</literal> flavor (ID of