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Screenshot of usage information of a Btrfs filesystem
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Scaling is not just about addressing the storage but also means being able to administer and to manage it with a clean interface that lets people see what's being used and makes it more reliable". Chris Mason, the principal Btrfs author, stated that its goal was "to let scale for the storage that will be available. ītrfs is intended to address the lack of pooling, snapshots, checksums, and integral multi-device spanning in Linux file systems. According to Oracle, Btrfs "is not a true acronym". It was initially designed at Oracle Corporation in 2007 for use in Linux, and since November 2013, the file system's on-disk format has been declared stable in the Linux kernel. Yes ( zlib, LZO and (since 4.14) ZSTD )ītrfs (pronounced as "better F S", "butter F S", "b-tree F S", or simply by spelling it out) is a computer storage format that combines a file system based on the copy-on-write (COW) principle with a logical volume manager (not to be confused with Linux's LVM), developed together. Linux kernel 2.6.29, March 2009 13 years ago ( 2009-03)Ģ55 ASCII characters (fewer for multibyte character encodings such as Unicode)Ĭreation (otime), modification (mtime), attribute modification (ctime), and access (atime) Facebook, Fujitsu, Fusion-IO, Intel, Linux Foundation, Netgear, Oracle Corporation, Red Hat, STRATO AG, and openSUSE