Switch Backup Target on Kolla-ansible

Unmount old mount point
The first step is to remove the datamover container and to unmount the old mounts.
This is necessary to make sure, that the new datamover container with the new backend target is not getting any interference from the old backup target.
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#check current mount point
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[[email protected] ~]# df -h
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Filesystem                      Size  Used Avail Use% Mounted on
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devtmpfs                        7.8G     0  7.8G   0% /dev
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tmpfs                           7.8G     0  7.8G   0% /dev/shm
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tmpfs                           7.8G   26M  7.8G   1% /run
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tmpfs                           7.8G     0  7.8G   0% /sys/fs/cgroup
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/dev/mapper/cl-root             280G   12G  269G   5% /
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/dev/sda1                       976M  197M  713M  22% /boot
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192.168.1.34:/mnt/tvault/42436  2.5T 1005G  1.5T  41% /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
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​
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#Stop triliovault_datamover
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[[email protected] ~]# docker stop triliovault_datamover
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triliovault_datamover
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[[email protected] ~]#
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​
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#Delete triliovault_datamover
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[[email protected] ~]# docker rm triliovault_datamover
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triliovault_datamover
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[[email protected] ~]#
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​
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#unmount mount point
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[[email protected] ~]# umount /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
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​
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#check mount point is unmounted successfully 
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[[email protected] ~]# df -h
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Filesystem           Size  Used Avail Use% Mounted on
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devtmpfs             7.8G     0  7.8G   0% /dev
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tmpfs                7.8G     0  7.8G   0% /dev/shm
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tmpfs                7.8G   26M  7.8G   1% /run
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tmpfs                7.8G     0  7.8G   0% /sys/fs/cgroup
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/dev/mapper/cl-root  280G   12G  269G   5% /
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/dev/sda1            976M  197M  713M  22% /boot
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[[email protected] ~]#
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​
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#Delete mounted dir from compute node
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[[email protected] trilio]# rm -rf /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
Copied!
Update globals.yml
Edit the globals.yml file to contain the new backup target.
Follow the installation documentation to learn about the globals.yml TrilioVault variables.
Deploy TrilioVault components with new backup target
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[email protected]:~# kolla-ansible -i multinode deploy
Copied!
Verify the successful change in backup target
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##Check that all Containers are up and running
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#Controller node
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[email protected]:~# docker ps -a | grep trilio
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583b8d42ab42        trilio/ubuntu-binary-trilio-datamover-api:4.1.36-ussuri    "dumb-init --single-…"   3 days ago          Up 3 days                               openstack-nova-api-triliodata-plugin
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3be25d3819ac        trilio/ubuntu-binary-trilio-horizon-plugin:4.1.36-ussuri   "dumb-init --single-…"   4 days ago          Up 4 days                               horizon
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​
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#Compute node
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[email protected]:~# docker ps -a | grep trilio
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bf52face23fb        trilio/ubuntu-binary-trilio-datamover:4.1.36-ussuri    "dumb-init --single-…"   3 days ago          Up 3 days                               trilio-datamover
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​
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## Verify the backup target has been changed successfully
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# In case of switch to NFS
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[[email protected] ~]# df -h
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Filesystem                      Size  Used Avail Use% Mounted on
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devtmpfs                        7.8G     0  7.8G   0% /dev
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tmpfs                           7.8G     0  7.8G   0% /dev/shm
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tmpfs                           7.8G   26M  7.8G   1% /run
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tmpfs                           7.8G     0  7.8G   0% /sys/fs/cgroup
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/dev/mapper/cl-root             280G   12G  269G   5% /
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/dev/sda1                       976M  197M  713M  22% /boot
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192.168.1.34:/mnt/tvault/42436  2.5T 1005G  1.5T  41% /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
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​
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#In case of switch to S3
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[[email protected] ~]# df -h
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Filesystem           Size  Used Avail Use% Mounted on
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devtmpfs             7.8G     0  7.8G   0% /dev
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tmpfs                7.8G     0  7.8G   0% /dev/shm
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tmpfs                7.8G   34M  7.8G   1% /run
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tmpfs                7.8G     0  7.8G   0% /sys/fs/cgroup
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/dev/mapper/cl-root  280G   12G  269G   5% /
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/dev/sda1            976M  197M  713M  22% /boot
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TrilioVault             -     -  0.0K    - /var/trilio/triliovault-mounts
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​
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##Reverify in the triliovault_datamover containers
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[[email protected] ~]# docker exec -it triliovault_datamover bash
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(triliovault-datamover)[[email protected] /]$ df -h
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Filesystem           Size  Used Avail Use% Mounted on
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overlay              280G   12G  269G   5% /
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tmpfs                7.8G     0  7.8G   0% /sys/fs/cgroup
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devtmpfs             7.8G     0  7.8G   0% /dev
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tmpfs                7.8G     0  7.8G   0% /dev/shm
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/dev/mapper/cl-root  280G   12G  269G   5% /etc/iscsi
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tmpfs                6.3G     0  6.3G   0% /var/triliovault/tmpfs
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TrilioVault             -     -  0.0K    - /var/trilio/triliovault-mounts
Copied!
Reconfigure the TrilioVault Appliance
Follow the documentation to reconfigure the TrilioVault appliance with the new backup target.
​

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Switch NFS Backing file

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Contents

Unmount old mount point

Update globals.yml

Deploy TrilioVault components with new backup target

Verify the successful change in backup target

Reconfigure the TrilioVault Appliance