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NILFS: A File System to Make SSDs Scream (Linux Mag)NILFS: A File System to Make SSDs Scream (Linux Mag)
[Press] Posted Jun 3, 2009 13:04 UTC (Wed) by corbet
Linux Magazine has a look at the Nilfs2 filesystem which is part of 2.6.30. "One of the most noticeable features of NILFS is that it can 'continuously and automatically save instantaneous states of the file system without interrupting service'. NILFS refers to these as checkpoints. In contrast, other file systems such as ZFS, can provide snapshots but they have to suspend operation to perform the snapshot operation. NILFS doesn’t have to do this. The snapshots (checkpoints) are part of the file system design itself."
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