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Experts on block_device_mapping

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Recent questions tagged block_device_mapping

0 votes
0 responses 29 views

Hi all, I need to move an instance from one openstack environment to another so I tried: 1. Create an image from an instance 2. Save the image to a file 3. Copy create a new instance on another openstack using the new image file My problem ...

asked Sep 22, 2017 in openstack by Manuel_Sopena_Balles (600 points)   1 3 6
0 votes
12 responses 26 views

Nova stores the output of the Cinder os-initialize_connection info API in the Nova block_device_mappings table, and uses that later for making volume connections. This data can get out of whack or need to be refreshed, like if your ceph ...

asked Sep 14, 2017 in openstack-operators by mriedemos_at_gmail.c (15,720 points)   2 5 10
0 votes
1 response 11 views

When we started the doc-migration projects we knew that moving all of the content around would break a lot of external links. We said we would deal with it if we had time at the end of the cycle. We have put the changes into place to allow ...

asked Aug 1, 2017 in openstack-dev by Doug_Hellmann (87,520 points)   3 4 11
0 votes
18 responses 26 views

Hi Devs, I want your opinion about bug: When user passes incorrect formatted UUID, volume UUID like: 11111111-2222-4444-5555--666666666666(please note double hyphen) for attaching a volume to an ...

asked Apr 24, 2017 in openstack-dev by Jadhav,_Pooja (120 points)  
0 votes
2 responses 41 views

Hi All, As I was working on "Check destination_type when booting with bdm provided": and addressing reviewers comments, I find out that the current source_type=image, destination_type=local seems ...

asked Feb 8, 2017 in openstack-dev by Zhenyu_Zheng (2,800 points)   6 6
0 votes
13 responses 9 views

Unfortunately the device tag support in the API was broken in the old Microversion, which thanks to Kevin Zheng to find out that. Actually there are two bugs, just all of them are about device ...

asked Jan 24, 2017 in openstack-dev by Alex_Xu (8,960 points)   1 3 3
0 votes
4 responses 35 views

Hi all, I met the resource not found error when I'm creating a database instance. The instance stays on build status and turns to error status after timeout. I know trove is not ready for neuton. Is there a work around for this issue ? ...

asked Jan 19, 2017 in openstack-dev by Wang_Sen (280 points)  
0 votes
1 response 374 views

We are mirthful to announce the release of: nova 14.0.0: Cloud computing fabric controller This release is part of the newton release series. For more details, please see below. Changes in nova ...

asked Oct 6, 2016 in openstack-announce by Doug_Hellmann (87,520 points)   3 4 11
0 votes
0 responses 29 views

We are glad to announce the release of: senlin 2.0.0: OpenStack Clustering This release is part of the newton release series. Please report issues through launchpad: For more details, please see below. ...

asked Oct 6, 2016 in openstack-announce by no-reply_at_openstac (33,960 points)   2 14 32
0 votes
5 responses 7 views

Hi Tong et al, Attached are results for VIO 2.5. Note that Tong and I discussed the issues that we found on IRC and he has a patch up here that could use your reviews to make the workload code more portable: ...

asked Sep 7, 2016 in defcore-committee by Mark_Voelker (4,000 points)   2 3
2 x  
0 votes
1 response 297 views

Hi, all I booted a new instance from a volume and then attached an other volume to it, and created image for the instance whos block_device_mapping like this: | block_device_mapping | [{"guest_format": null, "boot_index": 0, ...

asked Jul 12, 2016 in openstack-dev by zehua (120 points)   1 1
0 votes
34 responses 5,123 views

I'm trying my newly installed Openstack system and I'm getting problem in starting my first instance. ----- s n i p ----- Build of instance 5193c2d9-0aaf-4f84-b108-f6884d97b571 aborted: Block Device Mapping is Invalid. File ...

asked Jun 16, 2016 in openstack by Turbo_Fredriksson (8,980 points)   7 13 18
0 votes
2 responses 9 views

The purpose of this mail is to share what I have learned about the various data structures used by Nova for representing block devices. I compiled this for my own use, but I hope it might be useful for others, and that other might point out ...

asked Jun 16, 2016 in openstack-dev by Matthew_Booth (4,680 points)   3 6 10
0 votes
4 responses 617 views

Sorry for the crosspost, but this looks like a bug (and from what I've seen on the 'Net, it is), but because I have very little knowledge in OS, it could just as well be my inability to configure it correctly.. I'm trying to launch my first ...

asked Jun 13, 2016 in openstack by Turbo_Fredriksson (8,980 points)   7 13 18
0 votes
17 responses 21 views

TL;DR: Automatic closing of 185 bug reports which are older than 18 months in the week R-13. Skipping specific bug reports is possible. A bug report comment explains the reasons. I'd like to get rid of more clutter in our bug list to make ...

asked May 23, 2016 in openstack-dev by (3,220 points)   3 6
0 votes
0 responses 44 views

Hi all: about I submitted my solution VM startup or reboot failed when volume backend of ceph mon ip address changed. And this bug also happens when vm ...

asked Apr 1, 2016 in openstack-dev by (160 points)  
0 votes
9 responses 6 views

Hello, it's another topic about glance v2 adoption in Nova, but it's different from the others. I want to declare that there is a set of commits, that make Nova version agnostic and allow to work with both glance apis. The idea of the ...

asked Dec 24, 2015 in openstack-dev by Mikhail_Fedosin (1,180 points)   5
3 x  
0 votes
1 response 21 views

Dear OpenStack-users, I just installed my first multi-node OS-setup with Ceph as my storage backend. After configuring cinder, nova and glance as described in the Ceph-HowTo (, there ...

asked Dec 6, 2015 in openstack by openstack-list_at_do (180 points)  
0 votes
0 responses 11 views

Hi all, We have recently meet this problem: for large scale deployment, command can be sent concurrently, and for several times, when an instance was asked to be delete during it is launching, we observed that the vm_state and task_state of ...

asked Nov 3, 2015 in openstack-dev by Zhenyu_Zheng (2,800 points)   6 6
0 votes
1 response 7 views

Hi All, I'm wondering what the "no_device" flag is used for in the block device mappings. I had a dig around in the code but couldn't figure out why it is there. The name suggests an obvious meaning, but I've learnt not to guess too much ...

asked Sep 8, 2015 in openstack-dev by Murray,_Paul_(HP_Clo (1,080 points)   1 2 4