从 SQL Server 到 Blob 容器的数据库备份在 24 分钟时失去连接
[英]Database Backup from SQL Server to Blob Container losing connection at 24 minute time
问题描述
From SQL Server 2014, I am using a saved Credential to my Azure File Storage.
从 SQL Server 2014 开始，我将保存的凭据用于 Azure 文件存储。 For a small database, using BACKUP DATABASE command, the backup was successful to the Azure storage container.对于小型数据库，使用BACKUP DATABASE 命令，成功备份到Azure 存储容器。 Fora large database, over 6TB, I expected the backup to take quite a while.对于超过 6TB 的大型数据库，我预计备份需要很长时间。 However, once the backup reaches a few seconds short of 24 minutes, it errors with the following error message (* values are hidden for security).但是，一旦备份达到不到 24 分钟的几秒钟，它就会出错并显示以下错误消息（* 为安全起见，隐藏了值）。
Executing the query "BACKUP DATABASE [Sup_********_249243_13dec19] TO..." failed with the following error: "Write on "https:// storageaccountname .blob.core.windows.net/dbdumps/Sup_********_249243_13dec19_backup_2019_12_26_125220_1290224.bak" failed: 1117(The request could not be performed because of an I/O device error.)
SQL Command (items hidden for security): SQL 命令（为了安全而隐藏的项目）：
BACKUP DATABASE [Sup_********_249243_13dec19]
TO URL = N'https://***storageaccountname***.blob.core.windows.net/dbdumps/Sup_********_249243_13dec19_backup_2019_12_26_125220_1290224.bak'
WITH NOFORMAT, NOINIT,
NAME = N'Sup_********_249243_13dec19_backup_2019_12_26_125220_1290224', SKIP, REWIND, NOUNLOAD, COMPRESSION, STATS = 10
GO
While the job is running, I see the file in the storage container, with active Lease.当作业正在运行时，我在存储容器中看到该文件，并且具有活动的 Lease。 However, I cannot see where I can change the default Lease time.但是，我看不到在哪里可以更改默认租用时间。
1 个解决方案
解决方案1
1 2019-12-26 20:21:14
Answer (to be tested) found at: https://docs.microsoft.com/en-us/sql/relational-databases/backup-restore/sql-server-backup-to-url-best-practices-and-troubleshooting?view=sql-server-ver15答案（待测试）位于： https : //docs.microsoft.com/en-us/sql/relational-databases/backup-restore/sql-server-backup-to-url-best-practices-and-troubleshooting ?view=sql-server-ver15
Consider COMPRESSION, MAXTRANSFERSIZE, BLOCKSIZE and multiple URL arguments when backing up large databases.备份大型数据库时，请考虑 COMPRESSION、MAXTRANSFERSIZE、BLOCKSIZE 和多个 URL 参数。 See Backing up a VLDB to Azure Blob Storage ( https://blogs.msdn.microsoft.com/sqlcat/2017/03/10/backing-up-a-vldb-to-azure-blob-storage/ )请参阅将 VLDB 备份到 Azure Blob 存储 ( https://blogs.msdn.microsoft.com/sqlcat/2017/03/10/backing-up-a-vldb-to-azure-blob-storage/ )
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