|
| 1 | +<!doctype html> |
| 2 | +<html lang="en"> |
| 3 | + <head> |
| 4 | + <meta charset="utf-8" /> |
| 5 | + <meta property="og:title" content="braindump.ing | Using Block Devices to Cache Object Storage (Userspace, FUSE, Device Mapper)" /> |
| 6 | + <meta property="og:site_name" content="braindump.ing" /> |
| 7 | + |
| 8 | + <meta name="description" content="We'll look at using block devices to cache object storage, going from writing a high-level userspace program to do so to using FUSE to finally using device mapper...." /> |
| 9 | + <meta name="og:description" content="We'll look at using block devices to cache object storage, going from writing a high-level userspace program to do so to using FUSE to finally using device mapper...." /> |
| 10 | + |
| 11 | + <meta property="og:url" content="https://braindump.ing/2026-07-29-device-mapping.html" /> |
| 12 | + <link rel="canonical" href="https://braindump.ing/2026-07-29-device-mapping.html" /> |
| 13 | + |
| 14 | + <meta property="og:image" content="https://cdn.braindump.ing/writing/og/todo-2026-07-29-device-mapping.6c7411e3.png" /> |
| 15 | + <meta property="og:image:width" content="1200" /> |
| 16 | + <meta property="og:image:height" content="630" /> |
| 17 | + |
| 18 | + <meta name="robots" content="index,follow" /> |
| 19 | + <meta name="googlebot" content="index,follow" /> |
| 20 | + <meta name="twitter:card" content="summary_large_image" /> |
| 21 | + <!-- <meta name="twitter:site" content="" /> --> |
| 22 | + <!-- <meta name="twitter:creator" content="" /> --> |
| 23 | + <meta property="og:type" content="article" /> |
| 24 | + <meta property="og:locale" content="en_US" /> |
| 25 | + |
| 26 | + <meta name="theme-color" content="#690" /> |
| 27 | + |
| 28 | + <link rel="icon" type="image/png" href="/images/dumpster.png" /> |
| 29 | + |
| 30 | + <meta property="article:author:first_name" content="JC" /> |
| 31 | + <meta property="article:author:username" content="JC" /> |
| 32 | + <meta property="article:author:gender" content="female" /> |
| 33 | + |
| 34 | + <script |
| 35 | + data-goatcounter="https://gc.braindump.ing/count" |
| 36 | + async |
| 37 | + src="//gc.braindump.ing/count.js" |
| 38 | + ></script> |
| 39 | + <script type="application/ld+json"> |
| 40 | + { |
| 41 | + "@context": "https://schema.org", |
| 42 | + "@type": "Article", |
| 43 | + "headline": "Using Block Devices to Cache Object Storage (Userspace, FUSE, Device Mapper)", |
| 44 | + "abstract": "We'll look at using block devices to cache object storage, going from writing a high-level userspace program to do so to using FUSE to finally using device mapper....", |
| 45 | + "image": [ |
| 46 | + { |
| 47 | + "contentUrl": "https://cdn.braindump.ing/writing/og/todo-2026-07-29-device-mapping.6c7411e3.png", |
| 48 | + "width": "1200", |
| 49 | + "height": "630" |
| 50 | + } |
| 51 | + ], |
| 52 | + "author": [ |
| 53 | + { |
| 54 | + "@type": "Person", |
| 55 | + "name": "JC", |
| 56 | + "url": "https://braindump.ing" |
| 57 | + } |
| 58 | + ] |
| 59 | + } |
| 60 | + </script> |
| 61 | + |
| 62 | + <title>braindump.ing | Using Block Devices to Cache Object Storage (Userspace, FUSE, Device Mapper)</title> |
| 63 | + <link href="/styles/globals.css" rel="stylesheet" /> |
| 64 | + <link href="/styles/main.css" rel="stylesheet" /> |
| 65 | + <link href="/styles/prism.css" rel="stylesheet" /> |
| 66 | + <link href="/styles/mjx.css" rel="stylesheet" /> |
| 67 | + <script src="/scripts/email.js"></script> |
| 68 | + </head> |
| 69 | + <body> |
| 70 | + <header> |
| 71 | + <aside></aside> |
| 72 | + <div> |
| 73 | + <div id="logo"> |
| 74 | + <h1><a href="/">braindump.ing</a></h1> |
| 75 | + </div> |
| 76 | + <div id="recent"> |
| 77 | + <div> |
| 78 | + <p><a href="/writing.html">Writing</a></p> |
| 79 | + <p><a href="/aesthetics.html">Aesthetics</a></p> |
| 80 | + <p> |
| 81 | + <i |
| 82 | + >How fast the night changes: when will I be ready to just enjoy |
| 83 | + sunburning with you?</i |
| 84 | + > |
| 85 | + <!-- <i>Wonder is the foundation of all philosophy, inquiry its progress, ignorance its end.</i> --> |
| 86 | + </p> |
| 87 | + </div> |
| 88 | + </div> |
| 89 | + </div> |
| 90 | + </header> |
| 91 | + <div id="post"> |
| 92 | + <aside></aside> |
| 93 | + <article id="index"><div> |
| 94 | + <div id="date"> |
| 95 | + <p>2026-07-29</p> |
| 96 | + <h1>Using Block Devices to Cache Object Storage (Userspace, FUSE, Device Mapper)</h1> |
| 97 | + </div> |
| 98 | + <p>We'll look at using block devices to cache object storage, going from writing a high-level userspace program to do so to using FUSE to finally using device mapper. </p> |
| 99 | +</div> |
| 100 | +</article> |
| 101 | + <aside> |
| 102 | + <div id="toc"></div> |
| 103 | + </aside> |
| 104 | + </div> |
| 105 | + <div id="footer"> |
| 106 | + <aside></aside> |
| 107 | + <footer> |
| 108 | + <div class="subscribe"> |
| 109 | + <p> |
| 110 | + Sometimes I write posts! This happens at infrequent intervals so if |
| 111 | + you like what I write you can subscribe to get notified when I do. |
| 112 | + </p> |
| 113 | + <p>No spam.</p> |
| 114 | + <form> |
| 115 | + <input |
| 116 | + required="true" |
| 117 | + autocomplete="off" |
| 118 | + name="email" |
| 119 | + type="email" |
| 120 | + placeholder="sven.wonders@braindump.ing" |
| 121 | + /> |
| 122 | + <button type="submit">Subscribe</button> |
| 123 | + </form> |
| 124 | + </div> |
| 125 | + <div> |
| 126 | + <p> |
| 127 | + Everything here is written by me, occasionally reviewed by an LLM, |
| 128 | + and then rewritten by me if needed! You can find the Haskell source |
| 129 | + <a href="https://github.com/ymfpfp/braindump.ing">here</a>. |
| 130 | + </p> |
| 131 | + <p> |
| 132 | + Questions? Something wrong? Want someone to talk to? Feel free to |
| 133 | + email at <i>jc[at]website</i>. |
| 134 | + </p> |
| 135 | + </div> |
| 136 | + </footer> |
| 137 | + <aside></aside> |
| 138 | + </div> |
| 139 | + </body> |
| 140 | +</html> |
0 commit comments