<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" encoding="UTF-8" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:admin="http://webns.net/mvcb/" xmlns:atom="http://www.w3.org/2005/Atom/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:fireside="http://fireside.fm/modules/rss/fireside">
  <channel>
    <fireside:hostname>web01.fireside.fm</fireside:hostname>
    <fireside:genDate>Sat, 18 Apr 2026 06:15:53 -0500</fireside:genDate>
    <generator>Fireside (https://fireside.fm)</generator>
    <title>LINUX Unplugged - Episodes Tagged with “Copy On Write”</title>
    <link>https://linuxunplugged.com/tags/copy%20on%20write</link>
    <pubDate>Sun, 14 Jan 2024 18:45:00 -0800</pubDate>
    <description>An open show powered by community LINUX Unplugged takes the best attributes of open collaboration and turns it into a weekly show about Linux.
</description>
    <language>en-us</language>
    <itunes:type>episodic</itunes:type>
    <itunes:subtitle>Weekly Linux talk show with no script, no limits, surprise guests and tons of opinion.</itunes:subtitle>
    <itunes:author>Jupiter Broadcasting</itunes:author>
    <itunes:summary>An open show powered by community LINUX Unplugged takes the best attributes of open collaboration and turns it into a weekly show about Linux.
</itunes:summary>
    <itunes:image href="https://media24.fireside.fm/file/fireside-images-2024/podcasts/images/f/f31a453c-fa15-491f-8618-3f71f1d565e5/cover.jpg?v=3"/>
    <itunes:explicit>no</itunes:explicit>
    <itunes:owner>
      <itunes:name>Jupiter Broadcasting</itunes:name>
      <itunes:email>chris@jupiterbroadcasting.com</itunes:email>
    </itunes:owner>
<itunes:category text="Technology"/>
<itunes:category text="News">
  <itunes:category text="Tech News"/>
</itunes:category>
<item>
  <title>545: 3,062 Days Later</title>
  <link>https://linuxunplugged.com/545</link>
  <guid isPermaLink="false">68fe1969-ffa1-4b85-b085-6017edb3a588</guid>
  <pubDate>Sun, 14 Jan 2024 18:45:00 -0800</pubDate>
  <author>Jupiter Broadcasting</author>
  <enclosure url="https://aphid.fireside.fm/d/1437767933/f31a453c-fa15-491f-8618-3f71f1d565e5/68fe1969-ffa1-4b85-b085-6017edb3a588.mp3" length="48100071" type="audio/mp3"/>
  <itunes:episodeType>full</itunes:episodeType>
  <itunes:author>Jupiter Broadcasting</itunes:author>
  <itunes:subtitle>Kent Overstreet, the creator of bcachefs, helps us understand where his new filesystem fits, what it's like to upstream a new filesystem, and how they've solved the RAID write hole.</itunes:subtitle>
  <itunes:duration>57:15</itunes:duration>
  <itunes:explicit>no</itunes:explicit>
  <itunes:image href="https://media24.fireside.fm/file/fireside-images-2024/podcasts/images/f/f31a453c-fa15-491f-8618-3f71f1d565e5/cover.jpg?v=3"/>
  <description>Kent Overstreet, the creator of bcachefs, helps us understand where his new filesystem fits, what it's like to upstream a new filesystem, and how they've solved the RAID write hole. Special Guest: Kent Overstreet.
