Clone SharePoint 2013 Search components to new Server
Link: https://www.fpweb.net/blog/move-sharepoint-2013-search-components-to-new-server
$ssa = Get-SPEnterpriseSearchServiceApplication
$active = Get-SPEnterpriseSearchTopology -SearchApplication $ssa –Active
$clone = New-SPEnterpriseSearchTopology -SearchApplication $ssa -Clone –SearchTopology $active
$NewServer = Get-SPEnterpriseSearchServiceInstance -Identity "NewServerName"
Start-SPEnterpriseSearchServiceInstance -Identity $NewServer
Start-SPEnterpriseSearchQueryAndSiteSettingsServiceInstance -Identity $NewServer
Get-SPEnterpriseSearchServiceInstance -Identity $NewServer
New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $clone -SearchServiceInstance $NewServer
New-SPEnterpriseSearchAnalyticsProcessingComponent -SearchTopology $clone -SearchServiceInstance $NewServer
New-SPEnterpriseSearchContentProcessingComponent -SearchTopology $clone -SearchServiceInstance $NewServer
New-SPEnterpriseSearchCrawlComponent -SearchTopology $clone -SearchServiceInstance $NewServer
New-SPEnterpriseSearchIndexComponent -SearchTopology $clone -IndexPartition 0 -SearchServiceInstance $NewServer
Set-SPEnterpriseSearchTopology -Identity $clone
Change the default search topology in SharePoint Server 2013
https://technet.microsoft.com/en-us/library/jj862356.aspx
Configuring SharePoint 2013 Search with PowerShell
https://blogs.technet.microsoft.com/ptsblog/2013/09/19/configuring-sharepoint-2013-search-with-powershell/
SharePoint 2013 Search: Moving the Query Component to a Web Front End
http://stevemannspath.blogspot.in/2013/03/sharepoint-2013-search-moving-query.html
