```
mc admin tier add s3 source S3TIER --bucket s3bucket --prefix testprefix/ --use-aws-role
```

drive_workers  (int)       the number of workers per drive to heal a new disk replacement.
```

Example: The following settings will increase the heal operation speed by allowing healing operation to run without delay up to `100` concurrent requests, and the maximum delay between each heal operation is set to `300ms`.

```sh
~ mc admin config set alias/ heal max_sleep=300ms max_io=100
```

| :----------------------          | ------------------------------------------ | -------------------------------------  |
| `s3:ObjectCreated:Put`           | `s3:ObjectCreated:CompleteMultipartUpload` | `s3:ObjectAccessed:Head`               |
| `s3:ObjectCreated:Post`          | `s3:ObjectRemoved:Delete`                  | `s3:ObjectRemoved:DeleteMarkerCreated` |