南大通用数据库-Gbase-8a-学习-17-Gbase8a集群版本升级
一、测试环境
名称 | 值 |
---|---|
cpu | Intel® Core™ i5-1035G1 CPU @ 1.00GHz |
操作系统 | CentOS Linux release 7.9.2009 (Core) |
内存 | 4G |
逻辑核数 | 3 |
Gbase-8a节点-IP | 192.168.142.10 |
Gbase-8a数据库旧版本 | 8.6.2.43-R33.132743 |
Gbase-8a数据库新版本 | 8.6.2-R43.34.27468a27 |
二、旧版本环境
1、集群状态
[gbase@localhost gcinstall]$ gcadmin showdistributionDistribution ID: 1 | State: new | Total segment num: 1Primary Segment Node IP Segment ID Duplicate Segment node IP
========================================================================================================================
| 192.168.142.12 | 1 | |
========================================================================================================================
2、测试数据
gbase> create database czg;
Query OK, 1 row affected (Elapsed: 00:00:00.01)gbase> use czg;
Query OK, 0 rows affected (Elapsed: 00:00:00.00)gbase> create table sun (a int,b double,c varchar(100),d text,e blob,f longblob,g date,h timestamp);
Query OK, 0 rows affected (Elapsed: 00:00:00.16)gbase> insert into sun values(1,1.1,'czg','快乐的小天使','qwertasdsdfzxczxxv','gregergjsfishfuieehfuiew','1995-09-18','2022-08-03 09:24:00.000');
Query OK, 1 row affected (Elapsed: 00:00:00.14)gbase> insert into sun values(1,1.1,'czg','快乐的小天使','qwertasdsdfzxczxxv','gregergjsfishfuieehfuiew','1995-09-18','2022-08-03 09:24:00.000');
Query OK, 1 row affected (Elapsed: 00:00:00.14)gbase> insert into sun values(1,1.1,'czg','快乐的小天使','qwertasdsdfzxczxxv','gregergjsfishfuieehfuiew','1995-09-18','2022-08-03 09:24:00.000');
Query OK, 1 row affected (Elapsed: 00:00:00.02)gbase> insert into sun select * from sun;
Query OK, 3 rows affected (Elapsed: 00:00:00.21)
Records: 3 Duplicates: 0 Warnings: 0gbase> select * from sun;
+------+------+------+--------------------+--------------------+--------------------------+------------+---------------------+
| a | b | c | d | e | f | g | h |
+------+------+------+--------------------+--------------------+--------------------------+------------+---------------------+
| 1 | 1.1 | czg | 快乐的小天使 | qwertasdsdfzxczxxv | gregergjsfishfuieehfuiew | 1995-09-18 | 2022-08-03 09:24:00 |
| 1 | 1.1 | czg | 快乐的小天使 | qwertasdsdfzxczxxv | gregergjsfishfuieehfuiew | 1995-09-18 | 2022-08-03 09:24:00 |
| 1 | 1.1 | czg | 快乐的小天使 | qwertasdsdfzxczxxv | gregergjsfishfuieehfuiew | 1995-09-18 | 2022-08-03 09:24:00 |
| 1 | 1.1 | czg | 快乐的小天使 | qwertasdsdfzxczxxv | gregergjsfishfuieehfuiew | 1995-09-18 | 2022-08-03 09:24:00 |
| 1 | 1.1 | czg | 快乐的小天使 | qwertasdsdfzxczxxv | gregergjsfishfuieehfuiew | 1995-09-18 | 2022-08-03 09:24:00 |
| 1 | 1.1 | czg | 快乐的小天使 | qwertasdsdfzxczxxv | gregergjsfishfuieehfuiew | 1995-09-18 | 2022-08-03 09:24:00 |
+------+------+------+--------------------+--------------------+--------------------------+------------+---------------------+
6 rows in set (Elapsed: 00:00:00.01)
3、版本查看
gbase> select version();
+---------------------+
| version() |
+---------------------+
| 8.6.2.43-R33.132743 |
+---------------------+
1 row in set (Elapsed: 00:00:00.00)
三、升级步骤
cexec命令的安装步骤看之前的写的文章里有,文章连接:南大通用数据库-Gbase-8a-学习-12-Gbase8a常用运维命令(持续更新哈)
1、确定业务是否停止
确保没有运行的Sql。
[gbase@localhost gcinstall]$ cexecs data: 'gncli -uroot -e "show processlist"|grep -v Sleep'
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
Id User Host db Command Time State Info
36 root localhost NULL Query 0 NULL show processlist
2、定时任务检查
(1)查看定时任务
[root@localhost opt]# cexecs data: 'cat /var/spool/cron/gbase'
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
0 */2 * * * /opt/gnode/server/bin/gc_syncpacklog.sh /opt
(2)注释定时任务
如果升级时间段内有定时任务需注释。
[root@localhost opt]# cexecs data: 'sed -i "s/^[^#]/#&/" /var/spool/cron/gbase'
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.[root@localhost opt]# cexecs data: 'cat /var/spool/cron/gbase'
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
#0 */2 * * * /opt/gnode/server/bin/gc_syncpacklog.sh /opt
(3)解除定时任务注释(升级结束后执行)
