PARTCLONE.DD(8)

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version 0.3.52 · 12 versions
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🌈 partclone.dd(8) · Partclone User Manual 🌈

okay so bestie, welcome to partclone.dd(8) — the Partclone page for the “unsupported file system” dd-style bestie. It’s giving chaotic-neutral backup energy, and we’re gonna read it together 💅

🌸 NAME 🌸

partclone.dd — unsupported file system backup utility.(like dd ) ✨

🎀 SYNOPSIS 🎀

no cap, the shape is exactly this:

partclone.dd {[-s | --source] source}
             {[[-o | --output] [-O | --overwrite]] target}
             [[-dX | --debug=X]] [[--restore_raw_file]]
             [[-z | --buffer_size]] [[-N | --ncurses]] [[-q | --quiet]]
             [[-f | --UI-fresh]] [[-F | --force]]
             [[-I | --ignore_fschk]] [[-i | --ignore_crc]]
             [[-C | --nocheck]] [[-L | --logfile] logfile]
             [[-w | --skip_write_error]] [[-E | --offset=X]]
             [[-T | --btfiles]] [[-t | --btfiles_torrent]]
             [[-B | --no_block_detail]] [[--binary-prefix]]
             [[--prog-second]] [[--json-status] FILE] [[--json-fresh] N]
             [[--write-direct-io]] [[--read-direct-io]]
             [[-S | --device-size]]

🦋 DESCRIPTION 🦋

partclone.dd is a part of the Partclone project, and its whole thing is cloning unsupported file systems with the dd method. It will backup all block from partition. literally all of them, no skipping, no “used blocks only” filter. 💖

Partclone provides utilities to backup used blocks and is designed for higher compatibility of the file system by using existing library, e.g. e2fslibs is used to read the used block of ext2 partition.

Partclone supported file system include btrfs, ext2, ext3, ext4, reiserfs, reiser4, xfs, jfs and zfs for LINUX. Also support some non-linux operation system, ex: NTFS and FAT (for Windows), HFS plus(APPLE MAC OS), UFS2(FreeBSD), VMFS(VMWare Vsphere).

All partclone utils could be run like partclone.xxx is very similar fsck or mkfs. For example, for backup/restore hfsplus, just run partclone.hfsp. yep, that’s the actual spelling on the page, iykyk 🫶

✨ OPTIONS ✨

The program follows the usual GNU command line syntax, with long options starting with two dashes (-). A summary of options is included below. okay bestie, here’s the whole menu:

  • -s FILE, --source FILE — source FILE. The FILE could be a image file (made by partclone) or device depend on your action. Normally, backup source is device, restore source is image file. Receving data from pipe line is supported ONLY for restoring, just ignore -s option or use - means receive data from stdin. 🧚
  • -o FILE, --output FILE — output FILE. The FILE could be a image file (partclone will generate) or device depend on your action. Normally, backup output to image file and restore output to device. Sending data to pipe line is also supported ONLY for back-up, just ignore -o option or use - means send data to stdout. 💌
  • -O FILE, --overwrite FILE — overwrite FILE, overwriting if exists. bold move, but okay 🔥
  • -W FILE, --restore_raw_file FILE — create special raw file for loop device.
  • --restore_raw_file — creating special raw file for loop device. yes, it’s also listed on its own, no I’m not merging them, periodt 💅
  • -L FILE, --logfile FILE — put special path to record partclone log information. (default /var/log/partclone.log) 📝
  • -C, --no_check — don’t check device size and free space.
  • -N, --ncurses — using Ncurses Text User Interface. cute terminal vibes 🌸
  • -I, --ignore_fschk — ignore filesystem check.
  • -i, --ignore_crc — ignore crc check error.
  • -F, --force — force progress.
  • -f sec, --UI-fresh sec — put special second to different interval.
  • -z size, --buffer_size size — read/write buffer size (default: 1048576).
  • -q, --quiet — disable progress message. silence is golden, lowkey 🤫
  • -dlevel, --debug level — set the debug level [1|2|3] 👀
  • -w, --skip_write_error — continue restore while write errors.
  • --write-direct-io — writing data to TARGET partition without cache.
  • --read-direct-io — reading data from SOURCE partition without cache.
  • -S, --device-size — define device size.
  • -B, --no_block_detail — show progress message without block detail.
  • --binary-prefix — show progress with bit size (default is MB, GB...).
  • --prog-second — show progress in seconds (default is minute).
  • --json-status[=FILE] — write progress status to FILE in JSON format, periodically refreshed, so external tools can poll the clone/restore status (default FILE: /var/log/partclone.json) 📊
  • --json-fresh=N — JSON status update interval in seconds (default: 1, minimum: 1).
  • -E, --offset=X — add offset X (bytes) to OUTPUT.
  • -T, --btfiles — restore block as file for ClonezillaBT.
  • -t, --btfiles_torrent — restore block as file for ClonezillaBT but only generate torrent.
  • -h, --help — show summary of options.
  • -v, --version — show version of program.

🍓 FILES 🍓

  • /var/log/partclone.log — the log file of partclone.dd 📓

💜 EXAMPLES 💜

clone /dev/hda1 to hda1.dd.img and display debug information.

      clone /dev/hda1 to hda1.dd.img and display debug information.
        partclone.dd -d -s /dev/hda1 -o hda1.dd.img

      restore /dev/hda1 from hda1.dd.img and display debug information.
        partclone.dd -d -s hda1.dd.img -o /dev/hda1

🌟 DIAGNOSTICS 🌟

The following diagnostics may be issued on stderr:

partclone.dd provides some return codes, that can be used in scripts:

  • 0 — Program exited successfully. ✅
  • 1 — Clone or Restore seem failed. 💀

🙈 BUGS 🙈

Report bugs to thomas@clonezilla.org or http://partclone.org.

You can get support at http://partclone.org.

🌈 SEE ALSO 🌈

partclone(8), partclone.chkimg(8), partclone.restore(8), partclone.dd(8), partclone.info(8)

👑 AUTHOR 👑

Yu-Chin Tsai <thomas@clonezilla.org>

Copyright © 2007 Yu-Chin Tsai.

This manual page was written for the Debian system (and may be used by others).

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or (at your option) any later version published by the Free Software Foundation.

On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

bye bestie 🫶 — this was partclone.dd, dated 10/28/2026, manual page PARTCLONE.DD(8). mwah 💋

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