Sql server 2008 使用powershell备份SQL数据库时出错
我正在尝试备份SQL数据库,但奇怪的是使用lpace,我可以用powershell备份的数据库很少,但我很少出错Sql server 2008 使用powershell备份SQL数据库时出错,sql-server-2008,powershell,Sql Server 2008,Powershell,我正在尝试备份SQL数据库,但奇怪的是使用lpace,我可以用powershell备份的数据库很少,但我很少出错 Exception calling "SqlBackup" with "1" argument(s): "Backup failed for Server 'Server1'. " At C:\_Scripts\defaultbackup.ps1:40 char:1 + $smoBackup.SqlBackup($server) + ~~~~~~~~~~~~~~~~~~~~~~~~
Exception calling "SqlBackup" with "1" argument(s): "Backup failed for Server
'Server1'. "
At C:\_Scripts\defaultbackup.ps1:40 char:1
+ $smoBackup.SqlBackup($server)
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [], MethodInvocationException
+ FullyQualifiedErrorId : FailedOperationException
$dbToBackup = "test"
#clear screen
cls
#load assemblies
#note need to load SqlServer.SmoExtended to use SMO backup in SQL Server 2008
#otherwise may get this error
#Cannot find type [Microsoft.SqlServer.Management.Smo.Backup]: make sure
#the assembly containing this type is loaded.
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SMO") | Out-Null
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoExtended") |
Out-Null
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.ConnectionInfo")
| Out-Null
[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SqlServer.SmoEnum") | Out-
Null
#create a new server object
$server = New-Object ("Microsoft.SqlServer.Management.Smo.Server") "(local)"
$backupDirectory = $server.Settings.BackupDirectory
"Default Backup Directory: " + $backupDirectory
$db = $server.Databases[$dbToBackup]
$dbName = $db.Name
$timestamp = Get-Date -format yyyyMMddHHmmss
$smoBackup = New-Object ("Microsoft.SqlServer.Management.Smo.Backup")
#BackupActionType specifies the type of backup.
#Options are Database, Files, Log
#This belongs in Microsoft.SqlServer.SmoExtended assembly
$smoBackup.Action = "Database"
$smoBackup.BackupSetDescription = "Full Backup of " + $dbName
$smoBackup.BackupSetName = $dbName + " Backup"
$smoBackup.Database = $dbName
$smoBackup.MediaDescription = "Disk"
$smoBackup.Devices.AddDevice($backupDirectory + "\" + $dbName + "_" + $timestamp +
".bak",
"File")
$smoBackup.SqlBackup($server)
#let's confirm, let's list list all backup files
$directory = Get-ChildItem $backupDirectory
$smoBackup.Devices.AddDevice($backupDirectory+“\”+$dbName+“\u“+$timestamp+”.bak”,“File”)
$smoBackup.SqlBackup($server)
让我们确认一下,让我们列出所有备份文件
$directory=Get ChildItem$backupDirectory
仅列出以.bak结尾的文件,假设这是所有备份文件的约定
取代
取代
由于您可以备份很少的数据,而且很少有失败的数据,所以脚本似乎还可以。为什么不添加异常处理来捕获准确的错误呢。 您可能需要修改代码,如下所示
Try
{
$smoBackup.SqlBackup($server
}
Catch
{
Write-Output $_.Exception.InnerException
}
由于您可以备份很少的数据,而且很少有失败的数据,所以脚本似乎还可以。为什么不添加异常处理来捕获准确的错误呢。 您可能需要修改代码,如下所示
Try
{
$smoBackup.SqlBackup($server
}
Catch
{
Write-Output $_.Exception.InnerException
}
我在互联网上读到,通过在脚本中使用此选项,可以对该问题进行排序,但我不确定将这一行放在脚本上方的什么位置将ConnectionContext.StatementTimeout设置为0我在互联网上读到,通过在脚本中使用此选项,可以对该问题进行排序,但我不确定将这一行放在脚本上方的什么位置ConnectionContext.StatementTimeout到0我遇到了同样的问题,备份有时似乎失败,昨天成功了,但今天没有,没有任何原因。我将尝试一下,如果成功,我将给出反馈!但我不会使用“LoginSecure”开关,因为我不确定是否需要它,Timeout属性可能就足够了。我遇到了同样的问题,备份有时会失败,它昨天起作用,但今天没有,没有任何原因。我将尝试一下,如果成功,我将给出反馈!但是我不会使用“LoginSecure”开关,因为我不确定它是否是必需的,Timeout属性可能就足够了。
$srv = New-Object ("Microsoft.SqlServer.Management.Smo.Server") "(local)"
$conContext = $srv.ConnectionContext
$conContext.LoginSecure = $True
$conContext.ConnectTimeout = 0
$server = new-object Microsoft.SqlServer.Management.Smo.Server($conContext)
Try
{
$smoBackup.SqlBackup($server
}
Catch
{
Write-Output $_.Exception.InnerException
}