< Back
Test-DbaLastBackup
Post
NAME Test-DbaLastBackup
SYNOPSIS
Quickly and easily tests the last set of full backups for a server.
SYNTAX
Test-DbaLastBackup [[-SqlInstance] <Sqlcollaborative.Dbatools.Parameter.DbaInstanceParameter[]>] [[-SqlCredential]
<Pscredential>] [[-Database] <System.Object[]>] [[-ExcludeDatabase] <System.Object[]>] [[-Destination]
<DbaInstanceParameter>] [[-DestinationCredential] <System.Object>] [[-DataDirectory] <String>] [[-LogDirectory]
<String>] [[-Prefix] <String>] [-VerifyOnly <Switch>] [-NoCheck <Switch>] [-NoDrop <Switch>] [-CopyFile <Switch>]
[[-CopyPath] <String>] [[-MaxSize] <Int>] [[-DeviceType] <System.String[]>] [-IncludeCopyOnly <Switch>]
[-IgnoreLogBackup <Switch>] [[-AzureCredential] <String>] [[-InputObject]
<Microsoft.SqlServer.Management.Smo.Database[]>] [-EnableException <Switch>] [<CommonParameters>]
DESCRIPTION
Restores all or some of the latest backups and performs a DBCC CHECKDB.
1. Gathers information about the last full backups
2. Restores the backups to the Destination with a new name. If no Destination is specified, the originating SQL
Server instance wil be used.
3. The database is restored as "dbatools-testrestore-$databaseName" by default, but you can change
dbatools-testrestore to whatever you would like using -Prefix
4. The internal file names are also renamed to prevent conflicts with original database
5. A DBCC CHECKDB is then performed
6. And the test database is finally dropped
PARAMETERS
-AzureCredential [<String>]
The name of the SQL Server credential on the destination instance that holds the key to the azure storage
account.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-CopyFile [<Switch>]
If this switch is enabled, the backup file will be copied to the destination default backup location unless
CopyPath is specified.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-CopyPath [<String>]
Specifies a path relative to the SQL Server to copy backups when CopyFile is specified. If not specified will
use destination default backup location. If destination SQL Server is not local, admin UNC paths will be
utilized for the copy.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-Database [<System.Object[]>]
The database backups to test. If -Database is not provided, all database backups will be tested.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-DataDirectory [<String>]
Specifies an alternative directory for mdfs, ndfs and so on. The command uses the SQL Server's default data
directory for all restores.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-Destination [<DbaInstanceParameter>]
The destination server to use to test the restore. By default, the Destination will be set to the source server
If a different Destination server is specified, you must ensure that the database backups are on a shared
location
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-DestinationCredential [<System.Object>]
Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory -
Integrated are all supported.
For MFA support, please use Connect-DbaInstance.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-DeviceType [<System.String[]>]
Specifies a filter for backup sets based on DeviceTypes. Valid options are 'Disk','Permanent Disk Device',
'Tape', 'Permanent Tape Device','Pipe','Permanent Pipe Device','Virtual Device', in addition to custom
integers for your own DeviceTypes.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-EnableException [<Switch>]
By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.
This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables
advanced scripting.
Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own
try/catch.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-ExcludeDatabase [<System.Object[]>]
Exclude specific Database backups to test.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-IgnoreLogBackup [<Switch>]
If this switch is enabled, transaction log backups will be ignored. The restore will stop at the latest full
or differential backup point.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-IncludeCopyOnly [<Switch>]
If this switch is enabled, copy only backups will be counted as a last backup.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-InputObject [<Microsoft.SqlServer.Management.Smo.Database[]>]
Enables piping from Get-DbaDatabase
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-LogDirectory [<String>]
Specifies an alternative directory for ldfs. The command uses the SQL Server's default log directory for all
restores.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-MaxSize [<Int>]
Max size in MB. Databases larger than this value will not be restored.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-NoCheck [<Switch>]
If this switch is enabled, DBCC CHECKDB will be skipped
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-NoDrop [<Switch>]
If this switch is enabled, the newly-created test database will not be dropped.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-Prefix [<String>]
The database is restored as "dbatools-testrestore-$databaseName" by default. You can change
dbatools-testrestore to whatever you would like using this parameter.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-SqlCredential [<Pscredential>]
Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory -
Integrated are all supported.
For MFA support, please use Connect-DbaInstance.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-SqlInstance [<Sqlcollaborative.Dbatools.Parameter.DbaInstanceParameter[]>]
The target SQL Server instance or instances. Unlike many of the other commands, you cannot specify more than
one server.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-VerifyOnly [<Switch>]
If this switch is enabled, VERIFYONLY will be performed. An actual restore will not be executed.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
<CommonParameters>
This cmdlet supports the common parameters: Verbose, Debug,
ErrorAction, ErrorVariable, WarningAction, WarningVariable,
OutBuffer, PipelineVariable, and OutVariable. For more information, see
about_CommonParameters (https:/go.microsoft.com/fwlink/?LinkID=113216).
