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If you have more than 30 servers in one location, or if they are spread between different locations, but you need to have unified user management across all servers, please contact your manager or technical support for consulting.

For stable operation with more than 500 cameras on a single server, the Failover server and client (cluster type—independent nodes (see Creating and configuring independent nodes)) installation type is required.

For stable operation with more than 1,500 cameras in a single Axxon One domain, the Failover server and client (cluster type—independent nodes (see Creating and configuring independent nodes)) installation type is required on all servers.

Server and client

1. Use the port range 20111-20210 (see Network settings utility, Ports used by Axxon One).
2. Metadata database:
   
   1. The path to the metadata storage folder can be specified only once during the installation process. If you decide to change it later, you will have to re-install reinstall Axxon One (without losing your configuration or video archive).
   2. We highly recommend installing the database on an SSD specifically designed for storing metadata.
      1. Do NOT install metadata on the system drive because metadata size tends to grow over time, and if the system drive space is not sufficient, it can cause system issues.
      2. Do NOT install metadata on the drive to which the archive is recorded because it affects recording performance.
   3. Consider the disk space required for the database (see Disk storage subsystem requirements). For example, ≈1.5 TB is required to store metadata for 30 days for 50 cameras.

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1. The path to the metadata storage folder can be specified only once during the installation process. If you decide to change it later, you will have to re-install reinstall Axxon One (without losing your configuration or video archive). To specify the database path during installation, select the Custom installation type and specify the path in the configuration window.
2. We highly recommend installing the database on an SSD specifically designed for storing metadata.
   1. Do NOT install metadata on the system drive because metadata size tends to grow over time, and if the system drive space is not sufficient, it can cause system issues.
   2. Do NOT install metadata on the drive to which the archive is recorded because it affects recording performance.

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1. The motion detector must operate on a low-quality stream (see Configuring the Motion detector).
2. To mask, exclude areas of the frame that constantly have motion (for example, on-screen display (OSD) or TV).
3. Create automatic rules for recording to the archive (see Automatic rules).
4. Use an Nvidia GPU for the detectors' operation.

Automatic notifications (see Programming):

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1. Create a new backup:
   1. After you complete the system configuration.
   2. Before you update to a new version.
   3. After you update to a new version.
   4. Periodically (the recommended period is once a month).

2. To restore the configuration, use the backup created on the same version of software (see Backup and restore utility). Example: if a backup was created on v. 1.0, then restore it only on v. 1.0.

Web

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client (

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see Working with Axxon One through the Web-Client):

1. Change the HTTP port from 80 to a custom port (see Configuring the Web-Server).

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1. Monitor the CPU load (<= 80%).
2. Monitor the RAM load (<= 60%).
3. Monitor the disk load:
   1. Active time is lower than 50%.

   2. Average response time is lower less than 1 sec.

4. Monitor free disk space:  system the system drive has not less than at least 20 GB.
5. Use the statistics panel in the Web-Client (see Viewing Camera and Archive Statisticsweb client (see Viewing camera and archive statistics).