[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Dave Walker]

** Changed in: nova/kilo
   Status: Fix Released => Fix Committed

** Changed in: nova/kilo
Milestone: 2015.1.2 => 2015.1.3

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Dave Walker]

** Changed in: nova/kilo
   Status: Fix Committed => Fix Released

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Thierry Carrez]

** Changed in: nova
Milestone: liberty-3 => 12.0.0

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Launchpad Bug Tracker]

This bug was fixed in the package nova - 1:2015.1.1-0ubuntu2

---
nova (1:2015.1.1-0ubuntu2) vivid; urgency=medium

  [ Corey Bryant ]
  * d/rules: Prevent dh_python2 from guessing dependencies.

  [ Liang Chen ]
  * d/p/not-check-disk-size.patch: Fix booting from volume error
when flavor disk too small (LP: #1457517)

 -- Corey Bryant   Thu, 13 Aug 2015 15:13:43
-0400

** Changed in: nova (Ubuntu Vivid)
   Status: Fix Committed => Fix Released

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Chuck Short]

** Changed in: nova/kilo
   Status: New => Fix Released

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Chuck Short]

** Also affects: nova/kilo
   Importance: Undecided
   Status: New

** Changed in: nova/kilo
Milestone: None => 2015.1.2

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Billy Olsen]

I was able to verify this bug fix today by the following:

1. Setup a vivid-kilo openstack cloud
2. Create a 5G volume from a cirros image
3. Boot an m1.tiny instance using the 5G volume created as the boot source, 
   --> verify command is rejected due to size issue
4. Log into nova-cloud-controller and upgrade nova-* packages to version 
1:2015.1.1-0ubuntu2 from the proposed pocket.
5. Boot an m1.tiny instance using the %G volume created as the boot source
  --> verify command is accepted and instance boots


** Tags removed: verification-needed
** Tags added: verification-done

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Serge Hallyn]

Pushed the debdiff from comment #16 to New sru queue - thanks.

** Changed in: nova (Ubuntu Vivid)
   Importance: Undecided => High

** Changed in: nova (Ubuntu)
   Importance: Undecided => High

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Serge Hallyn]

This fix is in the current wily package, so marking fix released there.

** Changed in: nova (Ubuntu)
   Status: Confirmed => Fix Released

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Brian Murray]

Hello Favyen, or anyone else affected,

Accepted nova into vivid-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/nova/1:2015.1.1-0ubuntu2 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: nova (Ubuntu Vivid)
   Status: New => Fix Committed

** Tags added: verification-needed

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Billy Olsen]

Adding debdiff, which is also available in the ubuntu vivid upload queue
(merged into lp:~ubuntu-server-dev/nova/vivid)

** Patch added: "vivid (kilo) debdiff"
   
https://bugs.launchpad.net/nova/+bug/1457517/+attachment/4460096/+files/lp1457517-vivid.debdiff

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Chuck Short]

** Also affects: nova (Ubuntu Vivid)
   Importance: Undecided
   Status: New

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Billy Olsen]

** Branch linked: lp:~billy-olsen/nova/kilo+lp1457517

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Thierry Carrez]

** Changed in: nova
   Status: Fix Committed => Fix Released

** Changed in: nova
Milestone: None => liberty-3

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[OpenStack Infra]

Reviewed:  https://review.openstack.org/213308
Committed: 
https://git.openstack.org/cgit/openstack/nova/commit/?id=8794b938dcb983b7c918718807c2396cb255b4ce
Submitter: Jenkins
Branch:stable/kilo

commit 8794b938dcb983b7c918718807c2396cb255b4ce
Author: Matthew Booth 
Date:   Wed Jul 22 14:56:52 2015 +0100

Don't check flavor disk size when booting from volume

When creating a volume from an image, cinder copies the image metadata
into volume properties. When booting from the volume, we read this
metadata from the volume and use it as image metadata once again.

