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How to Backup Instance?

 

Hi, all.

I run command: nova --version 1.0 backup <server> <name> <daily|weekly>
<rotation>.

for example)

# nova --version 1.0 backup 30 "backup_test" daily 3

So, novaclient make a snapshot image and upload to glance server.

# nova image-list
a# nova image-list
+----+---------------------+--------+
| ID |         Name        | Status |
+----+---------------------+--------+
| 10 | ubuntu              | ACTIVE |
| 11 | vmlinuz-ubuntu-apm  | ACTIVE |
| 12 | initrd-ubuntu-apm   | ACTIVE |
| 13 | ubuntu-apm          | ACTIVE |
| 14 | backup_test        | ACTIVE |

but, When a day is gone, I can't find new backup instance anymore.

How can Nova make backup instance periodically?