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Storage Management in Cesbo Alta

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Configure Alta to store OTT archives on the local filesystem.

UI Navigation: Go to Settings → Storages → Create

Storage tab

Parameters:

  • Duration: Total archive duration (in hours).

    This value can be overridden for individual channels in their properties.

  • Location: Absolute path to the archive directory on the server.

Data Storage Details: Alta stores archive segments in MPEG-TS format at: <location>/<channel-path>/<variant-name> Each channel and variant has its own directory structure for easy management.

Storage Common Settings:

Storage settings

  • The Settings button, located next to the Create button, opens the Storage Common Settings dialog.
  • In this dialog, you can configure the Disk Space Threshold (MB) to define when a low disk space warning is triggered.
  • When available disk space falls below the specified threshold:

    • All channels with recording enabled automatically switch to circular mode.

    • Older data is deleted as new data is recorded, constrained by the remaining available space.

    • The archive size for each channel may vary:

      • For channels running continuously, the archive may retain the full intended duration (e.g., 24 hours) if space permits.
      • For newly started channels, only the most recent data up to the threshold may be retained (e.g., 10 hours).

    • If free disk space increases, the archive size for each channel can expand accordingly.

Storage Behavior

Section titled “Storage Behavior”

Storage Clearing Conditions

Storage will be automatically cleared under the following circumstances:

  • Modifying the storage assignment for a channel
  • Detaching storage from a channel
  • Removing storage from a channel configuration
  • Deleting storage in system settings or modifying its path
  • Deleting a channel

Storage Preservation Conditions

Storage contents remain intact during the following operations:

  • Restarting a channel or receiver
  • Adjusting HLS segment duration (new segment length is applied gradually)
  • Removing a receiver associated with the channel