[root@localhost opt]# cexecs data: 'sed -i "s/^[#]//" /var/spool/cron/gbase'
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.[root@localhost opt]# cexecs data: 'cat /var/spool/cron/gbase'
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
0 */2 * * * /opt/gnode/server/bin/gc_syncpacklog.sh /opt
3、检查集群状态
如果有节点异常,先处理再升级。
[root@localhost opt]# gcadmin
CLUSTER STATE: ACTIVE
CLUSTER MODE: NORMAL=====================================================================
| GBASE COORDINATOR CLUSTER INFORMATION |
=====================================================================
| NodeName | IpAddress |gcware |gcluster |DataState |
---------------------------------------------------------------------
| coordinator1 | 192.168.142.12 | OPEN | OPEN | 0 |
---------------------------------------------------------------------
=================================================================
| GBASE DATA CLUSTER INFORMATION |
=================================================================
|NodeName | IpAddress |gnode |syncserver |DataState |
-----------------------------------------------------------------
| node1 | 192.168.142.12 | OPEN | OPEN | 0 |
-----------------------------------------------------------------
4、检查EVENT
(1)查看命令
[root@localhost opt]# gcadmin showdmlevent
Event count:0[root@localhost opt]# gcadmin showddlevent
Event count:0[root@localhost opt]# gcadmin showdmlstorageevent
Event count:0
(2)日志排查
如果上述结果有不为0的,需查看日志中是否有报错日志,根据报错解决相应问题。
[gbase@localhost gcinstall]$ tail -f /opt/gcluster/log/gcluster/gc_recover.log
2022-08-23 09:39:09.242 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccba42c700) is been built success
2022-08-23 09:39:09.242 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb9c2b700) is been built success
2022-08-23 09:39:09.242 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb942a700) is been built success
2022-08-23 09:39:09.242 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb8c29700) is been built success
2022-08-23 09:39:09.243 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb8428700) is been built success
2022-08-23 09:39:09.243 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb7c27700) is been built success
2022-08-23 09:39:09.243 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb7426700) is been built success
2022-08-23 09:39:09.243 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb6c25700) is been built success
2022-08-23 09:39:09.243 [INFO ] <RECOVER-INFO>: Recover Thread(0x7fccb6424700) is been built success
2022-08-23 09:39:09.243 [INFO ] <GCWare>: master node is: 210675904 192.168.142.12
5、集群版本检查(升级前后都需要做)
升级前后都需要记录,分别升级后做版本对比。
(1)集群服务版本
[gbase@localhost gcinstall]$ cexecs coor: "/opt/gcluster/server/bin/gclusterd -V"
************************ coor ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
/opt/gcluster/server/bin/gclusterd ver 8.6.2.43-R33.132743 for unknown-linux-gnu on x86_64
(2)数据节点服务版本
[gbase@localhost gcinstall]$ cexecs data: "/opt/gnode/server/bin/gbased -V"
************************ data ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
/opt/gnode/server/bin/gbased ver 8.6.2.43-R33.132743 for unknown-linux-gnu on x86_64
(3)gcadmin版本
[gbase@localhost gcinstall]$ cexecs "gcadmin -V"
************************ coor ************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
gcadmin 1.2.9 build 129123
(4)其他组件版本
gbase> SHOW VARIABLES LIKE '%VERSION';
+----------------------------+---------------------+
| Variable_name | Value |
+----------------------------+---------------------+
| gbase_kafka_broker_version | |
| gbase_show_version | 1 |
| gcluster_hash_version | 1 |
| protocol_version | 10 |
| version | 8.6.2.43-R33.132743 |
+----------------------------+---------------------+
5 rows in set (Elapsed: 00:00:00.01)
6、停止集群服务
[root@localhost opt]# cexec all: "service gcware stop"
************************* all *************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
Stopping GCMonit success!
