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Invoke-DbaAgFailover

Mon Jan 13, 2020 12:10 pm

NAME Invoke-DbaAgFailover



SYNOPSIS

Failover an availability group.





SYNTAX

Invoke-DbaAgFailover [[-SqlInstance] <Sqlcollaborative.Dbatools.Parameter.DbaInstanceParameter[]>]

[[-SqlCredential] <Pscredential>] [[-AvailabilityGroup] <System.String[]>] [[-InputObject]

<Microsoft.SqlServer.Management.Smo.AvailabilityGroup[]>] [-Force <Switch>] [-EnableException <Switch>]

[<CommonParameters>]





DESCRIPTION

Failover an availability group.





PARAMETERS

-AvailabilityGroup [<System.String[]>]

Only failover specific availability groups.



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



-Force [<Switch>]

Force Failover and allow data loss



Required? false

Position? named

Default value

Accept pipeline input? False

Accept wildcard characters? false



-InputObject [<Microsoft.SqlServer.Management.Smo.AvailabilityGroup[]>]

Enables piping from Get-DbaAvailabilityGroup



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 SQL Server instance. Server version must be SQL Server version 2012 or higher.



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: AvailabilityGroup, HA, AG

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:\\>Invoke-DbaAgFailover -SqlInstance sql2017 -AvailabilityGroup SharePoint



Safely (no potential data loss) fails over the SharePoint AG to sql2017. Prompts for confirmation.

-------------------------- EXAMPLE 2 --------------------------



PS C:\\>Get-DbaAvailabilityGroup -SqlInstance sql2017 | Out-GridView -Passthru | Invoke-DbaAgFailover

-Confirm:$false



Safely (no potential data loss) fails over the selected availability groups to sql2017. Does not prompt for

confirmation.

-------------------------- EXAMPLE 3 --------------------------



PS C:\\>Invoke-DbaAgFailover -SqlInstance sql2017 -AvailabilityGroup SharePoint -Force



Forcefully (with potential data loss) fails over the SharePoint AG to sql2017. Prompts for confirmation.



RELATED LINKS

https://dbatools.io/Invoke-DbaAgFailover