Daily Archives: May 2, 2014

Two minor pitfalls when upgrading Havana stable

When upgrading an OpenStack compute or l3 agent node from 1:2013.2 to 1:2013.2.3 on Ubuntu precise 12.04.4: The nova-compute version 1:2013.2 is expected to fail with /var/log/nova/nova-compute.log IncompatibleObjectVersion: Version 1.9 of Instance is not supported when interfaced with a 1:2013.2.3. … Continue reading

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Reseting an instance {power,vm,task}_state in Havana

Sometime, after an hypervisor crash or nova-compute error, an OpenStack instance can be left in a state that cannot be conveniently fixed with nova reset-state. $ nova list +————————————–+—————-+———+… | ID | Name | Status | +————————————–+—————-+———+… | ca9496e9-0bd2-4734-9cf9-eb4e264628f7 | … Continue reading

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