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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"VM stopped while Migration with Maintenance Mode (KVM)","articleBody":"\u003c!--\r\nVerify first that your issue/request is not already reported on GitHub.\r\nAlso test if the latest release and master branch are affected too.\r\nAlways add information AFTER of these HTML comments, but no need to delete the comments.\r\n--\u003e\r\n\r\n##### ISSUE TYPE\r\n\u003c!-- Pick one below and delete the rest --\u003e\r\n * Bug Report\r\n \r\n##### COMPONENT NAME\r\n\u003c!--\r\nCategorize the issue, e.g. API, VR, VPN, UI, etc.\r\n--\u003e\r\n~~~\r\nManagement Server\r\n~~~\r\n\r\n##### CLOUDSTACK VERSION\r\n\u003c!--\r\nNew line separated list of affected versions, commit ID for issues on master branch.\r\n--\u003e\r\n\r\n~~~\r\nMaster but maybe 4.8 upwards\r\n~~~\r\n\r\n##### CONFIGURATION\r\n\u003c!--\r\nInformation about the configuration if relevant, e.g. basic network, advanced networking, etc.  N/A otherwise\r\n--\u003e\r\n\r\n\r\n##### OS / ENVIRONMENT\r\n\u003c!--\r\nInformation about the environment if relevant, N/A otherwise\r\n--\u003e\r\nKVM with QEMU 2.12 and libwirtd 5.0.0, i think other other versions are also affected because not always there is the problem.\r\n\r\n##### SUMMARY\r\n\u003c!-- Explain the problem/feature briefly --\u003e\r\n\r\n\r\n##### STEPS TO REPRODUCE\r\n\u003c!--\r\nFor bugs, show exactly how to reproduce the problem, using a minimal test-case. Use Screenshots if accurate.\r\n--\u003e\r\n1. Set a Host in Maintenance Mode\r\n2. VM Migration is started\r\n2. If a VM cant migrate it will hard stopped\r\n\r\nafter @andrijapanicsb started a discussion on mailing list \"VMs crashing/stopped during live migration?\"  i opened this issue request to track down the problems.\r\n\r\n@ustcweizhou gave some interesting hints to this problem.\r\n\r\ni picked up specially your point three. i think its most interesting to track this down.\r\n\r\n\u003e 3. vm is stopped due to some cloudstack bugs. for example, when we put a\r\nhost to maintenance, the vm will be stopped if (1) no other host is Up in\r\nsame cluster, or (2) vm migration fails and no retry in cloudstack, or (3)\r\nmultiple vms are migrated to same destination at the same time but there is\r\nno enough memory on the destination.\r\n##### EXPECTED RESULTS\r\n\u003c!-- What did you expect to happen when running the steps above? --\u003e\r\n\r\n~~~\r\nThe expected result should be to stop the maintenance mode but dont switch off the virtual machines\r\n~~~\r\n\r\n##### ACTUAL RESULTS\r\n\u003c!-- What actually happened? --\u003e\r\nvirtual machines will be hard stopped\r\n\r\n","author":{"url":"https://github.com/svenvogel","@type":"Person","name":"svenvogel"},"datePublished":"2019-11-26T21:56:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":25},"url":"https://github.com/3720/cloudstack/issues/3720"}