AirLive ES-4000 v2 - Manual (Page 159)

Figure 10-5 Under the process to synchronize both ES-4000V2’s data
Figure 10-6 Complete High Availability function
To avoid synchronizing error, please make sure the Master device functions properly, which means the
machine is functioning and the management interface is accessible, before turning on the Backup device.
The device build-in hard disk is replaceable. However the replacement must be equal to or larger than
160GB or else anomalous data losing may occur as a result.
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