diff --git a/backupmult.ps1 b/backupmult.ps1
index e7ec63e..02e2128 100644
--- a/backupmult.ps1
+++ b/backupmult.ps1
@@ -16,13 +16,12 @@ param(
 # Each job will automatically share the database load using DatabasesInParallel=Y
 
 # TODO: Log file management (don't just overwrite existing logs)
-# TODO: Dynmically figure out MV channels and paths using Rubrik API
 # TODO: See if there is way to query QueueDatabase during backup to monitor progress
 
 $fullBackupDay = 'Thursday'
 $fullBackupOverdueDays = 7
 $instanceName = $SqlInstance.Split('\')[1]
-$logFile = "C:\Rubrik\backup-multi-$instanceName.log"
+$logFile = "C:\Rubrik\logs\backup_$instanceName.log"
 $SAFile = "C:\Rubrik\scripts\rbksql.xml"
 
 function Write-Log($message, $jobId = "") {
@@ -101,7 +100,13 @@ if ($clusterInstance) {
         $query.var.filter = @(Get-RscType -Name Filter)
         $query.var.filter[0].field = "NAME_EXACT_MATCH"
         $query.var.filter[0].Texts = $mvName
-        $mvDetail = $query.Invoke().nodes[0]
+        $mvResult = $query.Invoke()
+        if (-not $mvResult.nodes -or $mvResult.nodes.Count -eq 0) {
+            Write-Log "ERROR: Managed Volume '$mvName' not found. This may be due to insufficient permissions or the volume not existing."
+            Disconnect-Rsc
+            exit 1
+        }
+        $mvDetail = $mvResult.nodes[0]
 
         Write-Log "Found Managed Volume: $($mvDetail.Name) (ID: $($mvDetail.Id), Status: $($mvDetail.hostDetail.Status), HostDetail Name: $($mvDetail.hostDetail.Name))"
 
@@ -119,12 +124,19 @@ if ($clusterInstance) {
         $query.Var.input.update.slaClientConfig.clientHostId = $newHost.Id
         $query.Var.input.update.slaClientConfig.channelHostMountPaths = $mvDetail.ClientConfig.ChannelHostMountPaths
         $query.Var.input.update.slaClientConfig.backupScriptCommand = $mvDetail.ClientConfig.BackupScript.ScriptCommand
-        $query.Var.input.update.slaClientConfig.preBackupScriptCommand = $mvDetail.ClientConfig.PreBackupScript.ScriptCommand
-        $query.Var.input.update.slaClientConfig.preBackupScriptTimeout = $mvDetail.ClientConfig.PreBackupScript.Timeout
+      
+        # Only set pre-backup script fields if a pre-backup script was configured
+        if ($mvDetail.ClientConfig.PreBackupScript.ScriptCommand) {
+            $query.Var.input.update.slaClientConfig.preBackupScriptCommand = $mvDetail.ClientConfig.PreBackupScript.ScriptCommand
+            $query.Var.input.update.slaClientConfig.preBackupScriptTimeout = $mvDetail.ClientConfig.PreBackupScript.Timeout
+            $query.Var.input.update.slaClientConfig.shouldCancelBackupOnPreBackupScriptFailure = $mvDetail.ClientConfig.ShouldCancelBackupOnPreBackupScriptFailure
+            $query.Var.input.update.slaClientConfig.shouldDisablePreBackupScript = $false
+        } else {
+            $query.Var.input.update.slaClientConfig.shouldDisablePreBackupScript = $true
+        }
+        
         $query.Var.input.update.slaClientConfig.shouldDisablePostBackupScriptOnBackupFailure = $true
         $query.Var.input.update.slaClientConfig.shouldDisablePostBackupScriptOnBackupSuccess = $true
-        $query.Var.input.update.slaClientConfig.shouldDisablePreBackupScript = $false
-        $query.Var.input.update.slaClientConfig.shouldCancelBackupOnPreBackupScriptFailure = $mvDetail.ClientConfig.ShouldCancelBackupOnPreBackupScriptFailure
 
         $query.gqlRequest().Variables
 
@@ -155,9 +167,14 @@ try {
     $query.var.filter = @(Get-RscType -Name Filter)
     $query.var.filter[0].field = "NAME_EXACT_MATCH"
     $query.var.filter[0].Texts = $MvName
-    $mvDetail = $query.Invoke().nodes[0]
+    $mvDetail = $query.Invoke()
     