</description>
  <itunes:keywords>Jupiter Broadcasting, Linux Podcast, Linux Unplugged, bcachefs, Kent Overstreet, bcachefs, ZFS, XFS, Copy on Write, CoW, checksumming, replication, erasure coding, compression, encryption, snapshots, SCaLE, Raspberry Pi, btrfs, filesystems, performance, reliability, community, boosts, 32-bit challenge, BBS, Linux, technology, snapshots, scalability, NixOS, CI, database, modern filesystem, Rust, bcache, caching, write hole, RAID, upstreaming, Linus, car camping, tail latency, low latency</itunes:keywords>
  <content:encoded>
    <![CDATA[<p>Kent Overstreet, the creator of bcachefs, helps us understand where his new filesystem fits, what it&#39;s like to upstream a new filesystem, and how they&#39;ve solved the RAID write hole.</p><p>Special Guest: Kent Overstreet.</p><p>Sponsored By:</p><ul><li><a rel="nofollow" href="http://tailscale.com/linuxunplugged">Tailscale</a>: <a rel="nofollow" href="http://tailscale.com/linuxunplugged">Tailscale is a programmable networking software that is private and secure by default - get it free on up to 100 devices!</a></li><li><a rel="nofollow" href="https://1password.com/unplugged">1Password Extended Access Management</a>: <a rel="nofollow" href="https://1password.com/unplugged">Secure every sign-in for every app on every device.</a></li></ul><p><a rel="payment" href="https://jupitersignal.memberful.com/checkout?plan=52946">Support LINUX Unplugged</a></p><p>Links:</p><ul><li><a title="💥 Gets Sats Quick and Easy with Strike" rel="nofollow" href="https://strike.me/">💥 Gets Sats Quick and Easy with Strike</a></li><li><a title="📻 LINUX Unplugged on Fountain.FM" rel="nofollow" href="https://www.fountain.fm/show/dWiuBeqpDSM86AwXRXov">📻 LINUX Unplugged on Fountain.FM</a></li><li><a title="Boltz" rel="nofollow" href="https://boltz.exchange/">Boltz</a> &mdash; Privacy First, Non-Custodial Bitcoin Exchange.</li><li><a title="bcachefs" rel="nofollow" href="https://bcachefs.org/">bcachefs</a> &mdash; bcachefs is an advanced new filesystem for Linux, with an emphasis on reliability and robustness and the complete set of features one would expect from a modern filesystem.
</li><li><a title="bcachefs Erasure coding" rel="nofollow" href="https://bcachefs.org/ErasureCoding/">bcachefs Erasure coding</a> &mdash; Bcachefs takes advantage of the fact that it is already a copy-on-write filesystem. If we're designing our filesystem to avoid update-in-place, why would we do update-in-place in our RAID implementation?</li><li><a title="bcachefs Caching" rel="nofollow" href="https://bcachefs.org/Caching/">bcachefs Caching</a> &mdash; bcachefs can be configured for writethrough, writeback, and writearound caching, as well as other more specialized setups.


</li><li><a title="bachefs Compression" rel="nofollow" href="https://bcachefs.org/Compression/">bachefs Compression</a> &mdash; Unlike other filesystems that typically do compression at the block level, bcachefs does compression at the extent level - variable size chunks, up to (by default) 128k.</li><li><a title="bcachefs Encryption" rel="nofollow" href="https://bcachefs.org/Encryption/">bcachefs Encryption</a> &mdash; bcachefs uses AEAD style encryption (ChaCha20/Poly1305), where each encrypted block is authenticated with a MAC, with a chain of trust up to root (the superblock), and every encrypted block has a unique nonce.
</li><li><a title="bcachefs Snapshots" rel="nofollow" href="https://bcachefs.org/Snapshots/">bcachefs Snapshots</a> &mdash; bcachefs provides Btrfs style writeable snapshots, at subvolume granularity.
</li><li><a title="(2015) [ANNOUNCE] bcachefs - a general purpose COW filesystem" rel="nofollow" href="https://lkml.org/lkml/2015/8/21/22">(2015) [ANNOUNCE] bcachefs - a general purpose COW filesystem</a> &mdash; It's taken a long time to get to this point - longer than I would have guessed if you'd asked me back when we first started talking about it - but I'm pretty damn proud of where it's at now.</li><li><a title="Kent Overstreet&#39;s Patreon" rel="nofollow" href="https://www.patreon.com/bcachefs">Kent Overstreet's Patreon</a></li><li><a title="Unplugged Core Membership" rel="nofollow" href="https://unpluggedcore.com/">Unplugged Core Membership</a></li><li><a title="Jupiter Signal PROMO 2024" rel="nofollow" href="https://jupitersignal.memberful.com/checkout?plan=74364&amp;coupon=2024">Jupiter Signal PROMO 2024</a> &mdash; $3 off a month forever.
