Changing Search Topology in SharePoint 2013 - Run all 6 components in 2 App Servers

Ref Links:

This link is to split and run across 4 servers
https://technet.microsoft.com/en-us/library/jj862356(v=office.15).aspx

This link is to run same 6 components in 2 servers
http://blog.fpweb.net/modify-search-topology-in-sharepoint-server-2013/


$hostA = Get-SPEnterpriseSearchServiceInstance -Identity "SGTCX-SP2APP01"
$hostB = Get-SPEnterpriseSearchServiceInstance -Identity "SGTCX-SP2APP02"
Start-SPEnterpriseSearchServiceInstance -Identity $hostA
Start-SPEnterpriseSearchServiceInstance -Identity $hostB


Get-SPEnterpriseSearchServiceInstance -Identity $hostA
Get-SPEnterpriseSearchServiceInstance -Identity $hostB

$ssa = Get-SPEnterpriseSearchServiceApplication
$newTopology = New-SPEnterpriseSearchTopology -SearchApplication $ssa


New-SPEnterpriseSearchAdminComponent -SearchTopology $newTopology -SearchServiceInstance $hostA
New-SPEnterpriseSearchCrawlComponent -SearchTopology $newTopology -SearchServiceInstance $hostA
New-SPEnterpriseSearchContentProcessingComponent -SearchTopology $newTopology -SearchServiceInstance $hostA
New-SPEnterpriseSearchAnalyticsProcessingComponent -SearchTopology $newTopology -SearchServiceInstance $hostA
New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $newTopology -SearchServiceInstance $hostA
New-SPEnterpriseSearchIndexComponent -SearchTopology $newTopology -SearchServiceInstance $hostA -IndexPartition 0

New-SPEnterpriseSearchAdminComponent -SearchTopology $newTopology -SearchServiceInstance $hostB
New-SPEnterpriseSearchCrawlComponent -SearchTopology $newTopology -SearchServiceInstance $hostB
New-SPEnterpriseSearchContentProcessingComponent -SearchTopology $newTopology -SearchServiceInstance $hostB
New-SPEnterpriseSearchAnalyticsProcessingComponent -SearchTopology $newTopology -SearchServiceInstance $hostB
New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $newTopology -SearchServiceInstance $hostB
New-SPEnterpriseSearchIndexComponent -SearchTopology $newTopology -SearchServiceInstance $hostB -IndexPartition 0

Set-SPEnterpriseSearchTopology -Identity $newTopology

Get-SPEnterpriseSearchTopology -SearchApplication $ssa

Get-SPEnterpriseSearchStatus -SearchApplication $ssa -Text


Now stop in the other app servers

Stop-SPEnterpriseSearchServiceInstance -Identity "SGTCX-SP1APP01" (Where central admin is present)
Stop-SPEnterpriseSearchServiceInstance -Identity "SGTCX-SP1APP02" (Where central admin and other services are running)

$ssa = Get-SPServiceApplication –Name “Search Service Application”
$active = Get-SPEnterpriseSearchTopology -SearchApplication $ssa -Active
Get-SPEnterpriseSearchComponent -SearchTopology $active

The above 3 cmdlets are for finding index location, if the RootDirectory is not returning any results, then run the below 2 cmdlets


$ssa = Get-SPEnterpriseSearchServiceApplication
$ssa.AdminComponent.IndexLocation

This should show the correct Path. If you are not happy with this path, then run the below command to set the Index location to a drive which has more space.

Set-SPEnterpriseSearchServiceInstance -DefaultIndexLocation "D:\SP Search Index"


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