Switch Backup Target on Kolla-ansible
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.
#check current mount point
[[email protected] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.8G 0 7.8G 0% /dev/shm
tmpfs 7.8G 26M 7.8G 1% /run
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup
/dev/mapper/cl-root 280G 12G 269G 5% /
/dev/sda1 976M 197M 713M 22% /boot
192.168.1.34:/mnt/tvault/42436 2.5T 1005G 1.5T 41% /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
#Stop triliovault_datamover
[[email protected] ~]# docker stop triliovault_datamover
triliovault_datamover
[[email protected] ~]#
#Delete triliovault_datamover
[[email protected] ~]# docker rm triliovault_datamover
triliovault_datamover
[[email protected] ~]#
#unmount mount point
[[email protected] ~]# umount /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
#check mount point is unmounted successfully
[[email protected] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.8G 0 7.8G 0% /dev/shm
tmpfs 7.8G 26M 7.8G 1% /run
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup
/dev/mapper/cl-root 280G 12G 269G 5% /
/dev/sda1 976M 197M 713M 22% /boot
[[email protected] ~]#
#Delete mounted dir from compute node
[[email protected] trilio]# rm -rf /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
Edit the globals.yml file to contain the new backup target.
[email protected]:~# kolla-ansible -i multinode deploy
##Check that all Containers are up and running
#Controller node
[email protected]:~# docker ps -a | grep trilio
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
3be25d3819ac trilio/ubuntu-binary-trilio-horizon-plugin:4.1.36-ussuri "dumb-init --single-…" 4 days ago Up 4 days horizon
#Compute node
[email protected]:~# docker ps -a | grep trilio
bf52face23fb trilio/ubuntu-binary-trilio-datamover:4.1.36-ussuri "dumb-init --single-…" 3 days ago Up 3 days trilio-datamover
## Verify the backup target has been changed successfully
# In case of switch to NFS
[[email protected] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.8G 0 7.8G 0% /dev/shm
tmpfs 7.8G 26M 7.8G 1% /run
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup
/dev/mapper/cl-root 280G 12G 269G 5% /
/dev/sda1 976M 197M 713M 22% /boot
192.168.1.34:/mnt/tvault/42436 2.5T 1005G 1.5T 41% /var/trilio/triliovault-mounts/MTkyLjE2OC4xLjM0Oi9tbnQvdHZhdWx0LzQyNDM2
#In case of switch to S3
[[email protected] ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.8G 0 7.8G 0% /dev/shm
tmpfs 7.8G 34M 7.8G 1% /run
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup
/dev/mapper/cl-root 280G 12G 269G 5% /
/dev/sda1 976M 197M 713M 22% /boot
Trilio - - 0.0K - /var/trilio/triliovault-mounts
##Reverify in the triliovault_datamover containers
[[email protected] ~]# docker exec -it triliovault_datamover bash
(triliovault-datamover)[[email protected] /]$ df -h
Filesystem Size Used Avail Use% Mounted on
overlay 280G 12G 269G 5% /
tmpfs 7.8G 0 7.8G 0% /sys/fs/cgroup
devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs 7.8G 0 7.8G 0% /dev/shm
/dev/mapper/cl-root 280G 12G 269G 5% /etc/iscsi
tmpfs 6.3G 0 6.3G 0% /var/triliovault/tmpfs
Trilio - - 0.0K - /var/trilio/triliovault-mounts