</li><li><a title="Webamp" rel="nofollow" href="https://webamp.org/">Webamp</a> &mdash; Winamp 2 re-implemented for the browser.
</li><li><a title="Webamp on GitHub" rel="nofollow" href="https://github.com/captbaritone/webamp">Webamp on GitHub</a> &mdash; Winamp 2 reimplemented for the browse.
</li><li><a title="The Official JB BBS!" rel="nofollow" href="http://pebkac.lol">The Official JB BBS!</a> &mdash; vt52 hosts our new official JB BBS! `telnet http://pebkac.lol`</li></ul>]]>
  </content:encoded>
  <itunes:summary>
    <![CDATA[<p>Kent Overstreet, the creator of bcachefs, helps us understand where his new filesystem fits, what it&#39;s like to upstream a new filesystem, and how they&#39;ve solved the RAID write hole.</p><p>Special Guest: Kent Overstreet.</p><p>Sponsored By:</p><ul><li><a rel="nofollow" href="http://tailscale.com/linuxunplugged">Tailscale</a>: <a rel="nofollow" href="http://tailscale.com/linuxunplugged">Tailscale is a programmable networking software that is private and secure by default - get it free on up to 100 devices!</a></li><li><a rel="nofollow" href="https://1password.com/unplugged">1Password Extended Access Management</a>: <a rel="nofollow" href="https://1password.com/unplugged">Secure every sign-in for every app on every device.</a></li></ul><p><a rel="payment" href="https://jupitersignal.memberful.com/checkout?plan=52946">Support LINUX Unplugged</a></p><p>Links:</p><ul><li><a title="💥 Gets Sats Quick and Easy with Strike" rel="nofollow" href="https://strike.me/">💥 Gets Sats Quick and Easy with Strike</a></li><li><a title="📻 LINUX Unplugged on Fountain.FM" rel="nofollow" href="https://www.fountain.fm/show/dWiuBeqpDSM86AwXRXov">📻 LINUX Unplugged on Fountain.FM</a></li><li><a title="Boltz" rel="nofollow" href="https://boltz.exchange/">Boltz</a> &mdash; Privacy First, Non-Custodial Bitcoin Exchange.</li><li><a title="bcachefs" rel="nofollow" href="https://bcachefs.org/">bcachefs</a> &mdash; bcachefs is an advanced new filesystem for Linux, with an emphasis on reliability and robustness and the complete set of features one would expect from a modern filesystem.
</li><li><a title="bcachefs Erasure coding" rel="nofollow" href="https://bcachefs.org/ErasureCoding/">bcachefs Erasure coding</a> &mdash; Bcachefs takes advantage of the fact that it is already a copy-on-write filesystem. If we're designing our filesystem to avoid update-in-place, why would we do update-in-place in our RAID implementation?</li><li><a title="bcachefs Caching" rel="nofollow" href="https://bcachefs.org/Caching/">bcachefs Caching</a> &mdash; bcachefs can be configured for writethrough, writeback, and writearound caching, as well as other more specialized setups.


</li><li><a title="bachefs Compression" rel="nofollow" href="https://bcachefs.org/Compression/">bachefs Compression</a> &mdash; Unlike other filesystems that typically do compression at the block level, bcachefs does compression at the extent level - variable size chunks, up to (by default) 128k.</li><li><a title="bcachefs Encryption" rel="nofollow" href="https://bcachefs.org/Encryption/">bcachefs Encryption</a> &mdash; bcachefs uses AEAD style encryption (ChaCha20/Poly1305), where each encrypted block is authenticated with a MAC, with a chain of trust up to root (the superblock), and every encrypted block has a unique nonce.
</li><li><a title="bcachefs Snapshots" rel="nofollow" href="https://bcachefs.org/Snapshots/">bcachefs Snapshots</a> &mdash; bcachefs provides Btrfs style writeable snapshots, at subvolume granularity.