Signaling GCRECOVER (gcrecover) to terminate: [ 确定 ]
Waiting for gcrecover services to unload:...[ 确定 ]
Signaling GCSYNC (gc_sync_server) to terminate: [ 确定 ]
Waiting for gc_sync_server services to unload:[ 确定 ]
Signaling GCLUSTERD to terminate: [ 确定 ]
Waiting for gclusterd services to unload:........[ 确定 ]
Signaling GBASED to terminate: [ 确定 ]
Waiting for gbased services to unload:..[ 确定 ]
Signaling GCWARE (gcware) to terminate: [ 确定 ]
Waiting for gcware services to unload:..[ 确定 ]
7、获取现有SCN和TABLEID
记录现有的SCN号和TABLEID号,用于升级意外失败的手工恢复。
[gbase@localhost gcinstall]$ python
Python 2.7.5 (default, Jun 28 2022, 15:30:04)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import gcware
>>> gcware.getscn()
16
>>> gcware.gettableid()
8
8、集群配置文件备份
(1)集群层配置文件备份
[root@czg2 ~]# cexec coor: 'cp -a /opt/gcluster/ /home/gbase/bak/'
(2)数据层配置文件备份
[root@czg2 ~]# cexec coor: 'cp -a /opt/gnode/ /home/gbase/bak/'
(3)其他配置文件备份
[root@czg2 ~]# cexec coor: "cp -a /var/lib/gcware/ /home/gbase/bak/ "[root@czg2 ~]# cexec coor: "cp -a /etc/corosync /home/gbase/bak/ "
9、解压新版本
[root@localhost opt]# cd /opt/pkg/Gbase8a-34/[root@localhost Gbase8a-34]# ll
总用量 88300
-rw-rw-rw- 1 root root 90416620 8月 23 09:20 GBase8a_MPP_Cluster-NoLicense-8.6.2_build43-R34-2-redhat7-x86_64.tar.bz2[root@localhost Gbase8a-34]# tar -xvf GBase8a_MPP_Cluster-NoLicense-8.6.2_build43-R34-2-redhat7-x86_64.tar.bz2
10、修改配置文件
[root@localhost gcinstall]# cat demo.options
installPrefix= /opt
coordinateHost = 192.168.142.12
coordinateHostNodeID = 234,235,237
dataHost = 192.168.142.12
#existCoordinateHost =
#existDataHost =
loginUser= root
loginUserPwd = 'qwer1234'
#loginUserPwdFile = loginUserPwd.json
dbaUser = gbase
dbaGroup = gbase
dbaPwd = 'gbase'
rootPwd = 'qwer1234'
#rootPwdFile = rootPwd.json
dbRootPwd = ''
#mcastAddr = 226.94.1.39
mcastPort = 5493
11、集群升级
(1)升级命令
[gbase@czg2 gcinstall]$ python gcinstall.py --silent=demo.options -U
192.168.142.12 Install gcluster on host 192.168.142.12 successfully.
192.168.142.12 Install gcluster on host 192.168.142.12 successfully.
Starting all gcluster nodes...
Upgrade Successfully.
