About This Document
Purpose
It deploys two devices to establish a dual-node backup system. The two devices back up for each other by periodically synchronizing device configuration and data between them. If either device fails due to network, system, or process abnormalities, the other device can take over services from the failed one to ensure service continuity.
This document describes how to configure the dual backup function.
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol |
Description |
|---|---|
Indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury. |
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Indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury. |
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Indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury. |
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Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance deterioration, or unanticipated results. NOTICE is used to address practices not related to personal injury. |
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Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. |
Change History
Issue |
Date |
Description |
|---|---|---|
01 |
2020-10-15 |
The issue is the first official release. |