INPUTS
OUTPUTS
NOTES
Tags: DisasterRecovery, Backup, Restore
Author: Chrissy LeMaire (@cl), netnerds.net
Website: https://dbatools.io
Copyright: (c) 2018 by dbatools, licensed under MIT
License: MIT https://opensource.org/licenses/MIT
-------------------------- EXAMPLE 1 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016
Determines the last full backup for ALL databases, attempts to restore all databases (with a different name and
file structure), then performs a DBCC CHECKDB. Once the test is complete, the test restore will be dropped.
-------------------------- EXAMPLE 2 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -Database SharePoint_Config
Determines the last full backup for SharePoint_Config, attempts to restore it, then performs a DBCC CHECKDB.
-------------------------- EXAMPLE 3 --------------------------
PS C:\\>Get-DbaDatabase -SqlInstance sql2016, sql2017 | Test-DbaLastBackup
Tests every database backup on sql2016 and sql2017
-------------------------- EXAMPLE 4 --------------------------
PS C:\\>Get-DbaDatabase -SqlInstance sql2016, sql2017 -Database SharePoint_Config | Test-DbaLastBackup
Tests the database backup for the SharePoint_Config database on sql2016 and sql2017
-------------------------- EXAMPLE 5 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -Database model, master -VerifyOnly
Skips performing an action restore of the database and simply verifies the backup using VERIFYONLY option of the
restore.
-------------------------- EXAMPLE 6 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -NoCheck -NoDrop
Skips the DBCC CHECKDB check. This can help speed up the tests but makes it less tested. The test restores will
remain on the server.
-------------------------- EXAMPLE 7 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -DataDirectory E:\\bigdrive -LogDirectory L:\\bigdrive -MaxSize 10240
Restores data and log files to alternative locations and only restores databases that are smaller than 10 GB.
-------------------------- EXAMPLE 8 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2014 -Destination sql2016 -CopyFile
Copies the backup files for sql2014 databases to sql2016 default backup locations and then attempts restore from
there.
-------------------------- EXAMPLE 9 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2014 -Destination sql2016 -CopyFile -CopyPath
"\\\\BackupShare\\TestRestore\\"
Copies the backup files for sql2014 databases to sql2016 default backup locations and then attempts restore from
there.
RELATED LINKS
https://dbatools.io/Test-DbaLastBackup
SYNOPSIS
Quickly and easily tests the last set of full backups for a server.
SYNTAX
Test-DbaLastBackup [[-SqlInstance] <Sqlcollaborative.Dbatools.Parameter.DbaInstanceParameter[]>] [[-SqlCredential]
<Pscredential>] [[-Database] <System.Object[]>] [[-ExcludeDatabase] <System.Object[]>] [[-Destination]
<DbaInstanceParameter>] [[-DestinationCredential] <System.Object>] [[-DataDirectory] <String>] [[-LogDirectory]
<String>] [[-Prefix] <String>] [-VerifyOnly <Switch>] [-NoCheck <Switch>] [-NoDrop <Switch>] [-CopyFile <Switch>]
[[-CopyPath] <String>] [[-MaxSize] <Int>] [[-DeviceType] <System.String[]>] [-IncludeCopyOnly <Switch>]
[-IgnoreLogBackup <Switch>] [[-AzureCredential] <String>] [[-InputObject]
<Microsoft.SqlServer.Management.Smo.Database[]>] [-EnableException <Switch>] [<CommonParameters>]
DESCRIPTION
Restores all or some of the latest backups and performs a DBCC CHECKDB.
1. Gathers information about the last full backups
2. Restores the backups to the Destination with a new name. If no Destination is specified, the originating SQL
Server instance wil be used.
3. The database is restored as "dbatools-testrestore-$databaseName" by default, but you can change
dbatools-testrestore to whatever you would like using -Prefix
4. The internal file names are also renamed to prevent conflicts with original database
5. A DBCC CHECKDB is then performed
6. And the test database is finally dropped
PARAMETERS
-AzureCredential [<String>]
The name of the SQL Server credential on the destination instance that holds the key to the azure storage
account.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-CopyFile [<Switch>]
If this switch is enabled, the backup file will be copied to the destination default backup location unless
CopyPath is specified.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-CopyPath [<String>]
Specifies a path relative to the SQL Server to copy backups when CopyFile is specified. If not specified will
use destination default backup location. If destination SQL Server is not local, admin UNC paths will be
utilized for the copy.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-Database [<System.Object[]>]
The database backups to test. If -Database is not provided, all database backups will be tested.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-DataDirectory [<String>]
Specifies an alternative directory for mdfs, ndfs and so on. The command uses the SQL Server's default data
directory for all restores.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-Destination [<DbaInstanceParameter>]
The destination server to use to test the restore. By default, the Destination will be set to the source server
If a different Destination server is specified, you must ensure that the database backups are on a shared
location
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-DestinationCredential [<System.Object>]
Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory -
Integrated are all supported.
