数据库日常维护-CheckList_02有关数据库备份检查

数据库备份是DB日常运维中最基本的也是最重要的工作，很多情况下都是做成作业形式实现自动化周期性的做全备、差异以及日志备份。那么，如果作业出现问题没有完成工作，我们可以设置自动报警如email被动提醒我们，当然也可以使用下面脚本主动地对多个数据库服务上数据库备份情况做详细了解，详细代码分享如下：

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--前一周所有数据库备份情况

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SELECT

CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,

msdb.dbo.backupset.database_name,

msdb.dbo.backupset.backup_start_date,

msdb.dbo.backupset.backup_finish_date,

msdb.dbo.backupset.expiration_date,

CASE msdb..backupset.type

WHEN 'D' THEN 'Database'

WHEN 'L' THEN 'Log'

END AS backup_type,

msdb.dbo.backupset.backup_size,

msdb.dbo.backupmediafamily.logical_device_name,

msdb.dbo.backupmediafamily.physical_device_name,

msdb.dbo.backupset.name AS backupset_name,

msdb.dbo.backupset.description

FROM msdb.dbo.backupmediafamily

INNER JOIN msdb.dbo.backupset ON msdb.dbo.backupmediafamily.media_set_id = msdb.dbo.backupset.media_set_id

WHERE (CONVERT(datetime, msdb.dbo.backupset.backup_start_date, 102) >= GETDATE() - 7)

ORDER BY

msdb.dbo.backupset.database_name,

msdb.dbo.backupset.backup_finish_date

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--近期每个数据库的备份情况

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SELECT

CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,

msdb.dbo.backupset.database_name,

MAX(msdb.dbo.backupset.backup_finish_date) AS last_db_backup_date

FROM msdb.dbo.backupmediafamily

INNER JOIN msdb.dbo.backupset ON msdb.dbo.backupmediafamily.media_set_id = msdb.dbo.backupset.media_set_id

WHERE msdb..backupset.type = 'D'

GROUP BY

msdb.dbo.backupset.database_name

ORDER BY

msdb.dbo.backupset.database_name

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--近期每个数据库备份-详细情况

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SELECT

A.[Server],

A.last_db_backup_date,

B.backup_start_date,

B.expiration_date,

B.backup_size,

B.logical_device_name,

B.physical_device_name,

B.backupset_name,

B.description

FROM

(

SELECT

CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,

msdb.dbo.backupset.database_name,

MAX(msdb.dbo.backupset.backup_finish_date) AS last_db_backup_date

FROM msdb.dbo.backupmediafamily

INNER JOIN msdb.dbo.backupset ON msdb.dbo.backupmediafamily.media_set_id = msdb.dbo.backupset.media_set_id

WHERE msdb..backupset.type = 'D'

GROUP BY

msdb.dbo.backupset.database_name

) AS A

LEFT JOIN (

SELECT

CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,

msdb.dbo.backupset.database_name,

msdb.dbo.backupset.backup_start_date,

msdb.dbo.backupset.backup_finish_date,

msdb.dbo.backupset.expiration_date,

msdb.dbo.backupset.backup_size,

msdb.dbo.backupmediafamily.logical_device_name,

msdb.dbo.backupmediafamily.physical_device_name,

msdb.dbo.backupset.name AS backupset_name,

msdb.dbo.backupset.description

FROM msdb.dbo.backupmediafamily

INNER JOIN msdb.dbo.backupset ON msdb.dbo.backupmediafamily.media_set_id = msdb.dbo.backupset.media_set_id

WHERE msdb..backupset.type = 'D'

) AS B

ON A.[server] = B.[server] AND A.[database_name] = B.[database_name] AND A.[last_db_backup_date] = B.[backup_finish_date]

ORDER BY

A.database_name

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--丢失备份

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--超过24小时的数据库备份

SELECT

CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,

msdb.dbo.backupset.database_name,

MAX(msdb.dbo.backupset.backup_finish_date) AS last_db_backup_date,

DATEDIFF(hh, MAX(msdb.dbo.backupset.backup_finish_date), GETDATE()) AS [Backup Age (Hours)]

FROM msdb.dbo.backupset

WHERE msdb.dbo.backupset.type = 'D'

GROUP BY msdb.dbo.backupset.database_name

HAVING (MAX(msdb.dbo.backupset.backup_finish_date) < DATEADD(hh, - 24, GETDATE()))

UNION

--没有任何备份历史

SELECT

CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,

master.dbo.sysdatabases.NAME AS database_name,

NULL AS [Last Data Backup Date],

9999 AS [Backup Age (Hours)]

FROM

master.dbo.sysdatabases LEFT JOIN msdb.dbo.backupset

ON master.dbo.sysdatabases.name = msdb.dbo.backupset.database_name

WHERE msdb.dbo.backupset.database_name IS NULL AND master.dbo.sysdatabases.name <> 'tempdb'

ORDER BY

msdb.dbo.backupset.database_name

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--检查所有备份文件大小 (GB)

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SELECT getdate() as,

b.server_name, Round(SUM(convert(float,b.backup_size) /1024.0/1024.0/1024.0),2) AS 'backup_size_GB',

Round(SUM(convert(float,b.compressed_backup_size)/1024.0/1024.0/1024.0),2) AS 'compressed_backup_size_GB' FROM msdb..backupset b

where b.database_name not in ('model','master','msdb','')

--and b.type='D'

AND backup_start_date>getdate()-1

GROUP BY b.server_name

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