@qu1j0t3 According to an article on H-Open by Dr Oliver Diedrich: "With its integrated volume management, checksums for data integrity,Copy on Write and snapshots, Btrfs offers a range of features unrivalled by any of the Linux file systems currently in production use."
I see both volume management and checksums on the list.
Further down in the same article: "RAID functionality is an integral feature (only RAID-0, RAID-1 and RAID-10 are currently available, however). Devices can be added and removed during operation. What's still missing is RAID-5 and RAID-6 with one or two redundant disks."
So data redundancy is built in as well.
Also: "The file system can be up-sized or down-sized as well as de-fragmented during operation."
So btrfs also features built in defragmentation. Perhaps you can tell me about how ZFS handles fragmentation?
The reality is that because of the constraints of IP law, attempting to relicense ANY major piece of software is a VERY big deal. That is probably why Oracle is putting all of their effort into getting btrfs out the door.
To see how big a deal btrfs is in terms of the future, I suggest anyone interested do a search on Coherent Remote File System. Oracle is placing some major bets on this technology which is going to eclipse ZFS guaranteed.
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