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Questions tagged [cinder]

OpenStack project to provide “block storage as a service”.

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How to download volume backup from cinder as a file?

I have a volume backup in Cinder (Openstack). It's available. I want to download it, preferably, whithout creating a new volume/instance. Are there any way to do this?
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17 views

Cinder Db Sync Timeout Error in OpenStack Installation

I am trying to install OpenStack on CentOS 7 using PackStack. The commands I am using for installation are: sudo systemctl disable NetworkManager sudo systemctl stop NetworkManager sudo systemctl ...
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1answer
60 views

Need to acquire Cinder drivers

I am looking to integrate some NAS systems into Openstack, and am having some real problems. Reading Openstack and other documentation, I know that there exist Cinder drivers for the brands of NAS ...
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31 views

What is the best way to repair a situation where the nova database contains an attachment, but cinder doesn't?

In our OpenStack cloud there are a server with server_id and a volume with <volume_id>. We are in a situation where there is a volume that appears to be attached from the perspective of Nova, ...
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91 views

Unable to extend, create and attach openstack volume to an instance

I am running Ocata openstack on Ubuntu 16 and trying to extend an existing volume from 100GB to 250GB by following the link: https://docs.openstack.org/cinder/rocky/cli/cli-manage-volumes.html After ...
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1answer
19 views

OpenStack-Ansible: Troubleshooting instance not seeing attached volume

I've been working with OpenStack-Ansible 22.0.1 and have successfully brought up a controller node and a compute node with LVM storage that, on the surface, functions. I can now create an instance and ...
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33 views

2x Node OpenStack with additional Synology

Dave here I'm building a concept for a customer and they want to build a dev environment for their small business network. This is for pen testing, and as close as they can virtualized version of ...
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1answer
54 views

Replaced parameters “default_store” and “glance_store” breaks cooperation between cinder and glance in rocky release

I have a question related to parameters which becomes deprecated(stores and default_store). They're going to be removed from Stein, due to this info: https://docs.openstack.org/glance/stein/...
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129 views

Cinder volume service goes down while creating/deleting multiple volumes at the same time

Environment: Openstack Rocky Ceph Mimic openstack-cinder-13.0.8-0 Cinder volume status goes down while creating or deleting multiple volumes at the same time manually or while Rally test is running. ...
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1answer
36 views

LUKS encryption for mounted disk - how to decrypt cinder volume

I have a question about the possible decryption of LUKS volume. I'm testing currently barbican+cinder, but I'm just wondering if there is a way, to somehow decrypt my LUKS volume with payload ...
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100 views

Keystone scopes behavior is inconsistent between nova and cinder

I've been trying to update our OpenStack installation to use new options enforce_new_defaults and enforce_scope since in Wallaby for nova old policies will be deprecated. Those option seem to be ...
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1answer
14 views

Cinder: max_over_subscription_ratio ignored

I have set max_over_subscription_ratio = 1.0 in the [DEFAULT] section of cinder.conf, but when I do cinder get-pools --detail it shows [...] | max_over_subscription_ratio | 20.0 [...] What could be ...
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67 views

OpenStack Cinder Configuration for separate Storage network

I have OpenStack block storage running using LVMVolumeDriver. I want to use a dedicated network (10Ge) for storage, but the iSCSI connections are always established through the management address. I ...
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51 views

Openstack only use hdd storage if both hdd and ssd pools in FreeNAS are up at one time

The Openstack was recently deployed via Kolla-ansible to our physical servers. The FreeNAS server is also installed with HDD and SSD pools. The current problem is Openstack would use the HDD backend ...
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59 views

Delete snapshots in OpenStack (backend - NFS)

I have a problem. When I use NFS backand in OpenStack, i have a problem whith hard reboot instance after create and delete snapshot. Create snapshot. Create qcow2 file in NFS directory (volume-<...
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112 views

ensure cinder-api is available timeout

I can't install a new openstack-ansible (with ceph-ansible) cloud. The "setup-openstack" playbook gets an timeout at the task: os_cinder : Ensure cinder api is available timeout. It doesn't ...
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1answer
57 views

OenStack cinder failure

We have a cluster based on OpenStack Rocky, and it was working fine until we added some compute nodes and ceph. Now we have some issue with Cinder stability. Cinder is crashing during every rally test ...
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387 views

Create an instance on a particular volume type in OpenStack

I'm not able to figure out, how to easily boot new instance while creating new Cinder volume from Glance image on particular volume type. I know I can create cinder volume with specific volume type ...
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1answer
572 views

Why does ovirt VM using ceph disk stay in “waiting for launch” status

My setup comprises of ceph mimic (centos 7, setup with ceph-ansible), cinder/keystone combo on pike release, and ovirt 4.2.5.1. The external cinder provider is setup and I can create disks. When ...
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1answer
383 views

Openstack Cinder LVM configuration

I'm installing block storage node in my OpenStack infrastructure and couldn't understand how to properly configure filters in lvm.conf. I'm installing Ocata release using this guide, the LVM config ...
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1answer
752 views

OpenStack Redundant Ceph/Cinder Storage Architecture

Hello Serverfault community, I'm currently designing an OpenStack cluster. The part where I'm currently stuck is the Storage Architecture. I thought of building two redundant Ceph clusters in ...
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1answer
2k views

How to completely remove volumes/instances from OpenStack Kilo database

We're having some troubles deploying Kilo on a system with 3 controllers and 3 computes, through mirantis fuel 7.0. The problems involve creation and attaching of volumes, specially the ones stored ...
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0answers
2k views

iscsi not working after host reboot

I have a host that is acting as both an iscsi initiator and target. It's an OpenStack box that acts as both the storage node (cinder) and also as a compute node. There is also another compute nodes on ...
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1answer
626 views

Configuring Puppet to set up Cinder with GlusterFS

I've spent quite some time now attempting to configure Puppet so that it will setup Cinder to use GlusterFS as the backend, rather than the LVMISCSI backend, but I haven't had any luck. Versions: ...
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2k views

Openstack cannot attach volume to instance

I try to install block storage, but the volume cannot attach to instance. I'm pretty sure, I followed all instructions but compute node got error 2014-11-04 17:25:05.265 20896 ERROR oslo....
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867 views

Are /dev/disk/by-id symlinks unreliable?

I am provisioning a Nova server and Cinder volumes using a Heat template. In order to identify the Cinder volumes attached to my OpenStack server I would like to use the /dev/disk/by-id/... symlinks ...