1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

Fedora 13 Btrfs Rollback Support Moves Along

Fedora

Published on 18 January 2010 10:20 PM EST
Written by Michael Larabel in Fedora
9 Comments

Back in November one of the features that was talked about as a possibility for Fedora 13 was Btrfs system rollback support. One of the advantages of the Btrfs file-system compared to most other Linux file-systems is support for snapshots. With this Fedora feature it would automatically create a file-system snapshot before each yum transaction. In the event the RPM packages being touched cause havoc on the system or any problems arise, the user could simply reboot and choose an earlier Btrfs snapshot to boot. The Btrfs file-system is not yet stable and is not used by default on Fedora Linux, but it's been an install-time option since last year.

When talking about the state of Fedora 13 features last week following our early Fedora 13 benchmarks, the Btrfs system snapshot feature was marked as being 0% complete. However, the Fedora 13 feature list has been updated and this feature is now deemed 80% complete.

The SystemRollbackWithBtrfs page mentions that patches for listing sub-volumes and setting default sub-volumes have been submitted to the Btrfs mailing list and that these patches, which are needed for this feature to work, should end up reaching the inbox of Linus Torvalds within the next two weeks. Hopefully this work will get pulled into the Linux 2.6.33 kernel, albeit it's quite late into the development cycle.

Besides the Btrfs patches, a yum plug-in continues to be worked on that automatically calls upon Btrfs to create the file-system snapshots. What has not been started yet is the Palimpsest code for handling the Btrfs snapshots, but that's simply being postponed until the aforementioned Btrfs patches are found within Fedora's Rawhide kernel.

It looks like this feature should end up making it in time for Fedora 13, but it won't be of benefit to many until the Btrfs file-system is used by default within Fedora, which still may be a ways away.

Besides updating the Btrfs system rollback status, the implicit DSO linking, NFSv4 support by default (now 100% complete), NFS client IPv6 support, and DisplayPort support for the Nouveau driver features have also been updated.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. Scythe Mugen MAX
  2. Intel Core i7 5960X Haswell-E On Linux
  3. Intel 80GB 530 Series M.2 SSD On Linux
  4. With A New Motherboard, The Core i7 5960X Haswell-E Lights Up
Latest Linux Articles
  1. MSAA RadeonSI Gallium3D Performance Preview
  2. Intel Core i7 5960X CPU Core Scaling Under Linux
  3. AMD RadeonSI Gallium3D Performance For 4K Linux Gaming
  4. 9-Way File-System Comparison With A SSD On The Linux 3.17 Kernel
Latest Linux News
  1. Nouveau For Linux 3.18 Gains DP Audio, More Re-Clocking
  2. SUSE Gets Bought Out Again
  3. Enlightenment E19 Officially Released With Its Own Wayland Compositor
  4. OpenMediaVault 1.0 Released As New Linux NAS Alternative
  5. VESA Releases DisplayPort 1.3, Pushes 32.4 Gbits/sec
  6. Opera 25 Beta Has Bookmarks & Linux Support
  7. LLVM Clang Now Builds Even More Debian Packages
  8. Pyston 0.2 Is A Heck Of A Lot Better At Running Python Programs
  9. Linux 3.17-rc5 Kernel Released
  10. FreeBSD 10.1 In Beta Ahead Of Planned Release Next Month
Latest Forum Discussions
  1. Updated and Optimized Ubuntu Free Graphics Drivers
  2. support for first generation UVD blocks (RV6xx, RS780, RS880 and RV790)
  3. New Group Calls For Boycotting Systemd
  4. Nvidia joins the ranks of Apple and Microsoft
  5. Hd 6850
  6. nv and xorg.conf under Debian PPC
  7. X.Org Is Looking For Some Female Help
  8. FSF Issues Their Rebuttal To Apple's New iPhone, Watch & Apple Pay