Sleep Mode

Sleep Mode

The Sleep Mode can determine the idle time before the hard disk enters HDD hibernation. During HDD sleep, the hard drive stops working, reduces power consumption and extends the life of the hard drive. Specifies different time intervals for internal hard disks and eSATA / USB external drives. HDD sleep mode stops during activation. 

Only certain external USB storage devices that support HDD sleep. Why will my Synology NAS not sleep? Note that the following services prevent Synology NAS from going into sleep mode. Next, the system will wake up from sleep mode two minutes before the scheduled task. 

Package: Download Station: Synology NAS cannot switch to sleep mode if the Download Station is busy running eMule, RSS scheduled downloads, or active tasks. Letter Station: Synology NAS cannot switch to sleep mode when the Mail Station picks up email via POP3. 

Monitoring Station: Synology NAS cannot switch to sleep mode when the Surveillance Station is recording. Media server: The Synology NAS cannot enter sleep mode if the DMA log is activated in the Media server settings (open Main menu> Media server> Media server> Diagnostics). Directory Server, Logitech® Webalizer, Media Server, Plex Media Server software or other third-party optware such as SABnzbd. 

Thumbnail and indexing: Synology NAS cannot switch to sleep mode when creating thumbnails or re-indexing multimedia files after updating. During this period, the "synoindexd" process is shown as "Enabled" (Open the Main Menu> Checking the Source> Process). 

Local Master Browser: NAS Synology cannot enter sleep mode if the Local Master Browser is activated (go to Control Panel> Win / Mac / NFS> Windows File Services> Activate Local Master Browser). Windows Media Player: Synology NAS cannot switch to sleep mode if the Windows Media Player Network Sharing Service is enabled on LAN. 

Synology NAS cannot switch to sleep mode if a number of simultaneous processes require switching, while RAM capacity is exceeded and temporary HDD is used for read / write operations. Other USB devices: The Synology NAS cannot enter sleep mode if the USB device is connected to the unit.

System sleep mode

Set the Synology NAS to enable system sleep mode one minute after the hard drive enters hibernation. System sleep mode limits the power consumption of Synology NAS. During system sleep mode: the on / off button blinks slowly (cycle on / off is slow), other LEDs are turned off, hard disk power is turned off, CPU stops, external fan stops, LED from LAN port is turned off. 

Any SMB / CIFS package can prevent the server from entering system sleep mode, including Windows file browsers that are active on the network. Select Ignore Package Delivery from Windows Explorer if you want to replace the CIFS broadcast package when you activate the sleep system. After selecting this option, the SMB / CIFS package cannot be used to end system Sleep Mode.
Connecting a USB device also prevents the server from entering system sleep mode. Get a good night's sleep for the expansion unit can be activated via the linked Synology NAS interface. You can set different inactivity periods for the linked Synology NAS and expansion units. 

This allows the expansion unit to enter deep sleep mode, while the connected NAS Synology is still activated. During deep sleep mode: all LEDs from the expansion unit are extinguished, the expansion unit's hard disk power supply is cut off, the expansion unit fan stops. deep sleep mode stops when activated. 

To ensure everything works normally when using the deep sleep function on the expansion unit, it must move the Automatic / Manual switch on the rear panel to Automatic. Determines a certain amount of time during which the Synology NAS will remain in sleep mode before turning it off automatically. must first activate the internal HDD sleep mode. To start the Synology NAS externally, you must first activate the WOL service in System Sleep Mode.