[英]PostgreSQL database backup is empty - what's wrong?
我想配置Alfresco數據庫(PostgreSQL rdbms)的備份。
為此,我有一個像這樣的腳本:
psql-create-backup:
#!/bin/sh
pg_dump -h localhost -U postgres -Fc -Z9 -c -f /home/bykovan/alfresco-data-backup/"`date +%d-%m-%Y`".alfresco.backup alfresco
我將其保存在/home/bykovan
並授予執行權:
[bykovan@docflow ~]$ sudo chmod 711 psql-create-backup
然后我將作業添加到cron中:
[bykovan@docflow ~]$ sudo crontab -e
...
0 0 * * * /home/bykovan/psql-create-backup
在pg_hba.conf
我添加了以下行host all all 127.0.0.1/32 trust
:
[bykovan@docflow ~]$ sudo vi /var/lib/pgsql/9.5/data/pg_hba.conf
-- SKIPPED --
# TYPE DATABASE USER ADDRESS METHOD
# "local" is for Unix domain socket connections only
#local all all peer
local all all md5
# IPv4 local connections:
#host all all 127.0.0.1/32 ident
host all all 127.0.0.1/32 trust
host all all 127.0.0.1/32 md5
# IPv6 local connections:
#host all all ::1/128 ident
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local replication postgres peer
#host replication postgres 127.0.0.1/32 ident
#host replication postgres ::1/128 ident
host all all 192.168.0.0/16 md5
-- VISUAL BLOCK --
備份為空:
[bykovan@docflow alfresco-data-backup]$ ls -lh
-rw-r--r-- 1 root root 0 feb 18 00:00 18-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 19 00:00 19-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 20 00:00 20-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 21 00:00 21-02-2017.alfresco.backup
在pg_hba.conf
我添加了以下pg_hba.conf
行:
host all all ::1/128 md5
host all postgres 127.0.0.1/32 trust
然后重新啟動服務:
[bykovan@docflow ~]$ sudo service postgresql-9.5 stop
Redirecting to /bin/systemctl stop postgresql-9.5.service
[bykovan@docflow ~]$ sudo service postgresql-9.5 start
Redirecting to /bin/systemctl start postgresql-9.5.service
然后直接在提示符下運行命令( 提示輸入密碼 ),看到了以下內容:
[bykovan@docflow alfresco-data-backup]$ ls -lh
-rw-r--r-- 1 root root 0 feb 17 18:39 17-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 18 00:00 18-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 19 00:00 19-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 20 00:00 20-02-2017.alfresco.backup
-rw-r--r-- 1 root root 0 feb 21 19:41 21-02-2017.alfresco.backup
-rw-r--r-- 1 root root 667K feb 22 07:04 22-02-2017.alfresco.backup
但是通過cron運行任務給了我空文件...
我哪里錯了?
我在腳本中設置了密碼,現在看起來像這樣:
PGPASSWORD="some_password" pg_dump -h localhost -U postgres -Fc -Z9 -c -f /home/bykovan/alfresco-data-backup/"`date +%d-%m-%Y`".alfresco.backup alfresco
現在一切正常。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.