diff --git a/app/client/modules/volumes/routes/volume-details.tsx b/app/client/modules/volumes/routes/volume-details.tsx
index 50f7465a..b4a29126 100644
--- a/app/client/modules/volumes/routes/volume-details.tsx
+++ b/app/client/modules/volumes/routes/volume-details.tsx
@@ -94,14 +94,6 @@ export function VolumeDetails({ volumeId }: { volumeId: string }) {
 		deleteVol.mutate({ path: { id: volumeId } });
 	};
 
-	if (!volumeId) {
-		return <div>Volume not found</div>;
-	}
-
-	if (!data) {
-		return <div>Loading...</div>;
-	}
-
 	const { volume, statfs } = data;
 
 	return (
@@ -164,6 +156,9 @@ export function VolumeDetails({ volumeId }: { volumeId: string }) {
 						<AlertDialogTitle>Delete volume?</AlertDialogTitle>
 						<AlertDialogDescription>
 							Are you sure you want to delete the volume <strong>{volume.name}</strong>? This action cannot be undone.
+							<br />
+							<br />
+							All backup schedules associated with this volume will also be removed.
 						</AlertDialogDescription>
 					</AlertDialogHeader>
 					<div className="flex gap-3 justify-end">
diff --git a/app/server.ts b/app/server.ts
index 0ccf59f8..4f8d2559 100644
--- a/app/server.ts
+++ b/app/server.ts
@@ -1,12 +1,11 @@
 import { logger } from "./server/utils/logger";
 import { shutdown } from "./server/modules/lifecycle/shutdown";
 import { runCLI } from "./server/cli";
-import {
-	createStartHandler,
-	defaultStreamHandler,
-	defineHandlerCallback,
-} from "@tanstack/react-start/server";
+import { createStartHandler, defaultStreamHandler, defineHandlerCallback } from "@tanstack/react-start/server";
 import { createServerEntry } from "@tanstack/react-start/server-entry";
+import { runDbMigrations } from "./server/db/db";
+
+await runDbMigrations();
 
 const cliRun = await runCLI(Bun.argv);
 if (cliRun) {
diff --git a/app/server/db/db.ts b/app/server/db/db.ts
index 54b4fd21..53cdbafa 100644
--- a/app/server/db/db.ts
+++ b/app/server/db/db.ts
@@ -17,7 +17,9 @@ if (fs.existsSync(path.join(path.dirname(DATABASE_URL), "ironmount.db")) && !fs.
 const sqlite = new Database(DATABASE_URL);
 export const db = drizzle({ client: sqlite, relations, schema });
 
-export const runDbMigrations = () => {
+let migrationsPromise: Promise<void> | undefined;
+
+const runMigrations = async () => {
 	let migrationsFolder: string;
 
 	if (config.migrationsPath) {
@@ -32,3 +34,12 @@ export const runDbMigrations = () => {
 
