Maniphest T106146

Get instance block-migration working reliably; script and document
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	Andrew
	Jul 17 2015, 3:12 PM

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Description

Right now block migration sort of works, but...

migrated instances lose their copy-on-write aspects and get huge
post-migrated instances can be suspended re-compressed and resumed, but suspend/resume is suspect
overprovisioning rules are ignored for live-migration which means we can't actually migrate to an already-partly-full server

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		Status	Subtype	Assigned	Task
		Resolved		yuvipanda	T105720 Labs team reliability goal for Q1 2015/16
		Resolved		Andrew	T106144 Make an evacuation plan for labs instances
		Declined		None	T106146 Get instance block-migration working reliably; script and document
		Resolved		Andrew	T90821 Upgrade labs cluster to Trusty
		Resolved		Andrew	T90822 Upgrade Labs Compute nodes to Trusty
		Resolved		Andrew	T90823 Upgrade labs network node to trusty
		Resolved		Andrew	T99701 Setup/Install/Deploy labnet1002
		Resolved		RobH	T98740 labnet1002
		Resolved		• Cmjohnson	T99702 relocate WMF3153 (now labnet1002) from row C to B
		Resolved		• Cmjohnson	T102131 check labnet1002 for pci slot space
		Resolved		Andrew	T109329 Try to fail over to labnet1002
		Resolved		Andrew	T109653 move nova api to labnet1002
		Resolved		Andrew	T90824 Upgrade labs controller to Trusty
		Resolved		Andrew	T98226 Glance image files are only stored on virt1000
		Resolved		Andrew	T99738 Investigate kernel issues on labvirt** hosts

Event Timeline

Andrew created this task.Jul 17 2015, 3:12 PM

Andrew raised the priority of this task from to Needs Triage.

Andrew updated the task description. (Show Details)

Andrew added a project: Cloud-Services.

Andrew added a subtask: T90821: Upgrade labs cluster to Trusty.

Andrew added subscribers: Andrew, Aklapper, yuvipanda and 2 others.

Andrew added a subtask: T99738: Investigate kernel issues on labvirt** hosts.Jul 17 2015, 3:14 PM

Andrew closed subtask T99738: Investigate kernel issues on labvirt** hosts as Resolved.Aug 24 2015, 2:53 PM

Andrew closed subtask T90821: Upgrade labs cluster to Trusty as Resolved.Aug 24 2015, 2:55 PM

• chasemp triaged this task as High priority.Nov 30 2015, 4:25 PM

• chasemp subscribed.

• Phabricator_maintenance removed a subscriber: yuvipanda.Jun 7 2017, 6:48 PM

@nadrew is this worth thinking about still or will @JHedden's CEPH project make the issue moot?

Dzahn unsubscribed.Jan 6 2020, 9:02 PM

AIUI this is irrelevant on Ceph.

Restricted Application added a project: cloud-services-team. · View Herald TranscriptJun 4 2024, 4:12 PM

In T106146#9860611, @taavi wrote:

AIUI this is irrelevant on Ceph.

agreed