</li><li><a title="(2015) [ANNOUNCE] bcachefs - a general purpose COW filesystem" rel="nofollow" href="https://lkml.org/lkml/2015/8/21/22">(2015) [ANNOUNCE] bcachefs - a general purpose COW filesystem</a> &mdash; It's taken a long time to get to this point - longer than I would have guessed if you'd asked me back when we first started talking about it - but I'm pretty damn proud of where it's at now.</li><li><a title="Kent Overstreet&#39;s Patreon" rel="nofollow" href="https://www.patreon.com/bcachefs">Kent Overstreet's Patreon</a></li><li><a title="Unplugged Core Membership" rel="nofollow" href="https://unpluggedcore.com/">Unplugged Core Membership</a></li><li><a title="Jupiter Signal PROMO 2024" rel="nofollow" href="https://jupitersignal.memberful.com/checkout?plan=74364&amp;coupon=2024">Jupiter Signal PROMO 2024</a> &mdash; $3 off a month forever.
</li><li><a title="Webamp" rel="nofollow" href="https://webamp.org/">Webamp</a> &mdash; Winamp 2 re-implemented for the browser.
</li><li><a title="Webamp on GitHub" rel="nofollow" href="https://github.com/captbaritone/webamp">Webamp on GitHub</a> &mdash; Winamp 2 reimplemented for the browse.
</li><li><a title="The Official JB BBS!" rel="nofollow" href="http://pebkac.lol">The Official JB BBS!</a> &mdash; vt52 hosts our new official JB BBS! `telnet http://pebkac.lol`</li></ul>]]>
  </itunes:summary>
</item>
<item>
  <title>358: Our Fragmented Favorite</title>
  <link>https://linuxunplugged.com/358</link>
  <guid isPermaLink="false">f6bb5162-a188-4bc2-bcd8-0ec587e032e2</guid>
  <pubDate>Tue, 16 Jun 2020 21:45:00 -0700</pubDate>
  <author>Jupiter Broadcasting</author>
  <enclosure url="https://aphid.fireside.fm/d/1437767933/f31a453c-fa15-491f-8618-3f71f1d565e5/f6bb5162-a188-4bc2-bcd8-0ec587e032e2.mp3" length="53132666" type="audio/mp3"/>
  <itunes:episodeType>full</itunes:episodeType>
  <itunes:author>Jupiter Broadcasting</itunes:author>
  <itunes:subtitle>It's time to challenge some long-held assumptions.

Today's Btrfs is not yesterday's hot mess, but a modern battle-tested filesystem, and we'll prove it.

Plus our thoughts on GitHub dropping the term "master", and the changes Linux should make NOW to compete with commercial desktops.</itunes:subtitle>
  <itunes:duration>1:13:47</itunes:duration>
  <itunes:explicit>no</itunes:explicit>
  <itunes:image href="https://media24.fireside.fm/file/fireside-images-2024/podcasts/images/f/f31a453c-fa15-491f-8618-3f71f1d565e5/cover.jpg?v=3"/>
  <description>It's time to challenge some long-held assumptions.
Today's Btrfs is not yesterday's hot mess, but a modern battle-tested filesystem, and we'll prove it.
Plus our thoughts on GitHub dropping the term "master", and the changes Linux should make NOW to compete with commercial desktops. Special Guests: Brent Gervais, Drew DeVore, and Neal Gompa.
