feat: add preference sorting and multi-ok DC prioritization in replication pipeline

Modules/NetAppService.ps1

@@ -225,6 +225,7 @@ function Get-NetAppActiveDc {
 
                         $srvIp = if ($ds.server_ip) { $ds.server_ip } else { "" }
                         $srvType = if ($ds.server_type) { $ds.server_type } elseif ($ds.type) { $ds.type } else { "dc" }
+                        $srvPref = if ($ds.preference) { $ds.preference.ToString().ToLower() } else { "regular" }
                         $srvState = if ($ds.state) { $ds.state } elseif ($ds.status) { $ds.status } else { "unknown" }
                         $srvNode = if ($ds.node -and $ds.node.name) { $ds.node.name }
                                    elseif ($ds.node) { $ds.node.ToString() } else { "node-01" }
@@ -234,6 +235,7 @@ function Get-NetAppActiveDc {
                             ServerName = $srvName
                             ServerIp   = $srvIp
                             ServerType = $srvType
+                            Preference = $srvPref
                             State      = $srvState
                             Node       = $srvNode
                             Domain     = $srvDomain
@@ -243,11 +245,25 @@ function Get-NetAppActiveDc {
                 }
             }
 
-            # 1순위: 상태가 "ok", "active", "up" 이면서 type이 DC인 서버
+            # OK 상태인 DC 후보군 추출
-            $bestMatch = $discoveredList | Where-Object {
+            $okDcList = @($discoveredList | Where-Object {
                 ($_.State -like "*ok*" -or $_.State -like "*up*" -or $_.State -like "*active*") -and
                 ($_.ServerType -like "*dc*" -or $_.ServerType -like "*primary*")
-            } | Select-Object -First 1
+            })
+
+            # OK 상태인 고유 DC FQDN 목록
+            $allOkDcNames = @($okDcList | Select-Object -ExpandProperty ServerName -Unique)
+
+            # 1순위: OK 상태 중 Preference 가중치 정렬 (preferred: 1, favored: 2, regular: 3)
+            $sortedOkDcs = @($okDcList | Sort-Object -Property @{
+                Expression = {
+                    if ($_.Preference -eq "preferred") { 1 }
+                    elseif ($_.Preference -eq "favored") { 2 }
+                    else { 3 }
+                }
+            })
+
+            $bestMatch = if ($sortedOkDcs.Count -gt 0) { $sortedOkDcs[0] } else { $null }
 
             # 2순위: 상태 무관 DC 타입 서버
             if (-not $bestMatch) {
@@ -265,6 +281,7 @@ function Get-NetAppActiveDc {
                 return [PSCustomObject]@{
                     ActiveDC             = $bestMatch.ServerName
                     ActiveDcIp           = $bestMatch.ServerIp
+                    Preference           = $bestMatch.Preference
                     Node                 = $bestMatch.Node
                     SvmName              = $bestMatch.SvmName
                     Status               = "OK (Active Connected)"
@@ -273,6 +290,8 @@ function Get-NetAppActiveDc {
                     IsLive               = $true
                     DiscoveryMethod      = "ONTAP REST API (/api/protocols/cifs/domains)"
                     DiscoveredServerCount= $discoveredList.Count
+                    OkCount              = $allOkDcNames.Count
+                    AllOkDcs             = $allOkDcNames
                     AllDiscoveredServers = $discoveredList.ToArray()
                 }
             }
@@ -321,6 +340,7 @@ function Get-NetAppActiveDc {
     return [PSCustomObject]@{
         ActiveDC             = "dc04.corp.local"
         ActiveDcIp           = "10.20.1.14"
+        Preference           = "preferred"
         Node                 = "ontap-node-02"
         SvmName              = if ($svm) { $svm } else { "svm_cifs_prod01" }
         Status               = "OK (Simulated Active Binding)"
@@ -329,10 +349,12 @@ function Get-NetAppActiveDc {
         IsLive               = $false
         DiscoveryMethod      = "ONTAP Domain Discovery (Simulated)"
         DiscoveredServerCount= 2
+        OkCount              = 2
+        AllOkDcs             = @("dc04.corp.local", "dc01.corp.local")
         FallbackReason       = if ($attemptErrors.Count -gt 0) { ($attemptErrors -join "; ") } else { "Live mode not configured" }
         AllDiscoveredServers = @(
-            [PSCustomObject]@{ ServerName = "dc04.corp.local"; ServerIp = "10.20.1.14"; ServerType = "ms_dc"; State = "ok"; Node = "ontap-node-02"; SvmName = "svm_cifs_prod01" },
+            [PSCustomObject]@{ ServerName = "dc04.corp.local"; ServerIp = "10.20.1.14"; ServerType = "ms_dc"; Preference = "preferred"; State = "ok"; Node = "ontap-node-02"; SvmName = "svm_cifs_prod01" },
-            [PSCustomObject]@{ ServerName = "dc01.corp.local"; ServerIp = "10.10.1.11"; ServerType = "ms_dc"; State = "ok"; Node = "ontap-node-01"; SvmName = "svm_cifs_prod01" }
+            [PSCustomObject]@{ ServerName = "dc01.corp.local"; ServerIp = "10.10.1.11"; ServerType = "ms_dc"; Preference = "favored"; State = "ok"; Node = "ontap-node-01"; SvmName = "svm_cifs_prod01" }
         )
     }
 }

