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Revision as of 20:08, 4 January 2014 by AdamT (talk | contribs) (Defrag on SSD: No further discussion. Note added to article for future clarification. Closing for deletion.)
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Grub Partition Offset

I can confirm that btrfs can be installed without creating a 1 or 2 MB partition at the beginning of the disk using the latest December ISO.

donniezazen (talk) 07:45, 05 December 2013 (IST)

Things to do

Here are some items that seem to need addressing on this article. I am working on various parts of it at the moment.

  1. Reflow headings:
    1. Goals: Effective_Use_of_Headers#Use_of_headers_and_headings
      1. Helpful ideas:
        1. Effective_Use_of_Headers#False_multi-level_structure
          1. Side-note
          2. Auxiliary information
        2. Effective_Use_of_Headers#Multi-level_structure
          1. Group arguments
          2. Alternative arguments
          3. Contradictory arguments
        3. Effective_Use_of_Headers#The_header_text
        4. Article_Naming_Guidelines
          1. Specificity, "Descriptivity," Brevity, "Expandibility,"
      2. See Btrfs Wiki for ideas.
      3. See Beginners' Guide for ideas.
    2. Proposed changes
      1. "Installation" -> "Preparation"
        1. New -> "System Requirements"
        2. Remove -> "Additional packages"
          1. Move -> links to "See also" or "Related".
        3. "Partitioning" -> "Prepare the storage drive"
          1. OR: "Partitioning" (as a child) -> "Choose a partition scheme"
      2. New -> "Create file systems"
        1. "Creating a new file system" -> "New file systems"
          1. "Examples"
            1. New -> "Single-drive file systems"
            2. "Multi-device filesystem and RAID feature" -> "Multi-drive file systems"
              1. Reduce content, provide links to "Btrfs Wiki" instead.
        2. "Convert from Ext3/4" -> "Convert existing file system"
      3. New -> "Configuring the file system"
        1. OR: Move -> "Tips and tricks"
        2. Move -> "Mount options"
          1. "Copy-On-Write (CoW)" -> "Copy-on-write"
            1. "Checkpoint Interval" -> Merge
          2. Move -> "Compression"
        3. New -> "Skinny extents"
        4. Move -> "Sub-volumes"
        5. New -> "Quotas"
      4. New -> "File system management"
        1. Move -> "Balance"
        2. Move -> "Defragmentation"
        3. Move -> "Display used/free space"
        4. Move -> "Balance"
        5. Move -> "Snapshots"
      5. Move -> "Tips and tricks"
      6. New -> "Troubleshooting"
        1. Move -> "Encryption"
        2. Move -> "GRUB"
        3. Move -> "Swap file"
        4. New -> "Btrfsck"
          1. See ->
      7. Move -> "See also"

Edits: AdamT (Talk) 08:27, 28 November 2013 (UTC); AdamT (Talk) 04:03, 29 November 2013 (UTC); AdamT (Talk) 04:10, 29 November 2013 (UTC); AdamT (Talk) 02:35, 4 December 2013 (UTC)

Defrag on SSD

The wiki currently recommends mount options for autodefrag see here; I thought defrag on SSDs was considered wasteful with no performance gains. Am I mistaken? Graysky (talk) 11:07, 28 November 2013 (UTC)

Hey Graysky, good point, but Btrfs seems to be a bit different in this regard (at least at present): Btrfs Wiki Gotchas, Btrfs Wiki Mount options, and Phoronix 3.11 Benchmarking.
Maybe after the bug mentioned in "Gotchas" is squashed it may not be necessary, but the developers mention adding autodefrag as a default in the future, and I am not clear whether or not this will be applied to both SSDs and HDDs. Further, noting the benchmarks from Phoronix, at worst autodefrag does not seem to have a performance hit on SSDs. If you have sources that indicate differently please let me know, but at present this is the best I have found. I will add a tentative note to the section in question in case others have similar questions. -- AdamT (Talk) 19:27, 28 November 2013 (UTC)

Capitalization: "Btrfs" or "btrfs"?

Wikipedia uses "Btrfs", whereas the official wiki uses both "Btrfs" and "btrfs" inconsistently. Sometimes there's even "BTRFS". What is the correct capitalization?

Edit: It seems that official man pages use "btrfs" consistently.

-- Lahwaacz (talk) 12:17, 22 December 2013 (UTC)

Related: Help_talk:Style#Application_name. -- Kynikos (talk) 08:26, 23 December 2013 (UTC)
What should we follow for this article for consistency sake if nothing else? For what it is worth Chris Mason seemed to consistently use "Btrfs" circa-2008: [1] and [2]. AdamT (Talk) 20:07, 4 January 2014 (UTC)