1. Introducció
The Synology DS1821+ is an 8-bay Network Attached Storage (NAS) device designed for IT enthusiasts and small to medium-sized businesses (SMBs) requiring a powerful and scalable storage solution. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your DS1821+ to ensure optimal performance and data integrity.
Figura 1: Frontal view of the Synology DS1821+ DiskStation, showing the eight accessible drive bays, status indicators, and power button.
Característiques principals:
- 8-Bay Design: Accommodates up to 8 hard drives or SSDs, providing extensive storage capacity.
- AMD Ryzen CPU: Powered by an AMD Ryzen quad-core processor for high performance in file sharing, virtualization, and multimedia streaming.
- Dual M.2 NVMe Slots: Allows for the addition of SSD cache to significantly improve system performance.
- Emmagatzematge ampliable: Can be expanded up to 18 bays by connecting two DX517 expansion units.
- Sophisticated Software: Features DiskStation Manager (DSM) with a wide range of applications for file sharing, backup, virtualization, and multimedia streaming.
2. Guia de configuració
2.1 Contingut del paquet
Abans de continuar, assegureu-vos que hi hagi tots els components:
- Synology DS1821+ main unit
- Cable d'alimentació CA
- RJ-45 LAN Cable(s)
- Guia d'instal·lació ràpida
- Accessory Pack (screws for 2.5" drives)
2.2 Instal·lació de la unitat
- Preparar les unitats: Ensure your 3.5-inch or 2.5-inch SATA hard drives or SSDs are compatible. For 3.5-inch drives, no screws are typically needed for the drive trays. For 2.5-inch drives, use the provided screws.
- Inserir unitats: Slide each drive into an empty drive bay until it clicks into place. Ensure the drive is securely seated.
- Safates segures: Lock the drive trays if your model includes locking mechanisms.
Figura 2: Front inclinat view of the Synology DS1821+, highlighting the design and accessibility of the drive bays for installation.
2.3 Cables de connexió
- Connexió de xarxa: Connect one end of the RJ-45 LAN cable to a LAN port on the DS1821+ and the other end to your router, switch, or hub. The DS1821+ features multiple LAN ports for network redundancy or link aggregation.
- Connexió d'alimentació: Connect the AC power cord to the power port on the rear of the DS1821+ and then to a power outlet.
Figura 3: posterior view of the Synology DS1821+, showing the dual cooling fans, power input, multiple LAN ports, and USB ports for external connections.
2.4 Initial Power-On and DSM Installation
- Encès: Press the power button on the front panel. The STATUS LED should blink green.
- Troba el teu NAS: Obre a web browser on a computer connected to the same network and go to http://find.synology.com or use the Synology Assistant utility.
- Instal·leu el DSM: Follow the on-screen instructions to install DiskStation Manager (DSM), Synology's operating system. This process will format the installed drives.
- Crea un compte d'administrador: Configura el teu compte d'administrador i la contrasenya.
3. Operating Your Synology DS1821+
3.1 Accés al DiskStation Manager (DSM)
After installation, access DSM by entering the NAS's IP address or hostname (e.g., http://diskstation:5000) al teu web browser. Log in with your administrator credentials.
3.2 Gestió d'emmagatzematge
- Storage Pool Creation: Navega a Gestor d'emmagatzematge to create storage pools and volumes. Synology Hybrid RAID (SHR) is recommended for most users for optimal flexibility and data protection.
- Configuració RAID: Configure RAID levels (e.g., RAID 1, RAID 5, RAID 6, RAID 10) based on your performance and redundancy requirements.
- SSD Cache: Utilize the M.2 NVMe slots to create an SSD cache for frequently accessed data, enhancing read/write performance.
3.3 File Compartir i accedir
- Carpetes compartides: Create shared folders in Tauler de control > Carpeta compartida to store and organize your data.
- User and Group Management: Manage user accounts and groups, assigning specific permissions to shared folders.
- File Estació: Utilitza el File Station application in DSM for web-basat file gestió.
- Protocols de xarxa: The DS1821+ supports various file sharing protocols, including SMB/CIFS, AFP, NFS, FTP, and WebDAV.