For MFA support, please use Connect-DbaInstance.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-DeviceType [<System.String[]>]
Specifies a filter for backup sets based on DeviceTypes. Valid options are 'Disk','Permanent Disk Device',
'Tape', 'Permanent Tape Device','Pipe','Permanent Pipe Device','Virtual Device', in addition to custom
integers for your own DeviceTypes.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-EnableException [<Switch>]
By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.
This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables
advanced scripting.
Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own
try/catch.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-ExcludeDatabase [<System.Object[]>]
Exclude specific Database backups to test.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-IgnoreLogBackup [<Switch>]
If this switch is enabled, transaction log backups will be ignored. The restore will stop at the latest full
or differential backup point.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-IncludeCopyOnly [<Switch>]
If this switch is enabled, copy only backups will be counted as a last backup.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-InputObject [<Microsoft.SqlServer.Management.Smo.Database[]>]
Enables piping from Get-DbaDatabase
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-LogDirectory [<String>]
Specifies an alternative directory for ldfs. The command uses the SQL Server's default log directory for all
restores.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-MaxSize [<Int>]
Max size in MB. Databases larger than this value will not be restored.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-NoCheck [<Switch>]
If this switch is enabled, DBCC CHECKDB will be skipped
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-NoDrop [<Switch>]
If this switch is enabled, the newly-created test database will not be dropped.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-Prefix [<String>]
The database is restored as "dbatools-testrestore-$databaseName" by default. You can change
dbatools-testrestore to whatever you would like using this parameter.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-SqlCredential [<Pscredential>]
Login to the target instance using alternative credentials. Accepts PowerShell credentials (Get-Credential).
Windows Authentication, SQL Server Authentication, Active Directory - Password, and Active Directory -
Integrated are all supported.
For MFA support, please use Connect-DbaInstance.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-SqlInstance [<Sqlcollaborative.Dbatools.Parameter.DbaInstanceParameter[]>]
The target SQL Server instance or instances. Unlike many of the other commands, you cannot specify more than
one server.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
-VerifyOnly [<Switch>]
If this switch is enabled, VERIFYONLY will be performed. An actual restore will not be executed.
Required? false
Position? named
Default value
Accept pipeline input? False
Accept wildcard characters? false
<CommonParameters>
This cmdlet supports the common parameters: Verbose, Debug,
ErrorAction, ErrorVariable, WarningAction, WarningVariable,
OutBuffer, PipelineVariable, and OutVariable. For more information, see
about_CommonParameters (https:/go.microsoft.com/fwlink/?LinkID=113216).
INPUTS
OUTPUTS
NOTES
Tags: DisasterRecovery, Backup, Restore
Author: Chrissy LeMaire (@cl), netnerds.net
Website: https://dbatools.io
Copyright: (c) 2018 by dbatools, licensed under MIT
License: MIT https://opensource.org/licenses/MIT
-------------------------- EXAMPLE 1 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016
Determines the last full backup for ALL databases, attempts to restore all databases (with a different name and
file structure), then performs a DBCC CHECKDB. Once the test is complete, the test restore will be dropped.
-------------------------- EXAMPLE 2 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -Database SharePoint_Config
Determines the last full backup for SharePoint_Config, attempts to restore it, then performs a DBCC CHECKDB.
-------------------------- EXAMPLE 3 --------------------------
PS C:\\>Get-DbaDatabase -SqlInstance sql2016, sql2017 | Test-DbaLastBackup
Tests every database backup on sql2016 and sql2017
-------------------------- EXAMPLE 4 --------------------------
PS C:\\>Get-DbaDatabase -SqlInstance sql2016, sql2017 -Database SharePoint_Config | Test-DbaLastBackup
Tests the database backup for the SharePoint_Config database on sql2016 and sql2017
-------------------------- EXAMPLE 5 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -Database model, master -VerifyOnly
Skips performing an action restore of the database and simply verifies the backup using VERIFYONLY option of the
restore.
-------------------------- EXAMPLE 6 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -NoCheck -NoDrop
Skips the DBCC CHECKDB check. This can help speed up the tests but makes it less tested. The test restores will
remain on the server.
-------------------------- EXAMPLE 7 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2016 -DataDirectory E:\\bigdrive -LogDirectory L:\\bigdrive -MaxSize 10240
Restores data and log files to alternative locations and only restores databases that are smaller than 10 GB.
-------------------------- EXAMPLE 8 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2014 -Destination sql2016 -CopyFile
Copies the backup files for sql2014 databases to sql2016 default backup locations and then attempts restore from
there.
-------------------------- EXAMPLE 9 --------------------------
PS C:\\>Test-DbaLastBackup -SqlInstance sql2014 -Destination sql2016 -CopyFile -CopyPath
"\\\\BackupShare\\TestRestore\\"
Copies the backup files for sql2014 databases to sql2016 default backup locations and then attempts restore from
there.
RELATED LINKS
https://dbatools.io/Test-DbaLastBackup