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Submission + - Serious EXT4 Data Corruption Bug Hits Linux Kernel ( 1

An anonymous reader writes: An EXT4 file-system data corruption issue has reached the stable Linux kernel. The latest Linux 3.4, 3.5, 3.6 stable kernels have an EXT4 file-system bug described as an apparent serious progressive ext4 data corruption bug. Kernel developers have found and bisected the kernel issue but are still working on a proper fix for the stable Linux kernel. The EXT4 file-system can experience data loss if the file-system is remounted (or the system rebooted) too often.
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Serious EXT4 Data Corruption Bug Hits Linux Kernel

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  • It's really between EXT and XFS at this point.

    BTRFS is too new (keeps getting new features, has some drawbacks, and FSCK doesn't work) and specifically for SSD and other random-optimized media. BTRFS assumes reading from random areas is fast, and so writes linear meta-data because it's easy to find the meta-data and no seek time is incurred reading it; whereas searching and allocating and optimizing and packing is intensive and slow--better for spinning disks, but a lot of work for no benefit on SSD.


Nature, to be commanded, must be obeyed. -- Francis Bacon