3.4 Data Protection and Backup
The DS1821+ offers robust backup solutions:
- Hiper còpia de seguretat: Back up data from your NAS to another Synology NAS, rsync server, public cloud services, or local external storage.
- Replicació d'instantànies: Crea còpies puntuals de carpetes compartides i LUN iSCSI per a una recuperació ràpida de dades.
- Còpia de seguretat activa per a empreses: Centralize backup tasks for Windows PCs, servers, VMware, and Microsoft 365/Google Workspace.
4. Manteniment
4.1 Actualitzacions de programari
Regularly update DSM to ensure system stability, security, and access to new features. Go to Tauler de control > Actualització i restauració per comprovar i instal·lar actualitzacions.
4.2 Monitorització de l'estat de la unitat
Monitor the health of your installed drives via Gestor d'emmagatzematge > HDD/SSD. Pay attention to S.M.A.R.T. attributes and run extended tests periodically to detect potential drive failures early.
4.3 Registres del sistema
Review registres de sessió del sistema Centre de registre for any warnings or errors that may indicate underlying issues. This can help in proactive troubleshooting.
4.4 Gestió de l'energia
Configure power schedules (Control Panel > Hardware & Power > Power Schedule) to automatically power on/off your NAS, conserving energy and extending hardware lifespan.
5. Solució De Problemes
5.1 Indicadors LED
Understanding the LED indicators can help diagnose issues:
- LED ESTAT:
- Verd (sòlid): Funcionament normal.
- Verd (Intermitent): DSM is starting up, shutting down, or performing a RAID operation.
- Taronja (sòlid): System error, volume crash, or degraded RAID.
- Orange (Blinking): DSM not installed, or no drives detected.
- DRIVE LEDs:
- Verd (sòlid): Drive is ready.
- Verd (Intermitent): Drive is accessing data.
- Taronja (sòlid): Drive error or degraded.
- LED LAN:
- Verd (sòlid): Connexió de xarxa establerta.
- Verd (Intermitent): Activitat en xarxa.
5.2 Problemes comuns
- Cannot Connect to NAS:
Ensure network cables are securely connected. Verify your computer is on the same network. Try restarting your router and the NAS. Use Synology Assistant to locate the device.
- Degraded Volume/Drive Failure:
If a drive LED is orange or the STATUS LED is orange, check Gestor d'emmagatzematge for details. Replace faulty drives immediately and repair the storage pool.
- Rendiment lent:
Check network bandwidth, CPU/RAM usage in Monitor de recursos. Consider adding SSD cache or upgrading RAM if consistently high. Ensure drives are healthy.
6. Especificacions
| Característica | Detall |
|---|---|
| Nom del model | DS1821+ |
| CPU | AMD Ryzen V1500B Quad-Core 2.2 GHz |
| Memòria | 4 GB DDR4 ECC SODIMM (expandable) |
| Drive Bays | 8 |
| Tipus de unitat compatibles | HDD SATA de 3.5", HDD SATA de 2.5", SSD SATA de 2.5" |
| M.2 Drive Slots | 2 (NVMe) |
| Ports Externs | 4 x USB 3.2 Gen 1, 2 x eSATA |
| Ports LAN | 4 x 1 GbE RJ-45 |
| Expansió PCIe | 1 x Gen3 x8 slot (x4 link) for network interface card or M.2 SSD adapter card |
| Dimensions (AxAxP) | 166 mm x 343 mm x 243 mm (6.54" x 13.5" x 9.57") |
| Pes | 6 kg (13.23 lliures) (Note: Product listing states 29.1 lbs, which likely includes drives.) |
| Unitat d'alimentació | 250W |
| Temperatura de funcionament | De 0 °C a 40 °C (32 °F a 104 °F) |
7. Garantia i Suport
Synology products come with a limited warranty. For detailed warranty information, please refer to the official Synology website or the warranty card included with your product. For technical support, software updates, and additional resources, visit the Synology Support Center online:
Centre d'assistència de Synology
Always ensure your DiskStation Manager (DSM) is up to date to benefit from the latest security patches and features.
