btrfs is a B-tree based, copy-on-write filesystem for Linux. It's main features include snapshots, checksumming of data and filesystem level RAID support. It's similar to [tag:ZFS].

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btrfs-enabled backup solution

With btrfs hitting production in Oracle EL 14th this month (together with working fsck and scrubbing from Linux 3.2) I was thinking of redesigning my current backup solution to utilise it. Note that ...
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Install Ubuntu with BTRFS and more subvolumes

I want to install an Ubuntu Server 11.10 with a BTRFS filesystem (in a RAID1 way). The problem is that I can't see the option in the installer to make more subvolumes. The installer creates two by ...
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1answer
170 views

Different options on btrfs subvolumes

I'm using kernel 3.0 and was wondering if btrfs supports / is planning to support different options on different subvolumes. For example I'd like to turn compression on for /usr, /lib, ..., but not ...
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Verify TRIM support with BtrFS on SSD

We are looking into using BtrFS on an array of SSD disks and I have been asked to verify that BtrFS does in fact perform TRIM operations upon deleting a file. So far I have been unable to verify that ...
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3answers
781 views

Which filesystems offer snapshot functionality for users to recover data?

I'm working on a project that will teach linux to youth. Knowing they will have a tendency to delete or corrupt items in their home directories we are looking for a good snapshot option. We will not ...
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1answer
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Appropriate Linux (ubuntu 10.04) FS type for rapid FS management many small files and directories [duplicate]

Possible Duplicate: Linux's best filesystem to work with 10000's of files without overloading the system I/O I have an 240gb image store of approximately 1.5 million entries. About ...
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LVM snapshots vs. file system snapshots

As far as I know, LVM makes it possible to take snapshots of a volume. There are also a number of file systems (ZFS, Btrfs, reiserfs, ...) which supports snapshots. However, I've never understood the ...
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3answers
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What is the fastest way to remove thousands of files on a btrfs filesystem?

Currently I have a btrfs mount point with a structure like this:# /mountpoint/month/day/hourAs24/ and each leaf directory contains between 5,000 to 20,000 small files. There I keep the files for ...
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Is btrfs production ready?

I've seen a lot of information on btrfs lately. I have been considering ext4 for my next filesystem, but am tempted by btrfs instead. How widely used is btrfs? What are the pro's and con's?
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btrfs: can i create a btrfs file system with data as jbod and metadata mirrored

I am trying to build a server that will be my NAS/Media server as well a the XBMC front end. I am planning on using Ubuntu with btrfs for the NAS part of it. The current setup consists of 1TB hdd ...
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3answers
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btrfs vs. ZFS on a Ubuntu file server

I have a server which is running Ubuntu (Server Edition), and its main job is serving files through FTP (vsftpd) and AFP (netatalk). My /srv directory is starting to fill up, and I need to add more ...
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2answers
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BTrFS crashhhh?

I create a new BTrFS raid10 file system using two 250GB drives and the second partition on a third 80GB drive. I create a subvol and snapshot. I mount the snapshot and start copying 8GB of data to it. ...
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2answers
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How do I improve my incremental-backup performance?

I'm currently using the traditional rsync+cp -al method to create incremental/snapshot backups of our server tree. The backups are going onto a pair of eight-disk towers connected to the backup ...
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6answers
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Multi device BTRFS filesystem with disk of different size

I have an existing BTRFS filesystem composed of one 500GB disk and I just bought a 2TB disk to increase the storage capacity of my home server and I want add the new disk to the existing filesystem. ...
3
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1answer
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Mount two btrfs subvolumes simultaneously

Here's a hypothetical setup on a recent linux kernel: /dev/sda1 is formatted as btrfs I then run the following to make two subvolumes on the the root of /dev/sda1: $ mount /dev/sda1 /mnt $ btrfs ...
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1answer
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How can I format a BTRFS Raid 1 mount?

I'm using a fairly vanilla Ubuntu 10.04 server installation, and I'm experimenting with BTRFS. How can I create a BTRFS RAID1 mount? I've got two (2) 1Gig drives that I popped in the server and ...
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3answers
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Backup/Clone a btrfs partition

I've been looking for this for sometime to no avail. Is it possible to backup a btrfs partition verbatim (including all the shared structures which save space by marking snapshot trees as COW) to ...
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5answers
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Does Windows have a checksumming filesystem like ZFS or BtrFS?

I use ZFS and love it. I know that BtrFS also supports checksumming. I've been told that checksumming is available in Windows 2008, but I've been unable to verify this. Are there checksumming ...
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How does BTRFS compare to ZFS?

I am considering which OS and filesystem to use on some new servers I have and am considering either Free BSD with ZFS, or Linux with BTRFS. The programs I have run on both systems, so the only ...