slavkap opened a new issue #5531:
URL: https://github.com/apache/cloudstack/issues/5531
##### ISSUE TYPE
<!-- Pick one below and delete the rest -->
* Bug Report
##### COMPONENT NAME
<!--
-->
~~~
Ceph storage
~~~
##### CLOUDSTACK VERSION
<!--
-->
~~~
4.15.3.0/main but may exist on previous versions
~~~
##### OS / ENVIRONMENT
<!--
-->
CentOS 7
KVM hypervisors
##### SUMMARY
<!-- Explain the problem/feature briefly -->
After deploying a VM with a `DATADISK` (both volumes - ROOT/DATADISK are on
Ceph) the `DATADISK` gets `QCOW2` format
```
select id, pool_type, storage_provider_name from storage_pool where id=203;
+-----+-----------+-----------------------+
| id | pool_type | storage_provider_name |
+-----+-----------+-----------------------+
| 203 | RBD | DefaultPrimary |
+-----+-----------+-----------------------+
1 row in set (0.00 sec)
SELECT format, pool_id, name, instance_id FROM cloud.volumes where
instance_id=5360;
+--------+---------+-----------+-------------+
| format | pool_id | name | instance_id |
+--------+---------+-----------+-------------+
| RAW | 203 | ROOT-5360 | 5360 |
| QCOW2 | 203 | DATA-5360 | 5360 |
+--------+---------+-----------+-------------+
2 rows in set (0.00 sec)
```
##### STEPS TO REPRODUCE
~~~
Deploy a virtual machine with a `datadisk` on Ceph
~~~
##### EXPECTED RESULTS
<!-- What did you expect to happen when running the steps above? -->
~~~
The format of the volume should be in `RAW` format
~~~
##### ACTUAL RESULTS
<!-- What actually happened? -->
<!-- Paste verbatim command output between quotes below -->
~~~
in the database, the volume's format is `QCOW2`
~~~
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