KingbaseES V8R6C5B041 sys_backup.sh单实例备份案例
数据库版本:
test=# select version();
version
----------------------------------------------------------------------------------------------------------------------
KingbaseES V008R006C005B0041 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-46), 64-bit
(1 row)
1、数据库软件安装路径
=此版本的软件安装路径和前面的版本相比有了较大变化,通过软链接可以在一个父目录下建立多个版本的软件=
[kingbase@node1 V8R6C5_41]$ ls -lh
total 0
lrwxrwxrwx 1 kingbase kingbase 68 Mar 21 15:04 ClientTools -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/ClientTools/
lrwxrwxrwx 1 kingbase kingbase 60 Mar 21 15:04 doc -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/doc/
lrwxrwxrwx 1 kingbase kingbase 64 Mar 21 15:04 install -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/install/
lrwxrwxrwx 1 kingbase kingbase 66 Mar 21 15:04 Interface -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Interface/
drwxrwxr-x 3 kingbase kingbase 30 Mar 21 15:02 KESRealPro
lrwxrwxrwx 1 kingbase kingbase 67 Mar 21 15:04 KingbaseHA -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/KingbaseHA/
lrwxrwxrwx 1 kingbase kingbase 67 Mar 21 15:04 license.dat -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/license.dat
lrwxrwxrwx 1 kingbase kingbase 63 Mar 21 15:04 Server -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/
lrwxrwxrwx 1 kingbase kingbase 65 Mar 21 15:04 SupTools -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/SupTools/
lrwxrwxrwx 1 kingbase kingbase 66 Mar 21 15:04 Uninstall -> /opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Uninstall/
2、配置归档
[root@node1 data]# cat kingbase.conf |grep -i archive_
archive_mode = on # enables archiving; off, on, or always
archive_command='export TZ=Asia/Shanghai;/opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/bin/sys_rman --config /home/kingbase/kbbr6_repo/sys_rman.conf --stanza=kingbase archive-push %p'
3、配置备份配置文件
[kingbase@node1 bin]$ cat sys_backup.conf
#file: sys_backup.conf
#dest dir: <cluster_dir>/kingbase/bin/sys_backup.conf
#dest dir: <cluster_dir>/kingbase/share/sys_backup.conf
# target db style enum: single/cluster
_target_db_style="single"
# one kingbase node IP
# just provide one IP, script will use 'repmgr cluster show' get other node IP
_one_db_ip="127.0.0.1"
# local repo IP, inner-REPO, means repo located in one db node
# outer repo IP, outer-REPO, means repo located in outer node
_repo_ip="127.0.0.1"
# label of this cluster
_stanza_name="kingbase"
# OS user name of database
_os_user_name="kingbase"
# !!!! dir to store the backup files
# should be accessable for the OS user
_repo_path="/home/kingbase/kbbr6_repo"
# count of keep, over the count FULL-backup will be remove
_repo_retention_full_count=5
# count of days, interval to do FULL-backup
_crond_full_days=7
# count of days, interval to do DIFF-backup
_crond_diff_days=0
# count of days, interval to do INCR-backup
_crond_incr_days=1
# HOUR to do the FULL-backup
_crond_full_hour=2
# HOUR to do the DIFF-backup
_crond_diff_hour=3
# HOUR to do the INCR-backup
_crond_incr_hour=4
# band witdh limit, fixed in Mb/s, default 0 means no limit
_band_width=0
# OS cmd define
_os_ip_cmd="/sbin/ip"
_os_rm_cmd="/bin/rm"
_os_sed_cmd="/bin/sed"
_os_grep_cmd="/bin/grep"
# !!! these follow 4 parameter ONLY for single style
# data dir of single
_single_data_dir="/data/kingbase/v8r6c5_041/data"
# bin dir of single
_single_bin_dir="/opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/bin"
# database user of single
_single_db_user="system"
# database port of single
_single_db_port="54321"
# on means sys_securecmd, off means normal ssh
_use_scmd=on
4、执行备份的初始化
[kingbase@node1 bin]$ ./sys_backup.sh init
Please input password ...
# generate single sys_rman.conf...DONE
# update single archive_command with sys_rman.archive-push...DONE
# create stanza and check...(maybe 60+ seconds)
# create stanza and check...DONE
# initial first full backup...(maybe several minutes)
# initial first full backup...DONE
# Initial sys_rman OK.
5、查看初始化后备份目录及配置文件
[kingbase@node1 bin]$ ls -lh /home/kingbase/kbbr6_repo/
total 4.0K
drwxr-x--- 3 kingbase kingbase 21 Mar 21 15:46 archive
drwxr-x--- 3 kingbase kingbase 21 Mar 21 15:46 backup
-rw-rw-r-- 1 kingbase kingbase 539 Mar 21 15:46 sys_rman.conf
#配置文件
[kingbase@node1 bin]$ cat /home/kingbase/kbbr6_repo/sys_rman.conf
# Genarate by script at 20220321154646, should not change manually
[kingbase]
kb1-path=/data/kingbase/v8r6c5_041/data
kb1-port=54321
kb1-user=system
[global]
repo1-path=/home/kingbase/kbbr6_repo
repo1-retention-full=5
log-path=/opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/log
log-level-file=info
log-level-console=info
log-subprocess=y
process-max=4
#### default gz, support: gz none
compress-type=gz
compress-level=3
band-width=0
cmd-ssh=/opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/bin/sys_securecmd
6、查看备份日志
[kingbase@node1 log]$ cat sys_rman_stanza-create.log
2022-03-21 15:46:47.031 P00 INFO: stanza-create command begin 2.27: --cmd-ssh=/opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/bin/sys_securecmd --config=/home/kingbase/kbbr6_repo/sys_rman.conf --exec-id=28484-a4317ee9 --kb1-path=/data/kingbase/v8r6c5_041/data --kb1-port=54321 --kb1-user=system --log-level-console=info --log-level-file=info --log-path=/opt/Kingbase/ES/V8R6C5_41/KESRealPro/V008R006C005B0041/Server/log --log-subprocess --repo1-path=/home/kingbase/kbbr6_repo --stanza=kingbase
2022-03-21 15:46:48.196 P00 INFO: stanza-create for stanza 'kingbase' on repo1
2022-03-21 15:46:49.295 P00 INFO: stanza-create command end: completed successfully (2267ms)
7、备份故障案例分析
故障现象:
故障分析:
1)查看sys_backup.conf配置
2)检查数据库归档配置
故障原因:
8、总结
1)最新版本的软件安装目录存储方式有较大的变化
2)执行ssh跨节点访问,专门的命令:sys_securecmd
3)在备份前,需要检查下kingbase.conf中归档的配置
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