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The advanced Butter/Better/B-tree Filesystem, Btrfs, is still labeled as experimental in the Btrfs Wiki and on Oracle's Btrfs page though the Oracle page looks outdated.
Linux Mint 10 is the first version of Linux Mint with built-in support for the B-tree File System (btrfs). Btrfs is one of the newest file systems in the Linux kernel. It is a copy on write file system with the following features: snapshotting and writtable snapshots, object-level mirroring and stripping, file system compression, multi-device [...]
Like Ubuntu 11.04 on which it is based, Linux Mint 11 has support for btrfs, a modern journaling file system with features that are not available on the default file system on Linux. For example, with btrfs, you can: Writable snapshots Subvolumes (separate internal filesystem roots) Object level mirroring and striping Integrated multiple device support, [...]
How To Convert An ext3/ext4 Root File System To btrfs On Ubuntu 12.10
ext3 and ext4 file systems can be converted to btrfs. For non-root
file systems, this can be done online (i.e., without reboot), while for
root file systems we need to boot into some kind of rescue system or
Live CD.
Boot On BTRFS With Debian
This tutorial will explain you how to boot from a BTRFS filesystem
with kernel 2.6.31-RC4 and BTRFS 0.19. BTRFS is a new filesystem with
some really interesting features like online defragmenting and
snapshots. BTRFS is an experimental filesystem, use at your own risk.
The kernel used is also experimental.
When using the compress mount option, there's usually a message in dmesg with btrfs recognizing that compression is enabled.I guess one way to confirm compression is enabled is to do something likedd if=/dev/zero of=file bs=1M count=1024
btrfs fi sync /btrfsmountpoint
du -h file then check the file size.Also, I think it should be lzo and not Lzo.
I have decided to give btrfs raid capabilities a try. I set up a btrfs with
sudo mkfs.btrfs -m raid10 -d raid10 /dev/sda9 /dev/sdb9 /dev/sdc9 /dev/sdd9
Now I want to clone my existing btrfs partition, (which sits on top of linux-raid).
I've trawled mailing lists and finally finished up on Ubuntu's btrfs page, and am left feeling that btrfs still does not have a full fixing utility (as indicated on their home page). Even though months ago it was slated for being the default for Oracle's linux and is included in many distros.
So, in lieu of that, is there a troubleshooting guide somewhere about how to fix btrfs?
By Emma Rosenberg
In this tutorial, the reader will learn how to install the Linux Mint 12 KDE on a btrfs file system. The B-tree File system (abbreviated to acronym Btrfs) has not matured far enough to be used as a default file system on Linux machines.
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