(2)升级日志
[root@localhost gcinstall]# tail -f gcinstall.log
2022-08-23 11:20:08,756-root-INFO Copying pexpect.py to host 192.168.142.12:/opt_prepare successfully
2022-08-23 11:20:08,757-root-INFO Copying BUILDINFO to host 192.168.142.12:/opt_prepare
2022-08-23 11:20:09,925-root-INFO Copying BUILDINFO to host 192.168.142.12:/opt_prepare successfully
2022-08-23 11:20:09,925-root-INFO Copying bundle.tar.bz2 to host 192.168.142.12:/opt_prepare
2022-08-23 11:20:11,997-root-INFO Copying bundle.tar.bz2 to host 192.168.142.12:/opt_prepare successfully
2022-08-23 11:20:11,998-root-INFO Copying bundle_data.tar.bz2 to host 192.168.142.12:/opt_prepare
2022-08-23 11:20:13,206-root-INFO Copying bundle_data.tar.bz2 to host 192.168.142.12:/opt_prepare successfully
2022-08-23 11:20:13,206-root-INFO Copy data files to host 192.168.142.12 successfully.
2022-08-23 11:20:13,206-root-INFO Upgrade gcluster.
2022-08-23 11:20:13,207-root-INFO send cmd: /usr/bin/python /opt_prepare/InstallTar.py --silent=/opt_prepare/192.168.142.12.options --IsCoordinator --IsData -U --ClusterUUID=4aa9025c-2292-11ed-9142-000c29c7ba0f --is_IPV4
2022-08-23 11:30:19,783-root-INFO Install gcluster on host 192.168.142.12 successfully.
2022-08-23 11:30:20,297-root-DEBUG set gc_syncpacklog on host 192.168.142.12
2022-08-23 11:30:21,647-root-INFO crontab -l > conf;sed -i '/gc_syncpacklog.sh/d' conf;sed -i '/^$/d' conf;echo '0 */2 * * * /opt/gnode/server/bin/gc_syncpacklog.sh /opt' >> conf; crontab conf;rm -rf conf;
2022-08-23 11:30:22,270-root-DEBUG Starting all gcluster nodes...
2022-08-23 11:30:35,841-root-INFO start service successfull on host 192.168.142.12.
2022-08-23 11:30:36,345-root-DEBUG /bin/chown -R gbase:gbase gcChangeInfo.xml
2022-08-23 11:30:36,354-root-DEBUG source /home/gbase/.gbase_profile;gcadmin showcluster f
2022-08-23 11:30:42,437-root-INFO /opt/gcluster/server/bin/gbase -p'***' -uroot -e"select count(uid) from gbase.user where uid <> 0"
12、修改参数
V8.6.2build43R31及之后的版本推荐添加或修改如下参数。
所有管理节点都需要添加这两个参数,后续需重启数据库。
(1)corosync.conf参数
参数名 | 描述 |
---|---|
inner_connect_read_write_timeout | gbase_inner_connect 连接、写、读的超时时间。 |
参数值:整数型 1~5,单位:秒,默认值:1,最大值 5。 |
添加到gcware标签里。
[root@czg2 ~]# cat /etc/corosync/corosync.conf
totem {version: 2secauth: offinterface {member {memberaddr: 192.168.142.12}ringnumber: 0bindnetaddr: 192.168.142.12mcastport: 5493ttl: 1}transport: udputoken: 60000token_retransmits_before_loss_const:80send_join: 80join: 1500consensus:120000
}
logging {fileline: offto_stderr: noto_file: yesto_syslog: nologfile: /var/log/corosync.logcorosync_system_log: /opt/gcluster/log/gcluster/corosync_system.logdebug: offtimestamp: onlogger {ident: AMFdebug: offtags: enter|leave|trace1|trace2|trace3|trace4|trace6}
}gcware {persistent_interval: 5check_interval: 30whole_check_interval_num: 20cfg_connect_timeout: 5000gcluster_port: 5258gnode_port: 5050syncserver_port: 5288node_ssh_port: 22singlecastport: 5678check_coordinator_thread_num: 1check_dataserver_thread_num: 10check_tcp_only: 1inner_connect_read_write_timeout: 5coordinator {member {memberaddr: 192.168.142.12}}
}
(2)gcluster_shrink_to_rebalance
参数名 | 描述 |
---|---|
gcluster_shrink_to_rebalance | rebalance 实现 shrink space 功能和原 shrink space 功能共存,用参数控制:gcluster_shrink_to_rebalance |
默认值 0; 取值 1: 打开 shrink to rebalance 功能; 取值 0:关闭shrink to rebalance 功能。 |
