https://tsvinc.dev/tags/ext4/ Recent content in Ext4 on tsvinc Hugo en-us Wed, 08 Jul 2026 00:00:00 +0000 https://tsvinc.dev/posts/partition-around-the-wound/ Wed, 08 Jul 2026 00:00:00 +0000 https://tsvinc.dev/posts/partition-around-the-wound/ <div class="tldr"> <span class="tldr-label">TL;DR</span> <code>badblocks</code> tells you <em>how many</em> bad blocks; its <code>-o</code> logfile tells you <em>where</em>, and that changes the verdict. All 58 failures on this 8 TB drive sat in the first 5.23% of the platter. Partition past the wound, leave the damaged region unallocated, and the healthy 94.8% — about 6.7 TiB — goes back to work as disposable scratch space. Not for anything you'd miss. </div> <p>Every <code>badblocks</code> run leaves two artifacts, and the useful one is the file almost nobody opens. There's the summary line everyone reads:</p>