Available in VPC
Change the number of shards for a Cloud DB for MongoDB instance.
Syntax
The changeCloudMongoDbShardCount syntax is as follows:
./ncloud vmongodb changeCloudMongoDbShardCount \
--cloudMongoDbInstanceNo <instance-no> \
--shardCount <shard-count> \
[--regionCode <KR|SGN|JPN>] \
[--output <json|xml>]
Options
This section describes the options available when running changeCloudMongoDbShardCount.
Required options
The following options are required for changeCloudMongoDbShardCount.
| Options | Type | Required | Description |
|---|---|---|---|
--cloudMongoDbInstanceNo |
String | Required | Instance number of Cloud DB for MongoDB |
--shardCount |
String | Required | Number of shards of the Cloud DB for MongoDB instance to change to
|
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 shards 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 changeCloudMongoDbShardCount \
--cloudMongoDbInstanceNo 34567890 \
--shardCount 3 \
--regionCode KR \
--output json
Output
The output example is as follows:
{
"changeCloudMongoDbShardCountResponse": {
"totalRows": 1,
"cloudMongoDbInstanceList": [
{
"cloudMongoDbInstanceNo": "34567890",
"cloudMongoDbServiceName": "mongodb-01",
"cloudMongoDbInstanceStatusName": "running",
"cloudMongoDbInstanceStatus": {
"code": "CREAT",
"codeName": "CLOUD DATABASE (VPC) Created status"
},
"cloudMongoDbInstanceOperation": {
"code": "NULL",
"codeName": "CLOUD DATABASE(VPC) Null 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": 3,
"compress": {
"code": "SNPP",
"codeName": "Snappy"
},
"memberPort": 17017,
"mongosPort": 17017,
"configPort": 17017,
"createDate": "2026-06-10T10:03:36+0900",
"cloudMongoDbServerInstanceList": [
{
"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": 3425341440,
"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": 3425206270,
"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": 3425206270,
"cloudMongoDbProductCode": "SVR.VMGDB.CFGSV.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "csmongodb-01",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerInstanceNo": "34567905",
"cloudMongoDbServerName": "mg-mongodb-c-98ey",
"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": "2026-06-10T11:10:04+0900",
"uptime": "2026-06-10T11:15:39+0900",
"zoneCode": "KR-1",
"privateDomain": "mg0015.vpc.mg.naverncp.com",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"usedDataStorageSize": 3421806590,
"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": 3425910780,
"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": 3425382400,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "mongodb-01001",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerInstanceNo": "34567902",
"cloudMongoDbServerName": "mg-mongodb-mb001-98ek",
"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": "2026-06-10T10:44:51+0900",
"uptime": "2026-06-10T10:50:22+0900",
"zoneCode": "KR-1",
"privateDomain": "mg0012.vpc.mg.naverncp.com",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"usedDataStorageSize": 3423395840,
"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": 3424268290,
"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": 3424571390,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "mongodb-01002",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerInstanceNo": "34567903",
"cloudMongoDbServerName": "mg-mongodb-mb002-98el",
"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": "2026-06-10T10:44:51+0900",
"uptime": "2026-06-10T10:50:03+0900",
"zoneCode": "KR-1",
"privateDomain": "mg0013.vpc.mg.naverncp.com",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"usedDataStorageSize": 3422187520,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "mongodb-01002",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerName": "mg-mongodb-mb003-98f5",
"clusterRole": {
"code": "SHARD",
"codeName": "Shard Cluster Role - Cloud DB for MongoDB"
},
"cloudMongoDbServerInstanceStatusName": "creating",
"cloudMongoDbServerInstanceStatus": {
"code": "PEND",
"codeName": "CLOUD DATABASE (VPC) server Pending status"
},
"cloudMongoDbServerInstanceOperation": {
"code": "CREAT",
"codeName": "CLOUD DATABASE (VPC) server Create OP"
},
"cloudMongoDbServerRole": {
"code": "MB",
"codeName": "Member"
},
"regionCode": "KR",
"vpcNo": "12345678",
"subnetNo": "23456789",
"createDate": "2026-06-10T11:25:54+0900",
"uptime": "2026-06-10T11:15:39+0900",
"zoneCode": "KR-1",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "mongodb-01003",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerName": "mg-mongodb-mb003-98f6",
"clusterRole": {
"code": "SHARD",
"codeName": "Shard Cluster Role - Cloud DB for MongoDB"
},
"cloudMongoDbServerInstanceStatusName": "creating",
"cloudMongoDbServerInstanceStatus": {
"code": "PEND",
"codeName": "CLOUD DATABASE (VPC) server Pending status"
},
"cloudMongoDbServerInstanceOperation": {
"code": "CREAT",
"codeName": "CLOUD DATABASE (VPC) server Create OP"
},
"cloudMongoDbServerRole": {
"code": "MB",
"codeName": "Member"
},
"regionCode": "KR",
"vpcNo": "12345678",
"subnetNo": "23456789",
"createDate": "2026-06-10T11:25:54+0900",
"uptime": "2026-06-10T11:15:39+0900",
"zoneCode": "KR-1",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "mongodb-01003",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerName": "mg-mongodb-mb003-98f7",
"clusterRole": {
"code": "SHARD",
"codeName": "Shard Cluster Role - Cloud DB for MongoDB"
},
"cloudMongoDbServerInstanceStatusName": "creating",
"cloudMongoDbServerInstanceStatus": {
"code": "PEND",
"codeName": "CLOUD DATABASE (VPC) server Pending status"
},
"cloudMongoDbServerInstanceOperation": {
"code": "CREAT",
"codeName": "CLOUD DATABASE (VPC) server Create OP"
},
"cloudMongoDbServerRole": {
"code": "MB",
"codeName": "Member"
},
"regionCode": "KR",
"vpcNo": "12345678",
"subnetNo": "23456789",
"createDate": "2026-06-10T11:25:54+0900",
"uptime": "2026-06-10T11:15:39+0900",
"zoneCode": "KR-1",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOD.HICPU.C002.M004.NET.SSD.B050.G002",
"replicaSetName": "mongodb-01003",
"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": 3106938880,
"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": 3106037760,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOS.HICPU.C002.M004.NET.SSD.B050.G002",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
},
{
"cloudMongoDbServerInstanceNo": "34567904",
"cloudMongoDbServerName": "mg-mongodb-rt-98ew",
"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": "2026-06-10T10:58:57+0900",
"uptime": "2026-06-10T11:04:10+0900",
"zoneCode": "KR-1",
"privateDomain": "mg0014.vpc.mg.naverncp.com",
"memorySize": 4294967296,
"cpuCount": 2,
"dataStorageSize": 10737418240,
"usedDataStorageSize": 3105062910,
"cloudMongoDbProductCode": "SVR.VMGDB.MNGOS.HICPU.C002.M004.NET.SSD.B050.G002",
"dataStorageType": {
"code": "SSD",
"codeName": "SSD"
}
}
]
}
],
"requestId": "e6f7a8b9-c0d1-2345-fabc-345678901234",
"returnCode": "0",
"returnMessage": "success"
}
}