Dynamic server value in powershell - variables

Question

I am using below query to get the server details,
$intFreeSpace = Get-WmiObject -Class win32_logicalDisk -ComputerName Server1,server2 | Select-Object SystemName, deviceid, freespace, size
Now, instead of hard coded value I tried to supply server value from a variable like below
$serverlist = "server1,server2"
$intFreeSpace = Get-WmiObject -Class win32_logicalDisk -ComputerName $serverlist | Select-Object SystemName, deviceid, freespace, size
but this isn't working, any solution?
Edit:
ServerList = #("Server1") #Initialization with dummy value to insure that variable will be an array
if($row[0] -eq "ServerList"){
$ServerList= $row[1]
}
WRITE-HOST $ServerList
Output: Server1,Server2
It is working fine when my column value is Server1.

Answer 1

Pass in an array, instead! Otherwise, you make an attempt on 'one' computer called "server1,server2".
$serverlist = #("server1","server2")
$intFreeSpace = Get-WmiObject -Class win32_logicalDisk -ComputerName $serverlist | Select-Object SystemName, deviceid, freespace, size
EDIT: Bill is right, you'll need to turn your string of servers into an array. Since the result is comma delimited, you can -split on the comma. This leaves you with an array.
$serverlist = $serverlist -split ','
$intFreeSpace = Get-WmiObject -Class win32_logicalDisk -ComputerName $serverlist | Select-Object SystemName, deviceid, freespace, size