 	sqlite.run("PRAGMA foreign_keys = ON;");
 };
+
+export const runDbMigrations = () => {
+	if (migrationsPromise) {
+		return migrationsPromise;
+	}
+
+	migrationsPromise = runMigrations();
+	return migrationsPromise;
+};
diff --git a/app/server/modules/backups/__tests__/backups.service.test.ts b/app/server/modules/backups/__tests__/backups.service.test.ts
index 5570a6ef..2dbf05cf 100644
--- a/app/server/modules/backups/__tests__/backups.service.test.ts
+++ b/app/server/modules/backups/__tests__/backups.service.test.ts
@@ -1,5 +1,6 @@
 import waitForExpect from "wait-for-expect";
 import { test, describe, mock, expect, beforeEach, afterEach, spyOn } from "bun:test";
+import { eq } from "drizzle-orm";
 import { backupsService } from "../backups.service";
 import { createTestVolume } from "~/test/helpers/volume";
 import { createTestBackupSchedule } from "~/test/helpers/backup";
@@ -7,6 +8,8 @@ import { createTestRepository } from "~/test/helpers/repository";
 import { generateBackupOutput } from "~/test/helpers/restic";
 import { faker } from "@faker-js/faker";
 import * as spawnModule from "~/server/utils/spawn";
+import { db } from "~/server/db/db";
+import { backupScheduleMirrorsTable, repositoriesTable, volumesTable } from "~/server/db/schema";
 import { TEST_ORG_ID } from "~/test/helpers/organization";
 import * as context from "~/server/core/request-context";
 import { backupsExecutionService } from "../backups.execution";
@@ -183,3 +186,100 @@ describe("getSchedulesToExecute", () => {
 		expect(schedulesToExecute).toContain(schedule.id);
 	});
 });
+
+describe("listSchedules", () => {
+	test("should ignore schedules with missing relations", async () => {
+		const healthyVolume = await createTestVolume();
+		const healthyRepository = await createTestRepository();
+		const healthySchedule = await createTestBackupSchedule({
+			volumeId: healthyVolume.id,
+			repositoryId: healthyRepository.id,
+		});
+
+		const orphanVolume = await createTestVolume();
+		const orphanRepository = await createTestRepository();
+		const orphanSchedule = await createTestBackupSchedule({
+			volumeId: orphanVolume.id,
+			repositoryId: orphanRepository.id,
+		});
+
+		await db.delete(volumesTable).where(eq(volumesTable.id, orphanVolume.id));
+
+		const schedules = await backupsService.listSchedules();
+
+		expect(schedules.map((schedule) => schedule.id)).toContain(healthySchedule.id);
+		expect(schedules.map((schedule) => schedule.id)).not.toContain(orphanSchedule.id);
+	});
+
+	test("should ignore schedules with missing repository relation", async () => {
+		const healthyVolume = await createTestVolume();
+		const healthyRepository = await createTestRepository();
+		const healthySchedule = await createTestBackupSchedule({
+			volumeId: healthyVolume.id,
+			repositoryId: healthyRepository.id,
+		});
+
+		const orphanVolume = await createTestVolume();
+		const orphanRepository = await createTestRepository();
+		const orphanSchedule = await createTestBackupSchedule({
+			volumeId: orphanVolume.id,
+			repositoryId: orphanRepository.id,
+		});
+
+		await db.delete(repositoriesTable).where(eq(repositoriesTable.id, orphanRepository.id));
+
+		const schedules = await backupsService.listSchedules();
+
+		expect(schedules.map((schedule) => schedule.id)).toContain(healthySchedule.id);
+		expect(schedules.map((schedule) => schedule.id)).not.toContain(orphanSchedule.id);
+	});
+});
+
+describe("cleanupOrphanedSchedules", () => {
+	test("should delete orphaned schedules and their mirror assignments", async () => {
+		const healthyVolume = await createTestVolume();
+		const healthyRepository = await createTestRepository();
+		const healthySchedule = await createTestBackupSchedule({
+			volumeId: healthyVolume.id,
+			repositoryId: healthyRepository.id,
+		});
+
+		const orphanVolume = await createTestVolume();
+		const orphanRepository = await createTestRepository();
+		const orphanSchedule = await createTestBackupSchedule({
+			volumeId: orphanVolume.id,
+			repositoryId: orphanRepository.id,
+		});
+
+		const mirrorRepository = await createTestRepository();
+		await db.insert(backupScheduleMirrorsTable).values({
+			scheduleId: orphanSchedule.id,
+			repositoryId: mirrorRepository.id,
+			enabled: true,
+		});
+
+		await db.delete(volumesTable).where(eq(volumesTable.id, orphanVolume.id));
+
+		const cleanupResult = await backupsService.cleanupOrphanedSchedules();
+
+		expect(cleanupResult.deletedSchedules).toBeGreaterThanOrEqual(1);
+
+		const deletedSchedule = await db.query.backupSchedulesTable.findFirst({
+			where: { id: orphanSchedule.id },
+			columns: { id: true },
+		});
+		expect(deletedSchedule).toBeUndefined();
+
+		const remainingHealthySchedule = await db.query.backupSchedulesTable.findFirst({
+			where: { id: healthySchedule.id },
+			columns: { id: true },
+		});
+		expect(remainingHealthySchedule?.id).toBe(healthySchedule.id);
+
+		const orphanMirrors = await db.query.backupScheduleMirrorsTable.findMany({
+			where: { scheduleId: orphanSchedule.id },
+			columns: { id: true },
+		});
+		expect(orphanMirrors).toHaveLength(0);
+	});
+});
diff --git a/app/server/modules/backups/backups.service.ts b/app/server/modules/backups/backups.service.ts
index 99cf88a7..d6c7f272 100644
--- a/app/server/modules/backups/backups.service.ts
+++ b/app/server/modules/backups/backups.service.ts
@@ -1,8 +1,8 @@
-import { and, eq } from "drizzle-orm";
+import { and, eq, inArray } from "drizzle-orm";
 import cron from "node-cron";
 import { NotFoundError, BadRequestError, ConflictError } from "http-errors-enhanced";
 import { db } from "../../db/db";
-import { backupSchedulesTable, backupScheduleMirrorsTable } from "../../db/schema";
+import { backupScheduleMirrorsTable, backupScheduleNotificationsTable, backupSchedulesTable } from "../../db/schema";
 import type { CreateBackupScheduleBody, UpdateBackupScheduleBody, UpdateScheduleMirrorsBody } from "./backups.dto";
 
 import { checkMirrorCompatibility, getIncompatibleMirrorError } from "~/server/utils/backend-compatibility";
@@ -17,7 +17,7 @@ const listSchedules = async () => {
 		with: { volume: true, repository: true },
 		orderBy: { sortOrder: "asc", id: "asc" },
 	});
-	return schedules;
+	return schedules.filter((schedule) => schedule.volume && schedule.repository);
 };
 
 const getScheduleById = async (scheduleId: number) => {
@@ -31,6 +31,10 @@ const getScheduleById = async (scheduleId: number) => {
 		throw new NotFoundError("Backup schedule not found");
 	}
 
