BlockStorageGroupRequest

Name	Description	Schema	Default
role_type required	Role type Example : `OS`	enum (OS, DATA, ARCHIVE, TEMP, BACKUP)
size_gb required	Size in GB Example : `104` Minimum : `16` Maximum : `5120`	integer
volume_type optional	Volume type Example : `SSD`	enum (SSD, SSD_KMS, HDD, HDD_KMS)	SSD