RESIZE.SSDFS(8)

📦 version 4.68, in nixos 26.05, nixpkgs unstable

💅 resize.ssdfs — the glow-up (or glow-DOWN) page for your SSDFS volume

okay bestie, welcome to resize.ssdfs(8) of the system administration commands 💖 this is the little utility that changes how much space your SSDFS file system is eating — growing it or shrinking it — and it does it without yeeting your data (data integrity preserved, periodt ✨).

✨ NAME ✨

resize.ssdfs — literally the tool that resizes the volume of an SSDFS file system 🦋

🌸 SYNOPSIS 🌸

resize.ssdfs [options] device|image-file

so it's you, some options if you feel spicy, and then either a device or an image-file. no cap, that's the whole vibe 🎀

💅 DESCRIPTION 💅

resize.ssdfs resizes the SSDFS file system volume by growing or shrinking the available space. it can expand or reduce the file system size while keeping data integrity intact — she's careful like that 🫶. and there's a whole menu of resize methods, including segment-based operations and percentage-based operations, so you can resize your way 🦋.

✨ OPTIONS ✨

  • -b, --make-snapshot — makes a volume snapshot before the resize operation, because safety first bestie 🎀
  • -c, --check-by-fsck — runs a check on the volume with fsck after the resize, to verify consistency ✨
  • -d, --debug — shows debug output (for when you want to see everything, iykyk 🔍)
  • -g, --grow-by-segments number — grows the volume by the specified number of segments 📈
  • -G, --grow-by-percentage percentage — grows the volume by a percentage value 📈
  • -f, --force — forces the file system volume resize (skips some safety checks) ⚠️
  • -h, --help — displays the help message and exits, iconic 🫶
  • -L, --label string — sets a volume label during the resize 🏷️
  • -n, --new_size size — specifies the new volume size in bytes 🎯
  • -r, --rollback — rolls back the volume resize operation (undoes the previous resize) ↩️
  • -s, --shrink-by-segments number — shrinks the volume by the specified number of segments 📉
  • -S, --shrink-by-percentage percentage — shrinks the volume by a percentage value 📉
  • -V, --version — prints the version and exits ⭐

🎀 OPERATION MODES 🎀

resize.ssdfs supports several resize methods, bestie — pick your fighter:

Grow Operations 🌱

Expands the file system size using segments (-g), percentage (-G), or absolute size (-n). glow-up szn 💖

Shrink Operations 🍓

Reduces the file system size using segments (-s), percentage (-S), or absolute size (-n). a lil glow-down, but make it controlled ✨

Rollback Operation ↩️

Undoes the previous resize operation (-r). the "nvm, take it back" button 🫶

🛡️ SAFETY FEATURES 🛡️

Snapshot Creation 📸

Use -b to create a snapshot before the resize, for data protection. protect her at all costs 💜

Post-resize Check ✅

Use -c to automatically run fsck after the resize, so you can verify file system consistency. vibe check for your filesystem 🌈

Force Override 💀

Use -f to bypass some safety checks — use with caution, fr fr, this one is not a joke 🙈

🔥 EXIT STATUS 🔥

resize.ssdfs exits with status 0 on success, or with non-zero status on error. that's it, that's the rule 🎯

⭐ EXAMPLES ⭐

Grow the volume by 100 segments, with a snapshot:

# resize.ssdfs -b -g 100 /dev/sdb1

Shrink the volume by 20%, with a post-check:

# resize.ssdfs -c -S 20 /dev/sdb1

Resize to a specific size (1GB):

# resize.ssdfs -n 1073741824 /dev/sdb1

Roll back the previous resize operation:

# resize.ssdfs -r /dev/sdb1

Safe resize with all the protections on:

# resize.ssdfs -b -c -g 50 /dev/sdb1

💜 NOTES 💜

resize.ssdfs requires the file system to be unmounted before resize operations. and always back up important data before resizing — no cap, do it 🙏.

Growing operations are generally safer than shrinking operations. when shrinking, make sure you've got sufficient free space, otherwise you're risking data loss 😭. so check twice, shrink once 🎀.

Segment-based operations align with file system boundaries and are typically more efficient than percentage-based operations. lowkey the superior option, ngl ✨.

🦋 SEE ALSO 🦋

mkfs.ssdfs(8), fsck.ssdfs(8), tune.ssdfs(8), snapshotfs.ssdfs(8) — the whole friend group, go say hi 🫶

👑 AUTHORS 👑

Viacheslav Dubeyko <slava@dubeyko.com> — the icon behind all this 💖

Copyright (c) 2023-2026 Viacheslav Dubeyko

SPDX-License-Identifier: BSD-3-Clause-Clear

and that's the page, bestie 🎀 this was ssdfs-utils, dated 2025-08-30 — go resize something responsibly, ily, bye 💅✨

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