</description>
  <itunes:keywords>Linux Podcast, Unplugged, A Cloud Guru, Jupiter Broadcasting, SpaceX, Starlink, Falcon 9, Crew Dragon, preempt, disk partitioning, disk layout, NVMe, SSD, Btrfs, ZFS, CoW, copy on write, snapshots, checksums, data integrity, LVM, XFS, EXT4, Facebook, Fedora, filesystem, Fedora Workstation, containers, Docker, Flatpak, disk space, GitHub, master, welcoming nomenclature, Rich Bowen, Matt Ahrens, redis, python, ruby, GIMP, Pine64, PinePhone, PineTab, postmarketOS, Librem 5, Purism, Phosh, phone, mobile, macOS, Apple, Windows, accesibility, proprietary software, Pipewire, media production</itunes:keywords>
  <content:encoded>
    <![CDATA[<p>It&#39;s time to challenge some long-held assumptions.</p>

<p>Today&#39;s Btrfs is not yesterday&#39;s hot mess, but a modern battle-tested filesystem, and we&#39;ll prove it.</p>

<p>Plus our thoughts on GitHub dropping the term &quot;master&quot;, and the changes Linux should make NOW to compete with commercial desktops.</p><p>Special Guests: Brent Gervais, Drew DeVore, and Neal Gompa.</p><p><a rel="payment" href="https://jupitersignal.memberful.com/checkout?plan=52946">Support LINUX Unplugged</a></p><p>Links:</p><ul><li><a title="SpaceX: We’ve launched 32,000 Linux computers into space for Starlink internet" rel="nofollow" href="https://www.zdnet.com/article/spacex-weve-launched-32000-linux-computers-into-space-for-starlink-internet/">SpaceX: We’ve launched 32,000 Linux computers into space for Starlink internet</a></li><li><a title="Issue #54: Default disk partitioning layout for Workstation - fedora-workstation - Pagure.io" rel="nofollow" href="https://pagure.io/fedora-workstation/issue/54">Issue #54: Default disk partitioning layout for Workstation - fedora-workstation - Pagure.io</a></li><li><a title="16 Jun, MEETING AGENDA - desktop - Fedora Mailing-Lists" rel="nofollow" href="https://lists.fedoraproject.org/archives/list/desktop@lists.fedoraproject.org/thread/6375WIG53QWL6BXHIPSFNNLA7BZ7PYKW/">16 Jun, MEETING AGENDA - desktop - Fedora Mailing-Lists</a></li><li><a title="[Discussion] What do we think about Github’s decision to start using main instead of master as a branch name?" rel="nofollow" href="https://www.reddit.com/r/linux/comments/h94oiz/discussion_what_do_package_maintainers_think/">[Discussion] What do we think about Github’s decision to start using main instead of master as a branch name?</a></li><li><a title="ZFS co-creator boots ‘slave’ out of OpenZFS codebase, says ‘casual use’ of term is ‘unnecessary reference to a painful experience’" rel="nofollow" href="https://www.theregister.com/2020/06/12/openzfs_terminology_change/">ZFS co-creator boots ‘slave’ out of OpenZFS codebase, says ‘casual use’ of term is ‘unnecessary reference to a painful experience’</a></li><li><a title="OpenZFS: Remove unnecessary references to slavery" rel="nofollow" href="https://github.com/openzfs/zfs/pull/10435">OpenZFS: Remove unnecessary references to slavery</a></li><li><a title="GitHub will no longer use the term ‘master’ as default branch because of negative association - r/programming" rel="nofollow" href="https://old.reddit.com/r/programming/comments/h8w36t/github_will_no_longer_use_the_term_master_as/">GitHub will no longer use the term ‘master’ as default branch because of negative association - r/programming</a></li><li><a title="Community Central: Welcoming Nomenclature - YouTube" rel="nofollow" href="https://www.youtube.com/watch?v=hZuFeFuazwo&amp;feature=youtu.be">Community Central: Welcoming Nomenclature - YouTube</a></li><li><a title="PinePhone: postmarketOS community edition" rel="nofollow" href="https://postmarketos.org/blog/2020/06/15/pinephone-postmarketos-community-edition/">PinePhone: postmarketOS community edition</a></li><li><a title="PineTab sold out in 72 hours." rel="nofollow" href="https://store.pine64.org/?product=pinetab-10-1-linux-tablet-with-detached-backlit-keyboard">PineTab sold out in 72 hours.</a></li><li><a title="Know when we’re going to be live. Check out the calendar!" rel="nofollow" href="https://www.jupiterbroadcasting.com/release-calendar/">Know when we’re going to be live. Check out the calendar!</a></li><li><a title="Pay it forward: Help us give away 1,000 ACG subscriptions
