Linked by Thom Holwerda on Mon 7th Jun 2010 10:15 UTC, submitted by kragil
Linux Employees of Lawrence Livermore National Laboratory have ported Sun's/Oracle's ZFS natively to Linux. Linux already had a ZFS port in userspace via FUSE, since license incompatibilities between the CDDL and GPL prevent ZFS from becoming part of the Linux kernel. This project solves the licensing issue by distributing ZFS as a separate kernel module users will have to download and build for themselves.
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RE: brtfs
by phoenix on Mon 7th Jun 2010 19:29 UTC in reply to "brtfs"
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btrfs doesn't support pooled storage.
btrfs doesn't support RAID levels above 1 (RAID10 is not higher than 1).
btrfs doesn't do end-to-end checksumming and self-healing.
btrfs doesn't do encryption (still an experimental feature in ZFS, but it's being worked on).
btrfs doesn't do deduplication.

Those are just some things I can think of off the top of my head. There's bound to be a lot more, considering the relative immaturity of the btrfs codebase compared to the ZFS codebase.

IOW, btrfs is where ZFS was 10 years ago. Explain to me again how btrfs is so much better, and will rule the storage world? ;)

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