diff --git a/open-api/immich-openapi-specs.json b/open-api/immich-openapi-specs.json
index 68af1438cd..80e590e63e 100644
--- a/open-api/immich-openapi-specs.json
+++ b/open-api/immich-openapi-specs.json
@@ -16660,7 +16660,9 @@
           "VersionCheck",
           "OcrQueueAll",
           "Ocr",
-          "WorkflowRun"
+          "WorkflowRun",
+          "IntegrityOrphanedAndMissingFiles",
+          "IntegrityChecksumFiles"
         ],
         "type": "string"
       },
diff --git a/server/src/enum.ts b/server/src/enum.ts
index 87ff282f31..f1425cf0f8 100644
--- a/server/src/enum.ts
+++ b/server/src/enum.ts
@@ -637,6 +637,10 @@ export enum JobName {
 
   // Workflow
   WorkflowRun = 'WorkflowRun',
+
+  // Integrity
+  IntegrityOrphanedAndMissingFiles = 'IntegrityOrphanedAndMissingFiles',
+  IntegrityChecksumFiles = 'IntegrityChecksumFiles',
 }
 
 export enum QueueCommand {
diff --git a/server/src/repositories/asset.repository.ts b/server/src/repositories/asset.repository.ts
index d3d9ada80f..226d021745 100644
--- a/server/src/repositories/asset.repository.ts
+++ b/server/src/repositories/asset.repository.ts
@@ -382,6 +382,14 @@ export class AssetRepository {
     return items.map((asset) => asset.deviceAssetId);
   }
 
