[CLOUDSTACK-5578] KVM - Network down - When the host looses network connectivity , reboot stuck while unmounting primary

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Won't Fix
• Affects Version/s: 4.2.0
• Fix Version/s: 4.5.0
• Component/s: Management Server
• Security Level: Public (Anyone can view this level - this is the default.)
• Environment: Build from 4.3
• Assignee: Kishan
• Reporter: Sangeetha Hariharan
• Created: 20/Dec/13 00:32
• Updated: 18/Nov/14 05:02
• Resolved: 18/Nov/14 05:02

Description

KVM - Network down - When the host looses network connectivity , it is not able to fence itself.

Steps to reproduce the problem:

Set up - Advanced zone with 2 Rhel 6.3 hosts in cluster.
Deploy ~10 Vms.

Simulate network disconnect on the host ( ifdown em1)

Host gets marked as "Down" and all the Vms gets HA-ed to the other host.

On the KVM host which lost connectivity , attempt to shutdown itself fails.
It was not able to umount the primary store.

Issue Links

• is duplicated by: CLOUDSTACK-5429 KVM - Primary store down/Network Failure - Hosts attempt to reboot becasue of primary store being down hangs.
• mentioned in: Page Loading...