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Bug 1245931

Summary:	Arbitrary default quota on new disk and existing disks
Product:	Red Hat Enterprise Virtualization Manager	Reporter:	Dudi Maroshi <dmaroshi>
Component:	ovirt-engine	Assignee:	Nobody <nobody>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	3.6.0	CC:	amureini, dfediuck, ecohen, gklein, lpeer, lsurette, rbalakri, Rhev-m-bugs, yeylon
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	sla
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-08-11 11:39:53 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	SLA	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Dudi Maroshi 2015-07-23 07:05:34 UTC

Description of problem:
When quota is enabled in data center.
We need to assign a default quota to all existing disks.
We need to assign a default quota to all new disks.
Currently the default is an arbitrary quota selection.


Version-Release number of selected component (if applicable):
RHEV 3.6

Steps to Reproduce:
1. Disable quota on data center
2. Create vm1 with disk vm1_disk1
3  Create vm2 with disk vm2_disk1
4. Enable quota on data center
5. Create quota named A-q
6. Create quota named b-q
7. Create quota named --q
8. Open disk vm2_disk1 for edit
9. Notice the selected quota for vm2_disk1
10. Create disk vm1_disk2 on vm1
11. Notice the default selected quota on vm1_disk2
12. Create quota named Z--
13. Create disk vm1_disk3 on vm1
14. Notice the default selected quota on vm1_disk3


Actual results:
Default quota for new disk is not consistent.

Expected results:
For new disks with quota.
  Empty mandatory quota field, or defined default.
For existing disks (prior to quota enablement)
  Assign a defined default quota to all existing disks.
  This is dangerous, if enabling/disabling quota few times. What will happen to existing disks' quota. Need a defined policy.

Comment 1 Doron Fediuck 2015-07-28 10:48:28 UTC

The concept of default quota was considered in the past and ruled out.
We should be capable of dealing with missing assignments in a gracious way
without the need to assign something where it is not needed.