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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Samezhao