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添加主机到集群


检查新增主机符合 主机配置要求 。

[root@vertica1 ~]# cd /opt/vertica/sbin/
[root@vertica1 sbin]#  ./install_vertica --add-hosts 192.168.56.203
Vertica Analytic Database 10.0.0-0 Installation Tool


>> Validating options...


Mapping hostnames in --add-hosts (-A) to addresses...

>> Starting installation tasks.
>> Getting system information for cluster (this may take a while)...

Enter password for root@192.168.56.203 (3 attempts left):
Default shell on nodes:
192.168.56.203 /bin/bash
192.168.56.201 /bin/bash
192.168.56.202 /bin/bash

>> Validating software versions (rpm or deb)...


>> Beginning new cluster creation...

successfully backed up admintools.conf on 192.168.56.203
successfully backed up admintools.conf on 192.168.56.201
successfully backed up admintools.conf on 192.168.56.202

>> Creating or validating DB Admin user/group...

Successful on hosts (3): 192.168.56.203 192.168.56.201 192.168.56.202
    Provided DB Admin account details: user = dbadmin, group = verticadba, home = /home/dbadmin
    Creating group... Group already exists
    Validating group... Okay
    Creating user... User already exists
    Validating user... Okay


>> Validating node and cluster prerequisites...

System prerequisites passed.  Threshold = WARN


>> Establishing DB Admin SSH connectivity...

Installing/Repairing SSH keys for dbadmin


>> Setting up each node and modifying cluster...

Creating Vertica Data Directory...

Updating agent...
Creating node node0002 definition for host 192.168.56.203
... Done

>> Sending new cluster configuration to all nodes...

Starting or restarting agent...

>> Completing installation...

Running upgrade logic
Installation complete.

Please evaluate your hardware using Vertica's validation tools:
    https://www.vertica.com/docs/10.0.x/HTML/index.htm#cshid=VALSCRIPT

To create a database:
  1. Logout and login as dbadmin. (see note below)
  2. Run /opt/vertica/bin/adminTools as dbadmin
  3. Select Create Database from the Configuration Menu

  Note: Installation may have made configuration changes to dbadmin
  that do not take effect until the next session (logout and login).

To add or remove hosts, select Cluster Management from the Advanced Menu.

从集群中移除主机


如果移除节点将会导致数据库当前K-safety级别下降，则不能移除。

如果必须要移除，需要首先降低数据库的K-safety级别。 变更K-safety level

在要移除的主机上，必须已经 移除数据库的节点 。否则不能移除该主机

[root@vertica1 ~]# cd /opt/vertica/sbin/
[root@vertica1 sbin]#  ./install_vertica --remove-hosts 192.168.56.203
Vertica Analytic Database 10.0.0-0 Installation Tool


>> Validating options...


Mapping hostnames in --remove-hosts (-R) to addresses...

>> Starting installation tasks.
>> Getting system information for cluster (this may take a while)...

Enter password for root@192.168.56.202 (3 attempts left):
Default shell on nodes:
192.168.56.202 /bin/bash
192.168.56.201 /bin/bash

>> Validating software versions (rpm or deb)...


>> Beginning new cluster creation...

successfully backed up admintools.conf on 192.168.56.202
successfully backed up admintools.conf on 192.168.56.201

>> Creating or validating DB Admin user/group...

Successful on hosts (2): 192.168.56.202 192.168.56.201
    Provided DB Admin account details: user = dbadmin, group = verticadba, home = /home/dbadmin
    Creating group... Group already exists
    Validating group... Okay
    Creating user... User already exists
    Validating user... Okay


>> Validating node and cluster prerequisites...

Skipping prerequiste checks because no hosts are being added

>> Establishing DB Admin SSH connectivity...

Installing/Repairing SSH keys for dbadmin


>> Setting up each node and modifying cluster...

Creating Vertica Data Directory...

Removing node node0003 definition
... Done
Updating agent...

>> Sending new cluster configuration to all nodes...

Starting or restarting agent...
Stopping the agent on removed hosts ['192.168.56.203']

>> Completing installation...

Running upgrade logic
Installation complete.

Please evaluate your hardware using Vertica's validation tools:
    https://www.vertica.com/docs/10.0.x/HTML/index.htm#cshid=VALSCRIPT

To create a database:
  1. Logout and login as dbadmin. (see note below)
  2. Run /opt/vertica/bin/adminTools as dbadmin
  3. Select Create Database from the Configuration Menu

  Note: Installation may have made configuration changes to dbadmin
  that do not take effect until the next session (logout and login).

To add or remove hosts, select Cluster Management from the Advanced Menu.
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