| Parameter | Purpose |
| backup_gcs_credential_file |
Denotes the full path of the json file of the Google service account (downloaded from the Google Developer Console in step 3) |
| backup_gcs_bucket |
GCS bucket name to use for backup. Please refer to the official bucket naming guidelines. |
| backup_gcs_driver | Used for selecting the Google backup driver |
| backup_gcs_project_id |
Denotes the project ID where the backup bucket will be created |
| backup_gcs_object_size |
The size in bytes of GCS backup objects.
default: 52428800 bytes |
| backup_gcs_block_size |
The change tracking size for incremental backup, in bytes.
backup_gcs_object_size has to be a multiple of backup_gcs_block_size
default: 327678 bytes |
| backup_gcs_user_agent | http user-agent string for the gcs API |
| backup_gcs_reader_chunk_size | Chunk size for GCS object downloads in bytes.
default: 2097152 bytes |
| backup_gcs_writer_chunk_size |
Chunk size for GCS object uploads in bytes. Pass in a value of -1 to cause the file to be uploaded as a single chunk.
default: 2097152 bytes |
| backup_gcs_num_retries/td> | Number of times to retry transfers.
default: 3 |
| backup_gcs_bucket_location | Location of GCS bucket.
default: ‘US’ |
| backup_gcs_storage_class | Storage class of GCS bucket.
default: ‘NEARLINE’ |
| backup_gcs_retry_error_codes | List of GCS error codes for which to initiate a retry.
default: [‘429’] |
| backup_gcs_enable_progress_timer | Enable or Disable the timer to send the periodic progress notifications to Ceilometer when backing up the volume to the GCS backend storage. The default value is True to enable the timer.
default: True |
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