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changeCloudMongoDbSecondaryCount

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Available in VPC

Change the number of secondary servers for a Cloud DB for MongoDB instance.

Syntax

The changeCloudMongoDbSecondaryCount syntax is as follows:

./ncloud vmongodb changeCloudMongoDbSecondaryCount \
    --cloudMongoDbInstanceNo <instance-no> \
    --memberServerCount <member-server-count> \
    --arbiterServerCount <arbiter-server-count> \
    [--arbiterProductCode <arbiter-product-code>] \
    [--regionCode <KR|SGN|JPN>] \
    [--output <json|xml>]

Options

This section describes the options available when running changeCloudMongoDbSecondaryCount.

Required options

The following options are required for changeCloudMongoDbSecondaryCount.

Options Type Required Description
--cloudMongoDbInstanceNo String Required Instance number of Cloud DB for MongoDB
--memberServerCount String Required Number of Cloud DB for MongoDB member servers to change to
  • 2 7
  • The sum of memberServerCount and arbiterServerCount must be between 3 and 7.
--arbiterServerCount String Required Number of Cloud DB for MongoDB arbiter servers to change to
  • 0 1
  • The sum of memberServerCount and arbiterServerCount must be between 3 and 7.

Optional options

These are the optional options for changeCloudMongoDbSecondaryCount. Options that are not specified will use their default values.

Options Type Required Description
--arbiterProductCode String Optional Cloud DB for MongoDB arbiter server product code
  • Default: Minimum specifications (in the order of memory, CPU).
  • When calling getCloudMongoDbProductList, set infraResourceDetailTypeCode to ARBIT to verify.

Common options

For information about the options common to all vmongodb subcommands, see Cloud DB for MongoDB (VPC) options.

Examples

If the request to change the number of secondary servers is successful, the configuration information for the Cloud DB for MongoDB instance and the details for each server instance are returned.

Command

The command example is as follows:

./ncloud vmongodb changeCloudMongoDbSecondaryCount \
    --cloudMongoDbInstanceNo 34567890 \
    --memberServerCount 3 \
    --arbiterServerCount 0 \
    --regionCode KR \
    --output json

Output

The output example is as follows:

{
  "changeCloudMongoDbSecondaryCountResponse": {
    "totalRows": 1,
    "cloudMongoDbInstanceList": [
      {
        "cloudMongoDbInstanceNo": "34567890",
        "cloudMongoDbServiceName": "mongodb-01",
        "cloudMongoDbInstanceStatusName": "settingUp",
        "cloudMongoDbInstanceStatus": {
          "code": "CREAT",
          "codeName": "CLOUD DATABASE (VPC) Created status"
        },
        "cloudMongoDbInstanceOperation": {
          "code": "SETUP",
          "codeName": "CLOUD DATABASE(VPC) Setup OP"
        },
        "generationCode": "G2",
        "clusterType": {
          "code": "SHARDED_CLUSTER",
          "codeName": "Sharding Cluster Type - Cloud DB for MongoDB (VPC)"
        },
        "engineVersion": "MongoDB 7.0.28 Community Edition",
        "licence": {
          "code": "OEM",
          "codeName": "License code - CLOUD DATABASE (VPC)"
        },
        "backupFileRetentionPeriod": 1,
        "backupTime": "02:00",
        "backupParallel": 1,
        "cloudMongoDbImageProductCode": "SW.VMGDB.OS.LNX64.ROCKY.0810.MNGDB.CE.B050",
        "accessControlGroupNoList": [
          "67890123"
        ],
        "shardCount": 2,
        "compress": {
          "code": "SNPP",
          "codeName": "Snappy"
        },
        "memberPort": 17017,
        "arbiterPort": 17017,
        "mongosPort": 17017,
        "configPort": 17017,
        "createDate": "2026-06-10T10:03:36+0900",
        "cloudMongoDbServerInstanceList": [
          {
            "cloudMongoDbServerInstanceNo": "34567895",
            "cloudMongoDbServerName": "mg-mongodb-ab001-98eb",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "AB",
              "codeName": "Arbiter"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:52+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0005.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3420232705,
            "cloudMongoDbProductCode": "SVR.VMGDB.ARBIT.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01001",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567896",
            "cloudMongoDbServerName": "mg-mongodb-ab002-98ec",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "AB",
              "codeName": "Arbiter"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:52+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0006.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3420175020,
            "cloudMongoDbProductCode": "SVR.VMGDB.ARBIT.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567899",
            "cloudMongoDbServerName": "mg-mongodb-c-98ef",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:22+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0009.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3422333613,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567900",
            "cloudMongoDbServerName": "mg-mongodb-c-98eg",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:01+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0010.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3422199810,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567901",
            "cloudMongoDbServerName": "mg-mongodb-c-98eh",
            "clusterRole": {
              "code": "CONFIG_SERVER",
              "codeName": "Config Server Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "C",
              "codeName": "Config Server"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:01+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0011.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3422239747,
            "cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "csmongodb-01",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567891",
            "cloudMongoDbServerName": "mg-mongodb-mb001-98e7",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:07+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0001.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3422213460,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01001",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567892",
            "cloudMongoDbServerName": "mg-mongodb-mb001-98e8",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:56+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0002.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3421944832,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01001",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567893",
            "cloudMongoDbServerName": "mg-mongodb-mb002-98e9",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:51+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0003.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3421603842,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567894",
            "cloudMongoDbServerName": "mg-mongodb-mb002-98ea",
            "clusterRole": {
              "code": "SHARD",
              "codeName": "Shard Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "MB",
              "codeName": "Member"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:23+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0004.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3421322242,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
            "replicaSetName": "mongodb-01002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567897",
            "cloudMongoDbServerName": "mg-mongodb-rt-98ed",
            "clusterRole": {
              "code": "MONGOS",
              "codeName": "Mongos Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "RT",
              "codeName": "Mongos"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:09:33+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0007.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3104783020,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOS.HICPU.C002.M004.NET.SSD.B050.G002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          },
          {
            "cloudMongoDbServerInstanceNo": "34567898",
            "cloudMongoDbServerName": "mg-mongodb-rt-98ee",
            "clusterRole": {
              "code": "MONGOS",
              "codeName": "Mongos Cluster Role - Cloud DB for MongoDB"
            },
            "cloudMongoDbServerInstanceStatusName": "running",
            "cloudMongoDbServerInstanceStatus": {
              "code": "RUN",
              "codeName": "CLOUD DATABASE (VPC) server Running status"
            },
            "cloudMongoDbServerInstanceOperation": {
              "code": "NOOP",
              "codeName": "CLOUD DATABASE (VPC) server null OP"
            },
            "cloudMongoDbServerRole": {
              "code": "RT",
              "codeName": "Mongos"
            },
            "regionCode": "KR",
            "vpcNo": "12345678",
            "subnetNo": "23456789",
            "createDate": "2026-06-10T10:03:36+0900",
            "uptime": "2026-06-10T10:10:21+0900",
            "zoneCode": "KR-1",
            "privateDomain": "mg0008.vpc.mg.naverncp.com",
            "memorySize": 4294967296,
            "cpuCount": 2,
            "dataStorageSize": 10737418240,
            "usedDataStorageSize": 3104669693,
            "cloudMongoDbProductCode": "SVR.VMGDB.MNGOS.HICPU.C002.M004.NET.SSD.B050.G002",
            "dataStorageType": {
              "code": "SSD",
              "codeName": "SSD"
            }
          }
        ]
      }
    ],
    "requestId": "f6a7b8c9-d0e1-2345-fabc-678901234567",
    "returnCode": "0",
    "returnMessage": "success"
  }
}
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