
P/N:  900-10004-00 REV 02  USER GUIDE,  IOSAFE R4   
83
Note 
Enabling disk spin-down will disable journal mode.  Once enabled, if you 
decide to disable disk spin-down, you will need to manually re-enable 
journal mode if desired.  A UPS is recommended if you utilize this option. 
►
POWER TIMER 
The ioSafe R4 can be scheduled to power off and power back on  automatically.  Select the 
Enable 
power timer 
checkbox and enter the desired action and time.  
Note 
When the ioSafe R4 is powered off, any file transfers and backup jobs will 
be interrupted, and backup jobs scheduled during the power off state will 
not be run. 
►
UPS CONFIGURATION 
If this device is sharing a UPS with another ioSafe R4 system, but not directly monitoring the battery 
status through a USB connection, you may elect to 
Enable monitoring of UPS physically 
attached to a remote ReadyNAS
.  To use this feature, check the box and enter the IP Address in 
the 
Remote IP address
 field of the ioSafe R4 system that is monitoring the UPS battery status. 
As an option, the ioSafe R4 can remotely monitor the UPS when connected to a PC running 
Network UPS Tools (NUT). For more information about NUT, see 
http://www.networkupstools.org/.