Infinet Wireless: Technical Documentation
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Backup of InfiMONITOR may be needed to restore monitoring data, that has been lost in case of fault or other different factors.

Backup system architecture

InfiMONITOR continuously handles a lot of information coming from wireless units. In this case the backup process creates additional load that may higly increase time of reaction on changes in a wireless network. The backup process is performed on a dedicated server to avoid the negative influence on the monitoring process.

The interaction of backup system and InfiMONITOR is shown on scheme bellow.

InfiMONITOR backup server ENG

For security reasons the monitoring system must be authorized on the backup server with special password, that can be changes in service mode.

Backup and recovery processes

Let's have a look at backup process from the moment when data is appeared to moment when data is recovered.

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DB synchronization

Database of backup server performs one way online synchronization with database of InfiMONITOR. In general case synchronization doesn't cause excessive load because it's performed continuously, incrementally copying a small amount of changed data.

But there are two cases when synchronization is intensive:

  1. The first activation of backup server. In this case the primary full backup of InfiMONITOR database is performed
  2. Long absence of communitation between backup server and monitoring system. In this case the data is out of sync, which requires a full backup to be performed again.
Creating of backup

Creating of backup is performed on the backup server.

Frequency of backups is defined by administrator in the web-interface of InfiMONITOR. Copying is performed by means of the filesystem and occurs almost instantly.

Storing of backupsBackup server stores each of backups. The list of backups is availabe in the web-interface of InfiMONITOR.
Rotation of backups

The backups are stored for the period of time set by administrator in the web-interface of InfiMONITOR. The obsolescence control is performed daily. A copy whose creation date exceeds the retention period will be deleted.

Recovery

Restoring data from a backup is performed only with a clear installation of InfiMONITOR. Administrator should specify the credentials for accessing the backup server and select a backup for recovery from the list of backups. During the final installation phase, InfiMONITOR will download the backup from the backup server, and then apply it.

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