2014-02-08

#Login to server with farm account#

#==============================================================
#Search Service Application Configuration Settings 
#==============================================================  
$SearchApplicationPoolName = "<SP2013_Search_Service>" 
$SearchApplicationPoolAccountName = "<Search Service acoount>" 
$SearchServiceApplicationName = "SP2013 Search Service"
$SearchServiceApplicationProxyName = "SP2013 Search Service Proxy"
$DatabaseServer = "<Database Instance name>"
$DatabaseName = "SP2013_Search" 
#Confirm permission given on SQL Search instance
#Create search index folder on each server where your are configuring index partition
$IndexLocation<SERVER2> = "I:\SearchIndex<SERVER2>"
$IndexLocation<SERVER1> = "I:\SearchIndex<SERVER1>"


#==============================================================  
#Start Search Service Instance on <SERVER2> 
#============================================================== 
$SearchServiceInstance<SERVER2> = Get-SPEnterpriseSearchServiceInstance -local 
Write-Host -ForegroundColor DarkGray "Checking if SSI is Online on <SERVER2>" 
if($SearchServiceInstance<SERVER2>.Status -ne "Online") 
{  
 Write-Host -ForegroundColor Yellow "Starting Search Service Instance"  
 Start-SPEnterpriseSearchServiceInstance -Identity $SearchServiceInstance<SERVER2>  
 While ($SearchServiceInstance<SERVER2>.Status -ne "Online")  
 {  
 Start-Sleep -s 5  
 }  
 Write-Host -ForegroundColor Yellow "SSI on <SERVER2> is started" 
}


#==============================================================  
#Start Search Service Instance on <SERVER1> 
#============================================================== 
$SearchServiceInstance<SERVER1> = Get-SPEnterpriseSearchServiceInstance -Identity "<SERVER1>"
Write-Host -ForegroundColor DarkGray "Checking if SSI is Online on <SERVER1>" 
if($SearchServiceInstance<SERVER1>.Status -ne "Online") 
{  
 Write-Host -ForegroundColor Yellow "Starting Search Service Instance"  
 Start-SPEnterpriseSearchServiceInstance -Identity $SearchServiceInstance<SERVER1>  
 While ($SearchServiceInstance<SERVER1>.Status -ne "Online")  
 {  
 Start-Sleep -s 5  
 }  
 Write-Host -ForegroundColor Yellow "SSI on <SERVER1> is started" 
}

#==============================================================
#Search Application Pool 
#============================================================== 
Write-Host -ForegroundColor DarkGray "Checking if Search Application Pool exists" 
$SPServiceApplicationPool = Get-SPServiceApplicationPool -Identity $SearchApplicationPoolName -ErrorAction SilentlyContinue 
if (!$SPServiceApplicationPool) 
{  
 Write-Host -ForegroundColor Yellow "Creating Search Application Pool"  
 $SPServiceApplicationPool = New-SPServiceApplicationPool -Name $SearchApplicationPoolName -Account $SearchApplicationPoolAccountName -Verbose 
}

#==============================================================
#Search Service Application 
#============================================================== 
Write-Host -ForegroundColor DarkGray "Checking if SSA exists" 
$SearchServiceApplication = Get-SPEnterpriseSearchServiceApplication -Identity $SearchServiceApplicationName -ErrorAction SilentlyContinue
if (!$SearchServiceApplication) 
{  
 Write-Host -ForegroundColor Yellow "Creating Search Service Application"  
 $SearchServiceApplication = New-SPEnterpriseSearchServiceApplication -Name $SearchServiceApplicationName -ApplicationPool $SPServiceApplicationPool.Name -DatabaseServer  $DatabaseServer -DatabaseName $DatabaseName
}
Write-Host -ForegroundColor DarkGray "Checking if SSA Proxy exists" 
$SearchServiceApplicationProxy = Get-SPEnterpriseSearchServiceApplicationProxy -Identity $SearchServiceApplicationProxyName -ErrorAction SilentlyContinue 
if (!$SearchServiceApplicationProxy) 
{  
 Write-Host -ForegroundColor Yellow "Creating SSA Proxy"  
 New-SPEnterpriseSearchServiceApplicationProxy -Name $SearchServiceApplicationProxyName -SearchApplication $SearchServiceApplicationName 
}  
 