Start-App.ps1

@@ -1067,18 +1067,26 @@ function Navigate-ToPage {
                                             [System.Threading.Monitor]::Exit($sync.Logs)
                                         }
 
-                                        # 3. Background Sync to the other 5 DCs
+                                        # 3. Background Sync to the other 5 DCs (NetApp의 다른 OK 상태 DC들을 최우선 복제)
                                         if ($pBgSync) {
                                             $sync.Status = "3/5단계: 타 도메인 컨트롤러(5대) 백그라운드 복제 큐잉..."
                                             Start-Sleep -Milliseconds 150
                                             $allDcs = Get-ADDomainControllers -Config $cfg
                                             $otherDcs = @($allDcs | Where-Object { $_.HostName -ne $targetDc })
-                                            foreach ($odc in $otherDcs) {
+                                            
+                                            # NetApp에서 OK 상태로 감지된 추가 DC가 있다면 최우선 순위로 정렬하여 먼저 동기화
+                                            $priorityDcNames = if ($activeDcInfo.AllOkDcs) { @($activeDcInfo.AllOkDcs | Where-Object { $_ -ne $targetDc }) } else { @() }
+                                            $sortedTargetDcs = @($otherDcs | Sort-Object -Property @{
+                                                Expression = { if ($priorityDcNames -contains $_.HostName) { 0 } else { 1 } }
+                                            })
+
+                                            foreach ($odc in $sortedTargetDcs) {
                                                 $null = Sync-ADObjectToTargetDc -ObjectDN "CN=$pShare,OU=SecurityGroups,DC=corp,DC=local" -SourceDc $targetDc -DestinationDc $odc.HostName -Config $cfg
                                             }
                                             [System.Threading.Monitor]::Enter($sync.Logs)
                                             try {
-                                                $sync.Logs.Add("[$((Get-Date).ToString('yyyy-MM-dd HH:mm:ss'))] [단계 3] 6대 DC 복제 동기화: NetApp 활성 DC($targetDc) -> 5대 DC 비동기 복제 전송 완료")
+                                                $pMsg = if ($priorityDcNames.Count -gt 0) { " (NetApp OK 후보 DC [$(($priorityDcNames) -join ', ')] 우선 복제)" } else { "" }
+                                                $sync.Logs.Add("[$((Get-Date).ToString('yyyy-MM-dd HH:mm:ss'))] [단계 3] 6대 DC 복제 동기화: NetApp 활성 DC($targetDc) -> 5대 DC 비동기 복제 전송 완료$pMsg")
                                             } finally {
                                                 [System.Threading.Monitor]::Exit($sync.Logs)
                                             }