From 3a455dcb2069e3442dca7d27cfce2787f640582a Mon Sep 17 00:00:00 2001
From: David Okon <david.okon@hotmail.com>
Date: Mon, 4 May 2026 12:02:51 +0200
Subject: [PATCH 1/2] Customer addition to Module // Customer uses dynamic
 automount of /home which leads to division by zero - Customer suggested
 changes in VmDiskUsageTable.php and SimpleUsageBar.php

tried to fix indention

fixed typo

fixed typo

fixed indention

fixed indention
---
 library/Vspheredb/Web/Table/VmDiskUsageTable.php | 4 +++-
 library/Vspheredb/Web/Widget/SimpleUsageBar.php  | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/library/Vspheredb/Web/Table/VmDiskUsageTable.php b/library/Vspheredb/Web/Table/VmDiskUsageTable.php
index 993a24d2..7936545d 100644
--- a/library/Vspheredb/Web/Table/VmDiskUsageTable.php
+++ b/library/Vspheredb/Web/Table/VmDiskUsageTable.php
@@ -77,7 +77,9 @@ public function renderRow($row)
         }
 
         $free = Format::bytes($row->free_space)
-            . sprintf(' (%0.3f%%)', ($row->free_space / $row->capacity) * 100);
+            . ($row->capacity > 0
+                ? sprintf(' (%0.3f%%)', ($row->free_space / $row->capacity) * 100)
+                : ' (n/a)');
 
         $tr = $this::tr([
             $this::td($caption, [
diff --git a/library/Vspheredb/Web/Widget/SimpleUsageBar.php b/library/Vspheredb/Web/Widget/SimpleUsageBar.php
index eb6e46ce..942c0689 100644
--- a/library/Vspheredb/Web/Widget/SimpleUsageBar.php
+++ b/library/Vspheredb/Web/Widget/SimpleUsageBar.php
@@ -33,7 +33,9 @@ public function __construct($used, $total, $title)
 
     protected function assemble()
     {
-        $usedPercent = $this->used / $this->total;
+        $usedPercent = ($this->total > 0)
+            ? $this->used / $this->total
+            : 0;
 
         $bar = Html::tag('span', [
             'href' => '#',

From 67a2a8b2151fc58a398e899777ceee75fd4b70d5 Mon Sep 17 00:00:00 2001
From: David Okon <david.okon@hotmail.com>
Date: Mon, 4 May 2026 16:52:04 +0200
Subject: [PATCH 2/2] Added Customer suggestion when DiskCheck returns Unknown
 when disk Size is 0

---
 .../Monitoring/Rule/Definition/DiskUsageRuleDefinition.php     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/Vspheredb/Monitoring/Rule/Definition/DiskUsageRuleDefinition.php b/library/Vspheredb/Monitoring/Rule/Definition/DiskUsageRuleDefinition.php
index 77e9ad22..1c5530f3 100644
--- a/library/Vspheredb/Monitoring/Rule/Definition/DiskUsageRuleDefinition.php
+++ b/library/Vspheredb/Monitoring/Rule/Definition/DiskUsageRuleDefinition.php
@@ -37,6 +37,9 @@ public function getInternalDefaults(): array
 
     protected function checkDisk($disk, Settings $settings): ?SingleCheckResult
     {
+        if ((int) $disk->capacity === 0) {
+            return null;
+        }
         if ($filter = $settings->get('disk_path_filter')) {
             if (!$this->filterMatchesPath($filter, $disk->disk_path)) {
                 return null;