+  async getAllAssetPaths() {
+    return this.db.selectFrom('asset').select(['originalPath', 'encodedVideoPath']).stream();
+  }
+
+  async getAllAssetFilePaths() {
+    return this.db.selectFrom('asset_file').select(['path']).stream();
+  }
+
   @GenerateSql({ params: [DummyValue.UUID] })
   async getLivePhotoCount(motionId: string): Promise<number> {
     const [{ count }] = await this.db
diff --git a/server/src/services/index.ts b/server/src/services/index.ts
index eeb8424048..42bf467fd0 100644
--- a/server/src/services/index.ts
+++ b/server/src/services/index.ts
@@ -12,6 +12,7 @@ import { CliService } from 'src/services/cli.service';
 import { DatabaseService } from 'src/services/database.service';
 import { DownloadService } from 'src/services/download.service';
 import { DuplicateService } from 'src/services/duplicate.service';
+import { IntegrityService } from 'src/services/integrity.service';
 import { JobService } from 'src/services/job.service';
 import { LibraryService } from 'src/services/library.service';
 import { MaintenanceService } from 'src/services/maintenance.service';
@@ -62,6 +63,7 @@ export const services = [
   DatabaseService,
   DownloadService,
   DuplicateService,
+  IntegrityService,
   JobService,
   LibraryService,
   MaintenanceService,
diff --git a/server/src/services/integrity.service.ts b/server/src/services/integrity.service.ts
new file mode 100644
index 0000000000..70c525dfc7
--- /dev/null
+++ b/server/src/services/integrity.service.ts
@@ -0,0 +1,120 @@
+import { Injectable } from '@nestjs/common';
+import { JOBS_LIBRARY_PAGINATION_SIZE } from 'src/constants';
+import { StorageCore } from 'src/cores/storage.core';
+import { OnEvent, OnJob } from 'src/decorators';
+import { ImmichWorker, JobName, JobStatus, QueueName, StorageFolder } from 'src/enum';
+import { ArgOf } from 'src/repositories/event.repository';
+import { BaseService } from 'src/services/base.service';
+
+@Injectable()
+export class IntegrityService extends BaseService {
+  // private backupLock = false;
+
+  @OnEvent({ name: 'ConfigInit', workers: [ImmichWorker.Microservices] })
+  async onConfigInit({
+    newConfig: {
+      backup: { database },
+    },
+  }: ArgOf<'ConfigInit'>) {
+    // this.backupLock = await this.databaseRepository.tryLock(DatabaseLock.BackupDatabase);
+    // if (this.backupLock) {
+    //   this.cronRepository.create({
+    //     name: 'backupDatabase',
+    //     expression: database.cronExpression,
+    //     onTick: () => handlePromiseError(this.jobRepository.queue({ name: JobName.DatabaseBackup }), this.logger),
+    //     start: database.enabled,
+    //   });
+    // }
+    setTimeout(() => {
+      this.jobRepository.queue({
+        name: JobName.IntegrityOrphanedAndMissingFiles,
+        data: {},
+      });
+    }, 1000);
+  }
+
+  @OnEvent({ name: 'ConfigUpdate', server: true })
+  async onConfigUpdate({ newConfig: { backup } }: ArgOf<'ConfigUpdate'>) {
+    // if (!this.backupLock) {
+    //   return;
+    // }
+    // this.cronRepository.update({
+    //   name: 'backupDatabase',
+    //   expression: backup.database.cronExpression,
+    //   start: backup.database.enabled,
+    // });
+  }
+
+  @OnJob({ name: JobName.IntegrityOrphanedAndMissingFiles, queue: QueueName.BackgroundTask })
+  async handleOrphanedAndMissingFiles(): Promise<JobStatus> {
+    // (1) Asset files
+    const pathsLocal = new Set<string>();
+    const pathsDb = new Set<string>();
+
+    await Promise.all([
+      // scan all local paths
+      (async () => {
+        const pathsOnDisk = this.storageRepository.walk({
+          pathsToCrawl: [
+            StorageFolder.EncodedVideo,
+            StorageFolder.Library,
+            StorageFolder.Upload,
+            StorageFolder.Thumbnails,
+          ].map((folder) => StorageCore.getBaseFolder(folder)),
+          includeHidden: false,
+          take: JOBS_LIBRARY_PAGINATION_SIZE,
+        });
+
+        for await (const pathBatch of pathsOnDisk) {
+          for (const path of pathBatch) {
+            if (!pathsDb.delete(path)) {
+              pathsLocal.add(path);
+            }
+
+            console.info(pathsLocal.size, pathsDb.size);
+          }
+        }
+      })(),
+      // scan "asset"
+      (async () => {
+        const pathsInDb = await this.assetRepository.getAllAssetPaths();
+
+        for await (const { originalPath, encodedVideoPath } of pathsInDb) {
+          if (!pathsLocal.delete(originalPath)) {
+            pathsDb.add(originalPath);
+          }
+
+          if (encodedVideoPath && !pathsLocal.delete(encodedVideoPath)) {
+            pathsDb.add(encodedVideoPath);
+          }
+
+          console.info(pathsLocal.size, pathsDb.size);
+        }
+      })(),
+      // scan "asset_files"
+      (async () => {
+        const pathsInDb = await this.assetRepository.getAllAssetFilePaths();
+
+        for await (const { path } of pathsInDb) {
+          if (!pathsLocal.delete(path)) {
+            pathsDb.add(path);
+          }
+
+          console.info(pathsLocal.size, pathsDb.size);
+        }
+      })(),
+    ]);
+
+    console.info('Orphaned files:', pathsLocal);
+    console.info('Missing files:', pathsDb);
+
+    // profile: skipped
+    return JobStatus.Success;
+  }
+
+  @OnJob({ name: JobName.IntegrityChecksumFiles, queue: QueueName.BackgroundTask })
+  async handleChecksumFiles(): Promise<JobStatus> {
+    // todo
+    return JobStatus.Success;
+  }
+}
diff --git a/server/src/types.ts b/server/src/types.ts
index 848d19177d..889051f580 100644
--- a/server/src/types.ts
+++ b/server/src/types.ts
@@ -391,7 +391,11 @@ export type JobItem =
   | { name: JobName.Ocr; data: IEntityJob }
 
   // Workflow
-  | { name: JobName.WorkflowRun; data: IWorkflowJob };
+  | { name: JobName.WorkflowRun; data: IWorkflowJob }
+
+  // Integrity
+  | { name: JobName.IntegrityOrphanedAndMissingFiles; data: IBaseJob }
+  | { name: JobName.IntegrityChecksumFiles; data: IBaseJob };
 
 export type VectorExtension = (typeof VECTOR_EXTENSIONS)[number];