mirror of
https://github.com/cubefs/cubefs.git
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216 lines
6.5 KiB
Markdown
Executable File
216 lines
6.5 KiB
Markdown
Executable File
# DataNode Management
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## Add
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``` bash
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curl -v "http://192.168.0.11:17010/dataNode/add?addr=192.168.0.33:17310&zoneName=default"
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```
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Adds a new data node in the corresponding region.
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|--------------------------------------------------------------|
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| addr | string | Address for interaction between data node and master |
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| zoneName | string | Specifies the region. If empty, the default value is default |
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## Query
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``` bash
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curl -v "http://10.196.59.198:17010/dataNode/get?addr=10.196.59.201:17310" | python -m json.tool
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```
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Displays details about the data node, including the address of the data node, total capacity, used space, etc.
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|------------------------------------------------------|
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| addr | string | Address for interaction between data node and master |
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Response Example
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``` json
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{
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"TotalWeight": 39666212700160,
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"UsedWeight": 2438143586304,
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"AvailableSpace": 37228069113856,
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"ID": 2,
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"Zone": "zone1",
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"Addr": "10.196.59.201:17310",
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"ReportTime": "2018-12-06T10:56:38.881784447+08:00",
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"IsActive": true
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"UsageRatio": 0.06146650815226848,
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"SelectTimes": 5,
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"Carry": 1.0655859145960367,
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"DataPartitionReports": {},
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"DataPartitionCount": 21,
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"NodeSetID": 3,
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"PersistenceDataPartitions": {},
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"BadDisks": {}
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}
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```
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## Decommission Node
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``` bash
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curl -v "http://192.168.0.11:17010/dataNode/decommission?addr=192.168.0.33:17310&weight=2"
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```
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Removes a data node from the cluster. All data shards on the data node will be asynchronously migrated to other available data nodes in the cluster.
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|------------------------------------------------------|
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| addr | string | Address for interaction between data node and master |
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| weight | int | Decommission weight, default is 2 |
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## Get Disk
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``` bash
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curl -v "http://192.168.0.11:17320/disks"
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```
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Gets disk information, including disk path, space usage, disk status, etc.
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## Get Node Partition
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``` bash
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curl -v "http://192.168.0.11:17320/partitions"
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```
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## Disk Decommission
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```bash
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curl -v "http://192.168.0.11:17010/disk/decommission?addr=192.168.0.12:17310&disk=/home/service/var/data1&weight=2"
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```
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|--------------------------------------------------|
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| addr | string | The node address of the disk to be taken offline |
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| disk | string | Faulty disk address |
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| count | int | Number of dp to take offline each time, default is 0, which represents all dp offline. |
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| diskDisable | bool | Whether to disable the disk, i.e., prohibit creating new data partitions on the offline disks. Default is true |
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| decommissionType | int | Offline type, default is 0, which represents manual offline; 1 indicates automatic offline |
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| weight | int | Decommission weight, default is 2 |
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## Migration
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```bash
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curl -v "http://10.196.59.198:17010/dataNode/migrate?srcAddr=src&targetAddr=dst&count=3"
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```
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Parameter List
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| Parameter | Type | Description |
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|------------|--------|----------------------------------------------------------------|
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| srcAddr | string | The source data node address to be migrated out |
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| targetAddr | string | The destination data node address for migration |
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| count | int | The number of data partitions to migrate, optional, default 50 |
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## Set Disk Decommission Control Speed
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``` bash
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curl -v "http://192.168.0.11:17320/admin/updateDecommissionLimit?decommissionLimit=10"
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```
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Parameter List
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| Parameter | Type | Description |
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|-------------------|------|-----------------------------------------------|
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| decommissionLimit | int | Number of concurrent DPs to be decommissioned |
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::: tip Note
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New interface in v3.2.1
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:::
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## Query Disk Decommission Control Speed
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``` bash
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curl -v "http://192.168.0.11:17320/admin/queryDecommissionLimit"
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```
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::: tip Note
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New interface in v3.2.1
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:::
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## Query Disk Decommission Progress
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``` bash
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curl -v "http://192.168.0.11:17320/disk/queryDecommissionProgress?addr=192.168.0.12:17310&disk=/home/service/var/data1"
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```
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|--------------------------------------------------------------------|
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| addr | string | Address of the node where the disk to be decommissioned is located |
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| disk | string | Address of the disk to be decommissioned |
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::: tip Note
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New interface in v3.2.1
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:::
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## Query Node Decommission Progress
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``` bash
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curl -v "http://192.168.0.11:17010/dataNode/queryDecommissionProgress?addr=192.168.0.33:17310"
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```
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|------------------------------------------------------|
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| addr | string | Address for interaction between data node and master |
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::: tip Note
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New interface in v3.2.1
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:::
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## Cancel Disk Decommission
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``` bash
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curl -v "http://192.168.0.11:17320/disk/pauseDecommission?addr=192.168.0.12:17310&disk=/home/service/var/data1"
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```
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|--------------------------------------------------------------------|
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| addr | string | Address of the node where the disk to be decommissioned is located |
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| disk | string | Address of the disk to be decommissioned |
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::: tip Note
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New interface in v3.4.0
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:::
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## Cancel Node Decommission
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``` bash
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curl -v "http://192.168.0.11:17010/dataNode/cancelDecommission?addr=192.168.0.33:17310"
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```
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Parameter List
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| Parameter | Type | Description |
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|-----------|--------|------------------------------------------------------|
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| addr | string | Address for data node |
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::: tip Note
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New interface in v3.2.1
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:::
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## Query all offline disks
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``` bash
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curl -v "http://192.168.0.11:17010/disk/queryAllDecommissionDisk"
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```
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::: tip Note
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New interface in v3.4.0
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::: |