While fixing the check against min_ram,
change I861a78b5c7efa71e4bf7206d388b8d0d8048c78e introduced a
regression which prevents a user from booting a volume which is larger
than the flavor's disk. As we are not creating this disk, this check
does not make sense. Similarly, it checks the image metadata's
min_disk against the flavor disk size, which is not being used.

This change leaves the image metadata check unaltered when creating a
flavor disk. When booting from a volume, we check min_disk from image
metadata against the actual size of the volume. We don't check the
volume size at all. The check against min_ram is retained unaltered.

Closes-Bug: #1457517
Closes-Bug: #1459491
Closes-Bug: #1466305
Change-Id: I264493172da20b664df571e32876030246c2a87c
(cherry picked from commit 642c986f0636d52a9ba279c87e25082b4aa9b3b8)


** Tags added: in-stable-kilo

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: nova (Ubuntu)
   Status: New = Confirmed

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Title:
  Unable to boot from volume when flavor disk too small

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[Bug 1457517] Re: Unable to boot from volume when flavor disk too small

[Liang Chen]

** Description changed:

+ [Impact]
+ 
+  * Without the backport, booting from volume requires flavor disk size
+ larger than volume size, which is wrong. This patch skips flavor disk
+ size checking when booting from volume.
+ 
+ [Test Case]
+ 
+  * 1. create a bootable volume
+2. boot from this bootable volume with a flavor that has disk size smaller 
than the volume size
+3. error should be reported complaining disk size too small
+4. apply this patch
+5. boot from that bootable volume with a flavor that has disk size smaller 
than the volume size again
+6. boot should succeed
+ 
+ [Regression Potential]
+ 
+  * none
+ 
+ 
  Version: 1:2015.1.0-0ubuntu1~cloud0 on Ubuntu 14.04
  
  I attempt to boot an instance from a volume:
  
  nova boot --nic net-id=[NET ID] --flavor v.512mb --block-device
  source=volume,dest=volume,id=[VOLUME
  ID],bus=virtio,device=vda,bootindex=0,shutdown=preserve vm
  
  This results in nova-api raising a FlavorDiskTooSmall exception in the
  _check_requested_image function in compute/api.py. However, according
  to [1], the root disk limit should not apply to volumes.
  
  [1] http://docs.openstack.org/admin-guide-cloud/content/customize-
  flavors.html
  
  Log (first line is debug output I added showing that it's looking at the
  image that the volume was created from):
  
  2015-05-21 10:28:00.586 25835 INFO nova.compute.api 
[req-1fb882c7-07ae-4c2b-86bd-3d174602d0ae f438b80d215c42efb7508c59dc80940c 
8341c85ad9ae49408fa25074adba0480 - - -] image: {'min_disk': 0, 'status': 
'active', 'min_ram': 0, 'properties': {u'container_format': u'bare', 
u'min_ram': u'0', u'disk_format': u'qcow2', u'image_name': u'Ubuntu 14.04 
64-bit', u'image_id': u'cf0dffef-30ef-4032-add0-516e88048d85', 
u'libvirt_cpu_mode': u'host-passthrough', u'checksum': 
u'76a965427d2866f006ddd2aac66ed5b9', u'min_disk': u'0', u'size': u'255524864'}, 
'size': 21474836480}
  2015-05-21 10:28:00.587 25835 INFO nova.api.openstack.wsgi 
[req-1fb882c7-07ae-4c2b-86bd-3d174602d0ae f438b80d215c42efb7508c59dc80940c 
8341c85ad9ae49408fa25074adba0480 - - -] HTTP exception thrown: Flavor's disk is 
too small for requested image.
  
  Temporary solution: I have special flavor for volume-backed instances so I 
just set the root disk on those to 0, but this doesn't work if volume are used 
on other flavors.
  Reproduce: create flavor with 1 GB root disk size, then try to boot an 
instance from a volume created from an image that is larger than 1 GB.

** Also affects: nova (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: nova (Ubuntu)
 Assignee: (unassigned) = Liang Chen (cbjchen)

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