" rel="nofollow" href="https://info.acloud.guru/resources/pay-it-forward">Pay it forward: Help us give away 1,000 ACG subscriptions
</a></li></ul>]]>
  </content:encoded>
  <itunes:summary>
    <![CDATA[<p>It&#39;s time to challenge some long-held assumptions.</p>

<p>Today&#39;s Btrfs is not yesterday&#39;s hot mess, but a modern battle-tested filesystem, and we&#39;ll prove it.</p>

<p>Plus our thoughts on GitHub dropping the term &quot;master&quot;, and the changes Linux should make NOW to compete with commercial desktops.</p><p>Special Guests: Brent Gervais, Drew DeVore, and Neal Gompa.</p><p><a rel="payment" href="https://jupitersignal.memberful.com/checkout?plan=52946">Support LINUX Unplugged</a></p><p>Links:</p><ul><li><a title="SpaceX: We’ve launched 32,000 Linux computers into space for Starlink internet" rel="nofollow" href="https://www.zdnet.com/article/spacex-weve-launched-32000-linux-computers-into-space-for-starlink-internet/">SpaceX: We’ve launched 32,000 Linux computers into space for Starlink internet</a></li><li><a title="Issue #54: Default disk partitioning layout for Workstation - fedora-workstation - Pagure.io" rel="nofollow" href="https://pagure.io/fedora-workstation/issue/54">Issue #54: Default disk partitioning layout for Workstation - fedora-workstation - Pagure.io</a></li><li><a title="16 Jun, MEETING AGENDA - desktop - Fedora Mailing-Lists" rel="nofollow" href="https://lists.fedoraproject.org/archives/list/desktop@lists.fedoraproject.org/thread/6375WIG53QWL6BXHIPSFNNLA7BZ7PYKW/">16 Jun, MEETING AGENDA - desktop - Fedora Mailing-Lists</a></li><li><a title="[Discussion] What do we think about Github’s decision to start using main instead of master as a branch name?" rel="nofollow" href="https://www.reddit.com/r/linux/comments/h94oiz/discussion_what_do_package_maintainers_think/">[Discussion] What do we think about Github’s decision to start using main instead of master as a branch name?</a></li><li><a title="ZFS co-creator boots ‘slave’ out of OpenZFS codebase, says ‘casual use’ of term is ‘unnecessary reference to a painful experience’" rel="nofollow" href="https://www.theregister.com/2020/06/12/openzfs_terminology_change/">ZFS co-creator boots ‘slave’ out of OpenZFS codebase, says ‘casual use’ of term is ‘unnecessary reference to a painful experience’</a></li><li><a title="OpenZFS: Remove unnecessary references to slavery" rel="nofollow" href="https://github.com/openzfs/zfs/pull/10435">OpenZFS: Remove unnecessary references to slavery</a></li><li><a title="GitHub will no longer use the term ‘master’ as default branch because of negative association - r/programming" rel="nofollow" href="https://old.reddit.com/r/programming/comments/h8w36t/github_will_no_longer_use_the_term_master_as/">GitHub will no longer use the term ‘master’ as default branch because of negative association - r/programming</a></li><li><a title="Community Central: Welcoming Nomenclature - YouTube" rel="nofollow" href="https://www.youtube.com/watch?v=hZuFeFuazwo&amp;feature=youtu.be">Community Central: Welcoming Nomenclature - YouTube</a></li><li><a title="PinePhone: postmarketOS community edition" rel="nofollow" href="https://postmarketos.org/blog/2020/06/15/pinephone-postmarketos-community-edition/">PinePhone: postmarketOS community edition</a></li><li><a title="PineTab sold out in 72 hours." rel="nofollow" href="https://store.pine64.org/?product=pinetab-10-1-linux-tablet-with-detached-backlit-keyboard">PineTab sold out in 72 hours.</a></li><li><a title="Know when we’re going to be live. Check out the calendar!" rel="nofollow" href="https://www.jupiterbroadcasting.com/release-calendar/">Know when we’re going to be live. Check out the calendar!</a></li><li><a title="Pay it forward: Help us give away 1,000 ACG subscriptions
" rel="nofollow" href="https://info.acloud.guru/resources/pay-it-forward">Pay it forward: Help us give away 1,000 ACG subscriptions
</a></li></ul>]]>
  </itunes:summary>
</item>
  </channel>
</rss>
