--- title: "Local Filesystem" slug: "local-filesystem-83" tags: ["Portal", "8.3"] updated: 2026-09-27T11:47:41Z published: 2026-09-27T11:47:41Z canonical: "kb.ctera.com/local-filesystem-83" --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.ctera.com/llms.txt > Use this file to discover all available pages before exploring further. # Local Filesystem The **Local Filesystem** storage node is the default storage node after installing CTERA Portal. **Note** You cannot use a **Local Filesystem** storage node for storage that exceeds 20TB. When using a **Local Filesystem** storage node, data blocks are stored in a specific folder in the primary CTERA Portal server's local file system. CTERA Portal servers set to secondary mode access the storage node by communicating through the primary CTERA Portal server. ![Image](https://cdn.document360.io/30792387-cdcb-4791-aa14-94929bbcd3fe/Images/Documentation/image-MFDLZNQV.png?sv=2026-02-06&spr=https&st=2026-11-11T04%3A23%3A26Z&se=2026-11-11T05%3A23%3A26Z&sr=c&sp=r&sig=LuG3woFH2lpE34eFisS7PP0WIVPFr4CCOj8CcsqKcEI%3D) **Host Address** – The IP address of the primary database server. **Folder Path** – The path where files are stored in the local file system. **Folder Size** – The maximum number of files to store in a folder. The default value is 1024. **Use fsync** – Blocks of data should be flushed to disk immediately. Using fsync prevents data loss in the event of a power failure.