功能
显示集群节点信息。
GBase 8a MPP Cluster 产品手册
4 管理员指南
文档版本953(2022-04-10)
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197
注意
当集群有一半或一半以上Coordinator 节点离线时,执行gcadmin 命
令将卡住不返回,发现集群中有Coordinator 节点离线时,请相关信
息确认故障类型及时修复;
参数c 与vc vcname 只能输入一个,同时输入会报错。
语法
gcadmin showcluster [c | vc vcname] [d] [f]
表4- 30 参数说明
参数名称
说明
c
仅显示集群coordinator 节点信息。
vc vcname
指定要查看信息的虚拟集群名字。
d
仅显示集群data 节点信息。
f
按照xml 格式显示集群节点信息。
示例
示例1:显示所有节点信息。
$ gcadmin showcluster
CLUSTER STATE:
ACTIVE
===========================================================
=====
|
GBASE COORDINATOR CLUSTER INFORMATION
|
===========================================================
=====
|
NodeName
|
IpAddress
| gcware | gcluster | DataState |
----------------------------------------------------------------
| coordinator1 | 172.168.83.11 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
| coordinator2 | 172.168.83.12 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
| coordinator3 | 172.168.83.13 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
===============================================
|
GBASE VIRTUAL CLUSTER INFORMATION
|
===============================================
|
VcName
| DistributionId |
comment
|
-----------------------------------------------
|
vc1
|
1
| vc1comments |
-----------------------------------------------
|
vc2
|
2
| vc2comments |
GBase 8a MPP Cluster 产品手册
4 管理员指南
文档版本953(2022-04-10)
南大通用数据技术股份有限公司
198
-----------------------------------------------
2 virtual cluster: vc1, vc2
3 coordinator node
0 free data node
示例2:显示VC1 所有节点信息。
$ gcadmin showcluster vc vc1
CLUSTER STATE:
ACTIVE
VIRTUAL CLUSTER MODE:
NORMAL
===============================================
|
GBASE VIRTUAL CLUSTER INFORMATION
|
===============================================
|
VcName
| DistributionId |
comment
|
-----------------------------------------------
|
vc1
|
1
| vc1comments |
---------------------------------
===========================================================
=======
|
VIRTUAL CLUSTER DATA NODE INFORMATION
|
===========================================================
=======
|NodeName|
IpAddress
|DistributionId|gnode|syncserver|DataState|
------------------------------------------------------------------
| node1
|172.168.83.11|
1
|OPEN |
OPEN
|
0
|
------------------------------------------------------------------
| node2
|172.168.83.12|
1
|OPEN |
OPEN
|
0
|
------------------------------------------------------------------
2 data node
示例3:仅显示coordinator 节点信息。
$ gcadmin showcluster c
CLUSTER STATE:
ACTIVE
CLUSTER MODE:
NORMAL
===========================================================
=====
|
GBASE COORDINATOR CLUSTER INFORMATION
|
===========================================================
=====
|
NodeName
|
IpAddress
| gcware | gcluster | DataState |
----------------------------------------------------------------
| coordinator1 | 172.168.83.11 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
| coordinator2 | 172.168.83.12 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
| coordinator3 | 172.168.83.13 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
GBase 8a MPP Cluster 产品手册
4 管理员指南
文档版本953(2022-04-10)
南大通用数据技术股份有限公司
199
3 coordinator node
示例4:显示vc2 的data 节点信息。
$ gcadmin showcluster vc vc2 d
CLUSTER STATE:
ACTIVE
VIRTUAL CLUSTER MODE:
NORMAL
===============================================
|
GBASE VIRTUAL CLUSTER INFORMATION
|
===============================================
|
VcName
| DistributionId |
comment
|
-----------------------------------------------
|
vc2
|
2
| vc2comments |
-----------------------------------------------
===========================================================
=======
|
VIRTUAL CLUSTER DATA NODE INFORMATION
|
===========================================================
=======
|NodeName|
IpAddress
|DistributionId|gnode|syncserver|DataState|
------------------------------------------------------------------
| node1
|172.168.83.13|
2
|OPEN |
OPEN
|
0
|
------------------------------------------------------------------
| node2
|172.168.83.14|
2
|OPEN |
OPEN
|
0
|
------------------------------------------------------------------
2 data node
示例5:按照xml 格式显示data 节点信息。
$ gcadmin showcluster vc vc2 d f
GBase 8a MPP Cluster 产品手册
4 管理员指南
文档版本953(2022-04-10)
南大通用数据技术股份有限公司
200