操作步骤
步骤1：修改gcRm_vc1.xml 其中对应nodeip 内容为待修改节点IP：
GBase 8a MPP Cluster 产品手册
4 管理员指南
文档版本953（2022-09-15）
南大通用数据技术股份有限公司
286
$ cp gcChangeInfo.xml gcRm_vc1.xml
$ vi gcRm_vc1.xml
$ cat gcRm_vc1.xml
步骤2：将缩容节点从对应vc 中删除
$ gcadmin rmnodes gcRm_vc1.xml vc1
gcadmin remove nodes ...
flush statemachine success
gcadmin rmnodes from vc [vc1] success
$ gcadmin
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
|
----------------------------------------------------------------
| coordinator4 | 172.168.83.15 |
OPEN
|
OPEN
|
0
|
----------------------------------------------------------------
=============================================
|
GBASE VIRTUAL CLUSTER INFORMATION
|
=============================================
|
VcName
| DistributionId |
comment
|
---------------------------------------------
|
vc1
|
5
|
|
---------------------------------------------
|
vc2
|
2
|
|
---------------------------------------------
==============================================================
|
GBASE CLUSTER FREE DATA NODE INFORMATION
|
==============================================================
| NodeName
|
IpAddress
| gnode | syncserver | DataState |
--------------------------------------------------------------
| FreeNode1 | 172.168.83.15 | OPEN
|
OPEN
|
0
|
--------------------------------------------------------------