Add-PSSnapin microsoft.exchange*
Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010
$servers="mailbox1","mailbox2"
$i_Object = New-Object PSObject
foreach ($server in $servers)
    {
    $status=Get-MailboxDatabaseCopyStatus -Server $server | % {$_.status}
    if ($status | ? {$_ -notmatch "Healthy|Mounted" -and $_ -ne""} )
       {$status = "1"} #1表示OK
    else
       {$status = "0"} #0表示bad
    $i_object | Add-Member -MemberType NoteProperty -name $server -value $status
    }

$i_object |fl