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It is possible to exclude individual items from being backed up, even if they match the resource/namespace/label selectors defined in the backup spec. To do this, label the item as follows:
kubectl label -n <ITEM_NAMESPACE> <RESOURCE>/<NAME> velero.io/exclude-from-backup=true
To backup resources of specific Kind in a specific order, use option –ordered-resources to specify a mapping Kinds to an ordered list of specific resources of that Kind. Resource names are separated by commas and their names are in format ‘namespace/resourcename’. For cluster scope resource, simply use resource name. Key-value pairs in the mapping are separated by semi-colon. Kind name is in plural form.
velero backup create backupName --include-cluster-resources=true --ordered-resources 'pods=ns1/pod1,ns1/pod2;persistentvolumes=pv4,pv8' --include-namespaces=ns1 velero backup create backupName --ordered-resources 'statefulsets=ns1/sts1,ns1/sts0' --include-namespaces=ns1
The schedule operation allows you to create a backup of your data at a specified time, defined by a Cron expression.
velero schedule create NAME --schedule="* * * * *" [flags]
Cron schedules use the following format.
# ┌───────────── minute (0 - 59) # │ ┌───────────── hour (0 - 23) # │ │ ┌───────────── day of the month (1 - 31) # │ │ │ ┌───────────── month (1 - 12) # │ │ │ │ ┌───────────── day of the week (0 - 6) (Sunday to Saturday; # │ │ │ │ │ 7 is also Sunday on some systems) # │ │ │ │ │ # │ │ │ │ │ # * * * * *
For example, the command below creates a backup that runs every day at 3am.
velero schedule create example-schedule --schedule="0 3 * * *"
This command will create the backup,
example-schedule, within Velero, but the backup will not be taken until the next scheduled time, 3am. Backups created by a schedule are saved with the name
<SCHEDULE NAME>-<TIMESTAMP>, where
<TIMESTAMP> is formatted as YYYYMMDDhhmmss. For a full list of available configuration flags use the Velero CLI help command.
velero schedule create --help
Once you create the scheduled backup, you can then trigger it manually using the
velero backup command.
velero backup create --from-schedule example-schedule
This command will immediately trigger a new backup based on your template for
example-schedule. This will not affect the backup schedule, and another backup will trigger at the scheduled time.
By default, Velero will paginate the LIST API call for each resource type in the Kubernetes API when collecting items into a backup. The
--client-page-size flag for the Velero server configures the size of each page.
Depending on the cluster’s scale, tuning the page size can improve backup performance. You can experiment with higher values, noting their impact on the relevant
apiserver_request_duration_seconds_* metrics from the Kubernetes apiserver.
Pagination can be entirely disabled by setting
0. This will request all items in a single unpaginated LIST call.