fix: count only physical disks in host Block I/O stats (#5540)

* fix: count only physical disks in host Block I/O stats and skip partitioned md arrays and test the Block I/O sum

apps/dokploy/__test__/monitoring/is-physical-disk.test.ts

@@ -0,0 +1,104 @@
+import {
+	getHostSystemStats,
+	isPhysicalDisk,
+} from "@dokploy/server/monitoring/utils";
+import { describe, expect, it, vi } from "vitest";
+
+const GiB = 1024 ** 3;
+const diskStat = (device: string, readGiB: number, writeGiB: number) => ({
+	device,
+	readBytes: { toBytes: () => readGiB * GiB },
+	writeBytes: { toBytes: () => writeGiB * GiB },
+});
+
+vi.mock("node-os-utils", () => ({
+	OSUtils: class {
+		cpu = { usage: async () => ({ success: false }) };
+		memory = { info: async () => ({ success: false }) };
+		network = { overview: async () => ({ success: false }) };
+		disk = {
+			stats: async () => ({
+				success: true,
+				data: [
+					diskStat("nvme0n1", 50, 100),
+					diskStat("nvme0n1p1", 50, 100),
+					diskStat("nvme1n1", 50, 100),
+					diskStat("nvme1n1p1", 50, 100),
+					diskStat("md0", 50, 100),
+					diskStat("md0p1", 50, 100),
+					diskStat("dm-0", 50, 100),
+					diskStat("zram0", 10, 20),
+				],
+			}),
+		};
+	},
+}));
+
+describe("isPhysicalDisk (#5513, #5385)", () => {
+	it.each([
+		"sda",
+		"sdab",
+		"hda",
+		"vda",
+		"xvda",
+		"nvme0n1",
+		"nvme1n1",
+		"mmcblk0",
+	])("counts whole disk %s", (device) => {
+		expect(isPhysicalDisk(device)).toBe(true);
+	});
+
+	it.each([
+		"sda1",
+		"sdab12",
+		"hda1",
+		"vda1",
+		"xvda1",
+		"nvme0n1p1",
+		"nvme1n1p4",
+		"mmcblk0p1",
+	])("skips partition %s", (device) => {
+		expect(isPhysicalDisk(device)).toBe(false);
+	});
+
+	it.each(["md0", "md127", "md0p1", "md_d0p1", "dm-0", "dm-12"])(
+		"skips stacked device %s",
+		(device) => {
+			expect(isPhysicalDisk(device)).toBe(false);
+		},
+	);
+
+	it.each(["loop0", "ram0", "zram0", "sr0", "fd0"])(
+		"skips virtual device %s",
+		(device) => {
+			expect(isPhysicalDisk(device)).toBe(false);
+		},
+	);
+
+	it("counts each write once on an mdadm RAID1 host", () => {
+		const devices = [
+			"nvme0n1",
+			"nvme0n1p1",
+			"nvme0n1p2",
+			"nvme0n1p3",
+			"nvme0n1p4",
+			"nvme1n1",
+			"nvme1n1p1",
+			"nvme1n1p2",
+			"nvme1n1p3",
+			"nvme1n1p4",
+			"md0",
+			"md1",
+			"md2",
+			"md3",
+		];
+		expect(devices.filter(isPhysicalDisk)).toEqual(["nvme0n1", "nvme1n1"]);
+	});
+});
+
+describe("getHostSystemStats Block I/O (#5513, #5385)", () => {
+	it("sums only whole physical disks", async () => {
+		const stats = await getHostSystemStats();
+		expect(stats.BlockIO).toBe("100.00GiB / 200.00GiB");
+	});
+});

packages/server/src/monitoring/utils.ts

@@ -59,6 +59,19 @@ export const recordAdvancedStats = async (
 	}
 };
 
+// Filter out virtual devices (loop, ram, sr, etc.) - only include real disk devices
+const NON_PHYSICAL_DEVICE_PATTERNS = [
+	/^(loop|ram|zram)/,
+	/^(sr|fd)\d+$/,
+	// Partitions and md/dm devices repeat I/O already counted on the underlying disk.
+	/^(sd|hd|vd|xvd)[a-z]+\d+$/,
+	/^(nvme\d+n\d+|mmcblk\d+)p\d+$/,
+	/^(md|dm-)/,
+];
+
+export const isPhysicalDisk = (device: string) =>
+	!NON_PHYSICAL_DEVICE_PATTERNS.some((pattern) => pattern.test(device));
+
 /**
  * Get host system statistics using node-os-utils
  * This is used when monitoring "dokploy" to show host stats instead of container stats
@@ -99,14 +112,9 @@ export const getHostSystemStats = async (): Promise<Container> => {
 	let blockWriteBytes = 0;
 	const diskStats = await osutils.disk.stats();
 	if (diskStats.success && diskStats.data.length > 0) {
-		// Filter out virtual devices (loop, ram, sr, etc.) - only include real disk devices
-		const excludePatterns = [/^loop/, /^ram/, /^sr\d+$/, /^fd\d+$/];
 		for (const stat of diskStats.data) {
-			// Skip virtual devices
-			if (
-				stat.device &&
-				excludePatterns.some((pattern) => pattern.test(stat.device))
-			) {
+			// Skip virtual, partition and stacked devices
+			if (stat.device && !isPhysicalDisk(stat.device)) {
 				continue;
 			}
 			// readBytes and writeBytes are DataSize objects with .toBytes() method