# <SERVER2> is the local server where the script is run.

#==============================================================  
#Cannot make changes to topology in Active State.  
#Create new topology to add components 
#==============================================================  
$InitialSearchTopology = $SearchServiceApplication | Get-SPEnterpriseSearchTopology -Active  
$NewSearchTopology = New-SPEnterpriseSearchTopology -SearchApplication $SearchServiceApplication


#==============================================================  
#Search Service Application Components on <SERVER2>  
#Creating all components except Index (created later)  
#============================================================== 
New-SPEnterpriseSearchAnalyticsProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2>

New-SPEnterpriseSearchContentProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2>

New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2>

New-SPEnterpriseSearchCrawlComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2>

New-SPEnterpriseSearchAdminComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2>


#============================================================== 
#Search Service Application Components on <SERVER1>. 
#Crawl, Query, and CPC 
#============================================================== 
New-SPEnterpriseSearchContentProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER1>

New-SPEnterpriseSearchQueryProcessingComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER1>

New-SPEnterpriseSearchCrawlComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER1>


#==============================================================  
#Index Components with replicas 
#==============================================================  
New-SPEnterpriseSearchIndexComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2> -IndexPartition 0 -RootDirectory $IndexLocation<SERVER2>

New-SPEnterpriseSearchIndexComponent -SearchTopology $NewSearchTopology -SearchServiceInstance $SearchServiceInstance<SERVER2> -IndexPartition 1 -RootDirectory $IndexLocation<SERVER2> 

#==============================================================  
#Setting Search Topology using Set-SPEnterpriseSearchTopology 
#============================================================== 
Set-SPEnterpriseSearchTopology -Identity $NewSearchTopology

#==============================================================  
#Clean-Up Operation 
#============================================================== 
Write-Host -ForegroundColor DarkGray "Deleting old topology" 
Remove-SPEnterpriseSearchTopology -Identity $InitialSearchTopology -Confirm:$false 
Write-Host -ForegroundColor Yellow "Old topology deleted"


#==============================================================  
#Check Search Topology 
#============================================================== 
Get-SPEnterpriseSearchStatus -SearchApplication $SearchServiceApplication -Text 
Write-Host -ForegroundColor Yellow "Search Service Application and Topology  is configured!!"


#============================================================================================================================================================================
# Please run the below command on other Search index server where you want to create replica of index partitions; this is another server where you are running search service.
#================================================================================================================================================================================

$IndexLocation<SERVER1> = "I:\SearchIndex<SERVER1>"
$newssi = Get-SPEnterpriseSearchServiceInstance -Identity "Local" 
# Clone the existing topology:
$ssa = Get-SPEnterpriseSearchServiceApplication
$activeTopology=Get-SPEnterpriseSearchTopology -Active -SearchApplication $ssa
$newTopology = New-SPEnterpriseSearchTopology -SearchTopology $activeTopology -SearchApplication $ssa -Clone
 
# Add a new index component and specify it is associated with the new index partition 1:

New-SPEnterpriseSearchIndexComponent -SearchTopology $newTopology -SearchServiceInstance $newssi -IndexPartition 1 -RootDirectory $IndexLocation<SERVER1>
New-SPEnterpriseSearchIndexComponent -SearchTopology $newTopology -SearchServiceInstance $newssi -IndexPartition 0 -RootDirectory $IndexLocation<SERVER1>

Set-SPEnterpriseSearchTopology -Identity $newTopology

 

About the author 

Sandeep Nadig