[Starlingx-discuss] [StarlingX] Force deletion in Cinder

[Fang, Liang A]

Hi Brent

The bug reported to horizon is:
When user try to remove the attachment by click the button "Manage Attachments" for the orphan volume, GUI just shows: "Error: Unable to retrieve volume information. ", and cannot open the "Manage Attachments" dialog.

Regards
Liang
From: Rowsell, Brent [mailto:Brent.Rowsell at windriver.com]
Sent: Thursday, November 22, 2018 10:58 AM
To: Fang, Liang A <liang.a.fang at intel.com>; Li, Xiaoyan <xiaoyan.li at intel.com>; 'starlingx-discuss at lists.starlingx.io' <starlingx-discuss at lists.starlingx.io>
Subject: RE: [Starlingx-discuss] [StarlingX] Force deletion in Cinder

Hi Liang,

Can you explain the relationship to horizon.
The patches address an issue where cinder still believes the volume is attached to a VM but the VM no longer exists.
II am not seeing the horizon connection here.

Brent

From: Fang, Liang A [mailto:liang.a.fang at intel.com]
Sent: Wednesday, November 21, 2018 8:26 PM
To: Li, Xiaoyan <xiaoyan.li at intel.com<mailto:xiaoyan.li at intel.com>>; 'starlingx-discuss at lists.starlingx.io' <starlingx-discuss at lists.starlingx.io<mailto:starlingx-discuss at lists.starlingx.io>>
Subject: Re: [Starlingx-discuss] [StarlingX] Force deletion in Cinder

Hi Lisa

The core Eric Harney from redhat has already abandoned the review of this patch.
In the meanwhile, a bug for horizon was created: https://bugs.launchpad.net/horizon/+bug/1794661

Regards
Liang
From: Li, Xiaoyan [mailto:xiaoyan.li at intel.com]
Sent: Thursday, November 22, 2018 8:50 AM
To: 'starlingx-discuss at lists.starlingx.io' <starlingx-discuss at lists.starlingx.io<mailto:starlingx-discuss at lists.starlingx.io>>
Subject: [Starlingx-discuss] [StarlingX] Force deletion in Cinder

Sorry, updated the subject.

_____________________________________________
From: Li, Xiaoyan
Sent: Thursday, November 22, 2018 8:49 AM
To: 'starlingx-discuss at lists.starlingx.io' <starlingx-discuss at lists.starlingx.io<mailto:starlingx-discuss at lists.starlingx.io>>
Subject: Force deletion in Cinder


Hi,

This email is to discuss whether we can abandon 0009-Pike-Rebase-Enhanced-force-deletion.patch in StarlingX/Cinder.
This patch resolves the problem that a volume is attached to a non-existed VM and can't be deleted.

I talked with Openstack/Cinder community. As Cinder uses new attach/detach workflow, now this problem doesn't exist.
Users can use "cinder attachment-list" to list all the attachments, and then delete them. After that, the volume can be deleted.
Fang Liang also did such test, it works.

So I think we can abandon this patch. Any objections?

Best wishes
Lisa



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