RelationVolumeGroupModel

Name	Description	Schema
auth optional	권한 Example : `READ`	enum (READ, READ_WRITE, UNKNOWN)
id optional	볼륨 그룹 id Example : `c9ecae8b973b425c81c3817893cd8063`	string
name optional	볼륨명 Example : `bs-01`	string
purpose optional	볼륨 그룹 구분 Example : `ORG`	enum (ORG, REPL, RECOVERY)
region optional	리전 Example : `kr-west1`	string