+	if (!schedule.volume || !schedule.repository) {
+		throw new NotFoundError("Backup schedule not found");
+	}
+
 	return schedule;
 };
 
@@ -45,6 +49,10 @@ const getScheduleByShortId = async (shortId: string) => {
 		throw new NotFoundError("Backup schedule not found");
 	}
 
+	if (!schedule.volume || !schedule.repository) {
+		throw new NotFoundError("Backup schedule not found");
+	}
+
 	return schedule;
 };
 
@@ -190,6 +198,10 @@ const getScheduleForVolume = async (volumeId: number) => {
 		with: { volume: true, repository: true },
 	});
 
+	if (schedule && (!schedule.volume || !schedule.repository)) {
+		return null;
+	}
+
 	return schedule ?? null;
 };
 
@@ -331,6 +343,35 @@ const reorderSchedules = async (scheduleIds: number[]) => {
 	});
 };
 
+const cleanupOrphanedSchedules = async () => {
+	const schedules = await db.query.backupSchedulesTable.findMany({
+		with: { volume: true, repository: true },
+		columns: { id: true },
+	});
+
+	const orphanScheduleIds = schedules
+		.filter((schedule) => schedule.volume === null || schedule.repository === null)
+		.map((schedule) => schedule.id);
+
+	if (orphanScheduleIds.length === 0) {
+		return { deletedSchedules: 0 };
+	}
+
+	db.transaction((tx) => {
+		tx.delete(backupScheduleNotificationsTable)
+			.where(inArray(backupScheduleNotificationsTable.scheduleId, orphanScheduleIds))
+			.run();
+
+		tx.delete(backupScheduleMirrorsTable)
+			.where(inArray(backupScheduleMirrorsTable.scheduleId, orphanScheduleIds))
+			.run();
+
+		tx.delete(backupSchedulesTable).where(inArray(backupSchedulesTable.id, orphanScheduleIds)).run();
+	});
+
+	return { deletedSchedules: orphanScheduleIds.length };
+};
+
 export const backupsService = {
 	listSchedules,
 	getScheduleById,
@@ -343,4 +384,5 @@ export const backupsService = {
 	getMirrorCompatibility,
 	reorderSchedules,
 	getScheduleByShortId,
+	cleanupOrphanedSchedules,
 };
diff --git a/app/server/modules/lifecycle/bootstrap.ts b/app/server/modules/lifecycle/bootstrap.ts
index 92bb6428..bb8f44ea 100644
--- a/app/server/modules/lifecycle/bootstrap.ts
+++ b/app/server/modules/lifecycle/bootstrap.ts
@@ -5,7 +5,7 @@ import { startup } from "./startup";
 let bootstrapPromise: Promise<void> | undefined;
 
 const runBootstrap = async () => {
-	runDbMigrations();
+	await runDbMigrations();
 	await runMigrations();
 	await startup();
 };
diff --git a/app/server/modules/lifecycle/startup.ts b/app/server/modules/lifecycle/startup.ts
index dbe98f49..eb788943 100644
--- a/app/server/modules/lifecycle/startup.ts
+++ b/app/server/modules/lifecycle/startup.ts
@@ -13,6 +13,7 @@ import { notificationsService } from "../notifications/notifications.service";
 import { VolumeAutoRemountJob } from "~/server/jobs/auto-remount";
 import { cache } from "~/server/utils/cache";
 import { withContext } from "~/server/core/request-context";
+import { backupsService } from "../backups/backups.service";
 
 const ensureLatestConfigurationSchema = async () => {
 	const volumes = await db.query.volumesTable.findMany({});
@@ -54,6 +55,15 @@ export const startup = async () => {
 
 	await ensureLatestConfigurationSchema();
 
+	const { deletedSchedules } = await backupsService.cleanupOrphanedSchedules().catch((err) => {
+		logger.error(`Failed to cleanup orphaned backup schedules on startup: ${err.message}`);
+		return { deletedSchedules: 0 };
+	});
+
+	if (deletedSchedules > 0) {
+		logger.warn(`Removed ${deletedSchedules} orphaned backup schedule(s) during startup`);
+	}
+
 	const volumes = await db.query.volumesTable.findMany({
 		where: {
 			OR: [