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Resizing i-node table in Linux Ext2/Ext3

  • In Linux Ext2/Ext3, the i-node index descriptor is the main data structure describing files.

    Each descriptor contains a file description, including file type, size, data block pointers, etc. Data block addresses reserved for a file are stored in its index descriptor.

    The space for all i-nodes must be allocated in advance (at formatting). In the Ext2/Ext3 file systems, the maximum number of files is set at formatting.

    The bytes per a single i-node value indicates the average partition file size. If there are many small files, there must be many descriptors, each of which occupies some space. Large files require fewer descriptors.

    Acronis Disk Director Suite enables you to resize i-node tables of existing partitions to change the maximum file amount on them.

    To resize an i-node table of an existing Linux Ext2/Ext3 partition:
    • Select a disk and Linux Ext2/Ext3 partition from the list in the Acronis Disk Director Suite main window.
    • Execute operation of INODE resizing by selecting Disk - Advanced - Change Bytes per i-node or a similar item in the Advanced sidebar list or by clicking Change Bytes per i-node on the toolbar.If you select a partition with another file system, mentioned sidebar and context menu items will be unavailable.
    • Enter the new amount of bytes per descriptor (i-node) in the Change bytes per i-node window.
    • By clicking OK, you'll add the pending operation of Linux Ext2/Ext3 partition i-node resizing (your actions may only undo or modify an existing operation, see Modifying pending operations).
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