openstack/openstack-manuals
Code Issues Proposed changes
Files
f779dece392924d976143fdf3d910f0ba6a6f8a5
openstack-manuals/doc/admin-guide-cloud/source/ts-duplicate-3par-host.rst
yangyapeng f779dece39 Adding IQN to the glossary 
Abbreviation of IQN is not easy to understand,
add a description about it.Document containing
the glossary, for example:

doc/admin-guide-cloud/source/ts_non_existent_host.rst
doc/admin-guide-cloud/source/ts_cinder_config.rst
doc/admin-guide-cloud/source/ts-duplicate-3par-host.rst
doc/admin-guide-cloud/source/blockstorage-manage-volumes.rst

Change-Id: Ia9588d4f2e081f2b7d8f6a63286c9fdbf60f6a96
2015-10-14 16:50:30 -04:00

929 B
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Duplicate 3PAR host

Problem

This error may be caused by a volume being exported outside of OpenStack using a host name different from the system name that OpenStack expects. This error could be displayed with the IQN if the host was exported using iSCSI:

Duplicate3PARHost: 3PAR Host already exists: Host wwn 50014380242B9750 \
already used by host cld4b5ubuntuW(id = 68. The hostname must be called\
'cld4b5ubuntu'.

Solution

Change the 3PAR host name to match the one that OpenStack expects. The 3PAR host constructed by the driver uses just the local hostname, not the fully qualified domain name (FQDN) of the compute host. For example, if the FQDN was myhost.example.com, just myhost would be used as the 3PAR hostname. IP addresses are not allowed as host names on the 3PAR storage server.