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(Updated Aug. 5, 2013, 6:07 p.m.) Review request for cloudstack, edison su and Wido den Hollander. Bugs: CLOUDSTACK-2729 Repository: cloudstack-git Description ------- The storage pool issue (CLOUDSTACK-2729) is because of a bug in libvirt (https://bugzilla.redhat.com/show_bug.cgi?id=977706) We need to prevent deleting a volume when refreshing the pool. This patch use a simple file lock to implement it. PS: I have tested another file lock similar to Read/Write file lock, but it was very unstable. Diffs (updated) ----- plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java b8a9f0f Diff: https://reviews.apache.org/r/13223/diff/ Testing ------- Applied on 4.0.2 and 4.0.1 Testing On 4.0.1 From 20,June 3 nodes, create a VM on each node every 15 minutes. Destroy the VMs 5 minutes later. expunge.inteval = 600 (10 minutes), expunge.worker = 2 Testing On 4.0.2 From 01,July 2 nodes, create two VMs on each node every 5 minutes. Destroy the VMs 4 minutes later. expunge.inteval = 600 (10 minutes), expunge.worker = 2 Thanks, Wei Zhou
