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The document discusses different approaches for distributed metadata management in scale-out storage systems. It describes the limitations of centralized and decentralized metadata approaches, which can result in overhead and single points of failure. It then introduces the Elastic Hash Algorithm used by GlusterFS, which hashes file paths to assign data across multiple volumes and physical devices
About extundelete extundelete is a utility that can recover deleted files from an ext3 or ext4 partition. The ext3 and ext4 file systems are the most common default file systems in Linux distributions like Mint, Mageia, or Ubuntu. extundelete uses information stored in the partition's journal to attempt to recover a file that has been deleted from the partition. There is no guarantee that any part
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