在gbase_8a_gcluster.cnf中的模块[gbased]中添加gcluster_shrink_to_rebalance参数。
[root@czg2 ~]# cat /opt/gcluster/config/gbase_8a_gcluster.cnf
[client]
port=5258
socket=/tmp/gcluster_5258.sock
connect_timeout=43200
#default_character_set=gbk[gbased]
basedir = /opt/gcluster/server
datadir = /opt/gcluster/userdata/gcluster
socket=/tmp/gcluster_5258.sock
pid_file = /opt/gcluster/log/gcluster/gclusterd.pid#default_character_set=gbklog_error
port=5258
gcluster_gnode_port=5050
core_filedefault_storage_engine=express
default_time_zone='+8:00'
_gbase_query_path=0skip_name_resolve
query_cache_type = 0
query_cache_size = 0M
event_scheduler= 1thread_stack = 1048576sql_mode=PAD_CHAR_TO_FULL_LENGTH,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,NO_AUTO_CREATE_USER,NO_AUTO_VALUE_ON_ZERO,NO_ENGINE_SUBSTITUTION,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ONLY_FULL_GROUP_BY
lower_case_table_names=1max_connections = 10000
max_connect_errors=1000000
max_allowed_packet = 64M
net_write_timeout = 1000000
net_read_timeout = 1000000
connect_timeout = 1000000
interactive_timeout =1000000
wait_timeout = 1000000
open_files_limit = 65535gbase_express_log = 1gcluster_connect_net_read_timeout = 1000000
gcluster_connect_net_write_timeout = 1000000
gcluster_connect_timeout = 1000000
gcluster_wait_query_cancel_timeout = 200
gcluster_reconn_times = 3
gcluster_async_connect_timeout = 120gcluster_use_special_insert_method = 1
gcluster_use_special_materialized_table = 1
gcluster_special_insert_method_comment=tempgcluster_use_new_threadpool = 1
gcluster_max_thread_in_pool = 600 gcluster_use_conn_pool = 1
gcluster_max_conn_in_pool = 300
gcluster_conn_ping_expire = 0gcluster_local_max_conn_in_pool = 50gcluster_dynamic_cluster_node_status = 1
gcluster_lock_level = 2
gcluster_temp_table_engine='express nolock'
gcluster_dml_ddl_proxy_switch = 0
gcluster_adjust_nodes_before_redist = 0gcluster_starschema_optimize = 0
gcluster_starschema_join_estimate_optimize = 1
gcluster_hash_redistribute_groupby_optimize = 1
gcluster_hash_redistribute_join_optimize = 2
gcluster_crossjoin_use_hash_distribution = 1
gcluster_insertselect_use_values_optimize = 0
gcluster_union_optimize = 1
gcluster_count_optimize = 1
gcluster_insert_singlegrouppart_optimize = 0gcluster_empty_result_set_optimize = 0gcluster_special_correlated_optimize = 1
gcluster_support_hash_redist_combiner = 0
gcluster_order_by_limit_offset_optimize = 0gcluster_ha_event_monitor = 1
gcluster_ha_node_left_event_delay = 120000gcluster_sql_statistics = 0
gcluster_use_new_decimal = 1
gcluster_query_retry = 1
gcluster_insert_optimize_flag = 95gcluster_serial_exec_query = 0
#gcluster_special_correlated_optimize = 1
#gcluster_ddl_parallel_execute =1gbase_compression_str_method=5
gbase_compression_num_method=5back_log = 65535gcluster_hash_version = 1_gbase_transaction_disable = 1#const express can calculated before query
gcluster_prepare_const_express = 0
#disallow non printable char in char and varchar.
up_disallow_non_printable_char = 0gcluster_shrink_to_rebalance = 1[gbasedump]
max_allowed_packet = 64M[gbase]
max_allowed_packet = 64M
no_auto_rehash
13、重启集群
[root@czg2 ~]# cexec all: "service gcware restart"
************************* all *************************
--------- 192.168.142.12---------
Warning: Permanently added '192.168.142.12' (ECDSA) to the list of known hosts.