-    $paths = $mvDetail.ClientConfig.ChannelHostMountPaths
+    if (-not $mvDetail.nodes -or $mvDetail.nodes.Count -eq 0) {
+        Write-Log "ERROR: Managed Volume '$MvName' not found. This may be due to insufficient permissions or the volume not existing."
+        exit 1
+    }
+    
+    $paths = $mvDetail.nodes[0].ClientConfig.ChannelHostMountPaths
     Write-Log "INFO: Retrieved paths: $($paths -join ', ')"
 } catch {
     Write-Log "ERROR: Failed to retrieve paths from Rubrik. $($_.Exception.Message)"
@@ -208,7 +225,13 @@ function Get-BackupType($directoryParam) {
             if (-not (Test-Path $flagDir)) {
                 New-Item -ItemType Directory -Path $flagDir -Force | Out-Null
             }
-            Set-Content $fullFlag $today.ToString("yyyy-MM-dd") -Encoding UTF8
+            try {
+                Set-Content $fullFlag $today.ToString("yyyy-MM-dd") -Encoding UTF8
+                Write-Log "INFO: Created full backup flag file: $fullFlag"
+            } catch {
+                Write-Log "ERROR: Failed to create full backup flag file: $fullFlag. $($_.Exception.Message)"
+                # Continue with backup but flag won't be set
+            }
             $reason = if($isFullBackupOverdue) { "overdue" } else { "scheduled" }
             return @{ Type = "FULL"; CleanupTime = 168; Reason = $reason }
         } else {
@@ -221,7 +244,13 @@ function Get-BackupType($directoryParam) {
             if (-not (Test-Path $flagDir)) {
                 New-Item -ItemType Directory -Path $flagDir -Force | Out-Null
             }
-            Set-Content $diffFlag $today.ToString("yyyy-MM-dd") -Encoding UTF8
+            try {
+                Set-Content $diffFlag $today.ToString("yyyy-MM-dd") -Encoding UTF8
+                Write-Log "INFO: Created diff backup flag file: $diffFlag"
+            } catch {
+                Write-Log "ERROR: Failed to create diff backup flag file: $diffFlag. $($_.Exception.Message)"
+                # Continue with backup but flag won't be set
+            }
             return @{ Type = "DIFF"; CleanupTime = 168; Reason = "differential scheduled" }
         } else {
             return @{ Type = "LOG"; CleanupTime = 24; Reason = "diff already taken today" }
@@ -425,7 +454,7 @@ for ($i = 1; $i -le $Jobs; $i++) {
     $job = Start-BackupJob -jobId $i -sqlInstance $SqlInstance -query $query -baseLogFile $logFile
     $null = $jobList.Add($job)
     Write-Log "Started backup job $i (Job ID: $($job.Id))"
-    Start-Sleep -Milliseconds 100  # Small delay to stagger job starts
+    Start-Sleep -Milliseconds 4000  # Delay to stagger job starts
 }
 
 # Monitor jobs and capture output
@@ -520,26 +549,26 @@ foreach ($job in $jobList) {
 }
 
 # Consolidate job logs into main log file
-Write-Log "Consolidating job logs..."
-for ($i = 1; $i -le $Jobs; $i++) {
-    $jobLogFile = $logFile -replace '\.log$', "-job$i.log"
-    Write-Log "Checking for job log file: $jobLogFile"
-    if (Test-Path $jobLogFile) {
-        try {
-            $jobContent = Get-Content $jobLogFile -ErrorAction Stop
-            Write-Log "Found $($jobContent.Count) lines in job $i log"
-            foreach ($line in $jobContent) {
-                Add-Content -Path $logFile -Value $line -Encoding UTF8
-            }
-            Remove-Item $jobLogFile -Force
-            Write-Log "Consolidated log from job $i"
-        } catch {
-            Write-Log "WARNING: Could not consolidate log from job $i : $($_.Exception.Message)"
-        }
-    } else {
-        Write-Log "WARNING: Job log file not found for job $i"
-    }
-}
+#Write-Log "Consolidating job logs..."
+#for ($i = 1; $i -le $Jobs; $i++) {
+#    $jobLogFile = $logFile -replace '\.log$', "-job$i.log"
+#    Write-Log "Checking for job log file: $jobLogFile"
+#    if (Test-Path $jobLogFile) {
+#        try {
+#            $jobContent = Get-Content $jobLogFile -ErrorAction Stop
+#            Write-Log "Found $($jobContent.Count) lines in job $i log"
+#            foreach ($line in $jobContent) {
+#                Add-Content -Path $logFile -Value $line -Encoding UTF8
+#            }
+#            # Remove-Item $jobLogFile -Force
+#            Write-Log "Consolidated log from job $i"
+#        } catch {
+#            Write-Log "WARNING: Could not consolidate log from job $i : $($_.Exception.Message)"
+#        }
+#    } else {
+#        Write-Log "WARNING: Job log file not found for job $i"
+#    }
+#}
 
 # Final status check using job output analysis
 $failedJobIds = $jobResults.Keys | Where-Object { $jobResults[$_].Failed -eq $true }