让别人做网站多久开始注册域名,网上哪个网站做的系统好用,网站备案表格样本,柳城网站设计1. 集群的两台服务器的状态 实例 正常情况主备 ip 端口 node1 主机 192.168.6.6 9088 node2 备机 192.168.6.7 9088
2. 测试的步骤
down掉node1观察node2的状态在node2未自动切换的时候手动将node2调整为单机状态#xff0c;模拟紧急使用模拟不紧急时#xff0…1. 集群的两台服务器的状态 实例 正常情况主备 ip 端口 node1 主机 192.168.6.6 9088 node2 备机 192.168.6.7 9088
2. 测试的步骤
down掉node1观察node2的状态在node2未自动切换的时候手动将node2调整为单机状态模拟紧急使用模拟不紧急时将node2升级为主机并恢复节点node1
3. 主机down机后手动操纵备机使备机快速进入可使用状态
[gbasedbtnode01 install]$ onstat -g dri
On-Line (Prim) -- Up 00:16:11 -- 1650580 KbytesData Replication at 0x4cf1a028:Type State Paired server Last DR CKPT (id/pg) Supports Proxy Writesprimary on node2 9 / 1 NADRINTERVAL 0DRTIMEOUT 30DRAUTO 0DRLOSTFOUND /opt/GBASE/gbase/etc/dr.lostfoundDRIDXAUTO 0ENCRYPT_HDR 0Backlog 0Last Send 2024/06/17 22:01:20Last Receive 2024/06/17 22:01:20Last Ping 2024/06/17 22:01:05Last log page applied(log id,page): 9,2[rootnode01 GBASE]# onstat -
On-Line (Prim) -- Up 00:14:11 -- 1650580 Kbytes[rootnode01 GBASE]# su - gbasedbt
上一次登录一 6月 17 21:45:54 CST 2024pts/0 上
[gbasedbtnode01 ~]$ onclean -ky
onclean: Cleaning up processes and resources for node1...- Looking for the master daemon process: 13760- Looking for the shmem key: 52934803- Looking for the shmem key: 52934804- Looking for semaphore ID: 10- Looking for the shmem key: 52934801- Looking for the shmem key: 52934802
[gbasedbtnode01 ~]$--主备集群之间由健康检查判断集群是否正常由于心跳检查是多次连接每次连接之间有数秒的间隔所以主机down到备机切换之间有健康检查时间这段时间备机显示集群是正常的
[gbasedbtnode02 ~]$ onstat -g dri
Read-Only (Sec) -- Up 00:01:22 -- 1635008 KbytesData Replication at 0x4c13d028:Type State Paired server Last DR CKPT (id/pg) Supports Proxy WritesHDR Secondary on node1 9 / 1 NDRINTERVAL 0DRTIMEOUT 30DRAUTO 0DRLOSTFOUND /opt/GBASE/gbase/etc/dr.lostfoundDRIDXAUTO 0ENCRYPT_HDR 0Backlog 0Last Send 2024/06/17 22:02:04Last Receive 2024/06/17 22:02:04Last Ping 2024/06/17 22:01:59Last log page applied(log id,page): 0,0本次模拟主机down机备机还没有发现的情况下将备机恢复使用
[gbasedbtnode02 ~]$ onstat -g dri
Read-Only (Sec) -- Up 00:01:22 -- 1635008 KbytesData Replication at 0x4c13d028:Type State Paired server Last DR CKPT (id/pg) Supports Proxy WritesHDR Secondary on node1 9 / 1 NDRINTERVAL 0DRTIMEOUT 30DRAUTO 0DRLOSTFOUND /opt/GBASE/gbase/etc/dr.lostfoundDRIDXAUTO 0ENCRYPT_HDR 0Backlog 0Last Send 2024/06/17 22:02:04Last Receive 2024/06/17 22:02:04Last Ping 2024/06/17 22:01:59Last log page applied(log id,page): 0,0[gbasedbtnode02 ~]$ onstat -
Read-Only (Sec) -- Up 00:01:55 -- 1635008 Kbytes[gbasedbtnode02 ~]$ onmode -d standard
[gbasedbtnode02 ~]$ onstat -
On-Line -- Up 00:02:21 -- 1635008 Kbytes
4. 备机变成单机状态后需要升为主机并恢复集群
[gbasedbtnode02 ~]$ onmode -d primary node1
[gbasedbtnode02 ~]$ onstat -
On-Line (Prim) -- Up 00:02:38 -- 1635008 Kbytes
--node1节点执行oninit -PHY执行物理日志恢复
[gbasedbtnode01 node1_dbs]$ oninit -PHY
[gbasedbtnode01 node1_dbs]$ onstat -m
Fast Recovery -- Up 00:00:13 -- 1650580 KbytesMessage Log File: /opt/GBASE/gbase/tmp/online_node1.log
06/17/24 22:49:31 SQL_FEAT_CTRL value set to 0x8008
06/17/24 22:49:31 SQL_DEF_CTRL value set to 0x4b0
06/17/24 22:49:31 GBase Database Server Version 12.10.FC4G1AEE Software Serial Number AAA#B000000
06/17/24 22:49:32 GBase Database Server Initialized -- Shared Memory Initialized.06/17/24 22:49:32 Started 1 B-tree scanners.
06/17/24 22:49:32 B-tree scanner threshold set at 5000.
06/17/24 22:49:32 B-tree scanner range scan size set to -1.
06/17/24 22:49:32 B-tree scanner ALICE mode set to 6.
06/17/24 22:49:32 B-tree scanner index compression level set to med.
06/17/24 22:49:32 DR: Reservation of the last logical log for log backup turned on
06/17/24 22:49:32 Data replication type and state information reset. To start DR, usethe onmode -d command and wait for the pair to be operational,before shutting down the database server06/17/24 22:49:32 Physical Recovery Started at Page (3:394).
06/17/24 22:49:32 Physical Recovery Complete: 0 Pages Examined, 0 Pages Restored.
06/17/24 22:49:32 Dataskip is now OFF for all dbspaces
06/17/24 22:49:32 Restartable Restore has been ENABLED
06/17/24 22:49:32 Recovery Mode
--查看节点发现为快速恢复阶段
[gbasedbtnode01 node1_dbs]$ onstat -
Fast Recovery -- Up 00:00:21 -- 1650580 Kbytes--将node1节点当成备机加入节点
[gbasedbtnode01 node1_dbs]$ onmode -d secondary node2
[gbasedbtnode01 node1_dbs]$ onstat -
Read-Only (Sec) -- Up 00:02:04 -- 2188180 Kbytes[gbasedbtnode01 node1_dbs]$ onstat -g dri
Read-Only (Sec) -- Up 00:04:31 -- 2188180 KbytesData Replication at 0x4cf1a028:Type State Paired server Last DR CKPT (id/pg) Supports Proxy WritesHDR Secondary on node2 9 / 5 NDRINTERVAL 0DRTIMEOUT 30DRAUTO 2DRLOSTFOUND /opt/GBASE/gbase/etc/dr.lostfoundDRIDXAUTO 0ENCRYPT_HDR 0Backlog 0Last Send 2024/06/17 22:50:42Last Receive 2024/06/17 22:50:44Last Ping 2024/06/17 22:53:35Last log page applied(log id,page): 0,0