Stopping GCMonit success!
Signaling GCRECOVER (gcrecover) to terminate: [ 确定 ]
Waiting for gcrecover services to unload:..[ 确定 ]
Signaling GCSYNC (gc_sync_server) to terminate: [ 确定 ]
Waiting for gc_sync_server services to unload:[ 确定 ]
Signaling GCLUSTERD to terminate: [ 确定 ]
Waiting for gclusterd services to unload:.......[ 确定 ]
Signaling GBASED to terminate: [ 确定 ]
Waiting for gbased services to unload:.....[ 确定 ]
Signaling GCWARE (gcware) to terminate: [ 确定 ]
Waiting for gcware services to unload:.[ 确定 ]
Starting GCWARE (gcwexec): [ 确定 ]
Starting GBASED : [ 确定 ]
Starting GCSYNC : [ 确定 ]
Starting GCLUSTERD : [ 确定 ]
Starting GCRECOVER : [ 确定 ]
Starting GCMonit success!
14、验证升级情况
重复:5、集群版本检查(升级前后都需要做)
[gbase@czg2 gcinstall]$ gccliGBase client 8.6.2-R43.34.27468a27. Copyright (c) 2004-2022, GBase. All Rights Reserved.gbase> select version();
+-----------------------+
| version() |
+-----------------------+
| 8.6.2-R43.34.27468a27 |
+-----------------------+
1 row in set (Elapsed: 00:00:00.00)
集群状态检查:
[gbase@czg2 gcinstall]$ gcadmin
CLUSTER STATE: ACTIVE
CLUSTER MODE: NORMAL=====================================================================
| GBASE COORDINATOR CLUSTER INFORMATION |
=====================================================================
| NodeName | IpAddress |gcware |gcluster |DataState |
---------------------------------------------------------------------
| coordinator1 | 192.168.142.12 | OPEN | OPEN | 0 |
---------------------------------------------------------------------
=================================================================
| GBASE DATA CLUSTER INFORMATION |
=================================================================
|NodeName | IpAddress |gnode |syncserver |DataState |
-----------------------------------------------------------------
| node1 | 192.168.142.12 | OPEN | OPEN | 0 |
-----------------------------------------------------------------
15、升级失败回退
(1)方法一
先杀掉gbase用户下的残留进程。
[root@czg2 gcinstall]# ./Restore.py --help
Usage: Restore.py [options]Options:-h, --help show this help message and exit-a do not prompt the user for confirmation--backupFile=BACKUPFILEbackup file.--silent=SILENTCONFIGuse the supplied properties file for a 'silent'restore--passwordInputMode=PASSWORDINPUTMODEThis process get password method, default:file. mode["file","pwdsame","pwddiff"]file: get from config file[password withoutencrypted]. pwdsame: getpassword from user input when all node password same.pwddiff: get password from user input for nodes one byone.
[gbase@localhost gcinstall]$ ./Restore.py --backupFile=/home/gbase/gcluster_backup_xxxx.tar.bz2 --silent=demo.options
gcluster_backup_xxxx.tar.bz2是执行升级脚本后,自动生成的backup 文件。最后出现Success to RestoreLocal的字样,表示回退成果。
(2)方法二
先停服务用新版本unInstall.py卸掉新版本,再用老版本gcinstall.py安装,需要和原来路径一致。再停服务,把 6、集群配置文件备份中的文件移动回原位置之前,最好把原位置的文件先删除,最后再启动服务即可。
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