{ "mode": "man", "parameter": "fsadm", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/fsadm/8/json", "generated": "2026-09-09T19:00:54Z", "synopsis": "fsadm [options] check device\nfsadm [options] resize device [newsize]", "sections": { "NAME": { "content": "fsadm — utility to resize or check filesystem on a device\n", "subsections": [] }, "SYNOPSIS": { "content": "fsadm [options] check device\nfsadm [options] resize device [newsize]\n", "subsections": [] }, "DESCRIPTION": { "content": "fsadm utility checks or resizes the filesystem on a device (can be also dm-crypt encrypted\ndevice). It tries to use the same API for ext2, ext3, ext4, ReiserFS and XFS filesystem.\n", "subsections": [] }, "OPTIONS": { "content": "", "subsections": [ { "name": "-e --ext-offline", "content": "Unmount ext2/ext3/ext4 filesystem before doing resize.\n", "flag": "-e", "long": "--ext-offline" }, { "name": "-f --force", "content": "Bypass some sanity checks.\n", "flag": "-f", "long": "--force" }, { "name": "-h --help", "content": "Display the help text.\n", "flag": "-h", "long": "--help" }, { "name": "-l --lvresize", "content": "Resize also given lvm2 logical volume. More volume management functionality is pro‐\nvided with complementary lvresize(8) and the option -r|--resizefs.\n", "flag": "-l", "long": "--lvresize" }, { "name": "-n --dry-run", "content": "Print commands without running them.\n", "flag": "-n", "long": "--dry-run" }, { "name": "-v --verbose", "content": "Be more verbose.\n", "flag": "-v", "long": "--verbose" }, { "name": "-y --yes", "content": "Answer \"yes\" at any prompts.\n", "flag": "-y", "long": "--yes" }, { "name": "-c --cryptresize", "content": "Resize dm-crypt mapping together with filesystem detected on the device. The dm-crypt\ndevice must be recognizable by cryptsetup(8).\n\nnewsize[B|K|M|G|T|P|E]\nAbsolute number of filesystem blocks to be in the filesystem, or an absolute size us‐\ning a suffix (in powers of 1024). If newsize is not supplied, the whole device is\nused.\n", "flag": "-c", "long": "--cryptresize" } ] }, "DIAGNOSTICS": { "content": "On successful completion, the status code is 0. A status code of 2 indicates the operation\nwas interrupted by the user. A status code of 3 indicates the requested check operation\ncould not be performed because the filesystem is mounted and does not support an online\nfsck(8). A status code of 1 is used for other failures.\n", "subsections": [] }, "EXAMPLES": { "content": "Resize the filesystem on logical volume /dev/vg/test to 1000 megabytes. If /dev/vg/test con‐\ntains ext2/ext3/ext4 filesystem it will be unmounted prior the resize. All [y/n] questions\nwill be answered 'y'.\n\n# fsadm -e -y resize /dev/vg/test 1000M\n", "subsections": [] }, "ENVIRONMENT VARIABLES": { "content": "TMPDIR The temporary directory name for mount points. Defaults to \"/tmp\".\n\nDMDEVDIR\nThe device directory name. Defaults to \"/dev\" and must be an absolute path.\n", "subsections": [] }, "SEE ALSO": { "content": "lvm(8), lvresize(8), lvm.conf(5),\n\nfsck(8), tune2fs(8), resize2fs(8),\n\nreiserfstune(8), resizereiserfs(8),\n\nxfsinfo(8), xfsgrowfs(8), xfscheck(8),\n\ncryptsetup(8)\n\nRed Hat, Inc LVM TOOLS 2.03.16(2) (2022-05-18) FSADM(8)", "subsections": [] } }, "summary": "fsadm — utility to resize or check filesystem on a device", "flags": [ { "flag": "-e", "long": "--ext-offline", "arg": null, "description": "Unmount ext2/ext3/ext4 filesystem before doing resize." }, { "flag": "-f", "long": "--force", "arg": null, "description": "Bypass some sanity checks." }, { "flag": "-h", "long": "--help", "arg": null, "description": "Display the help text." }, { "flag": "-l", "long": "--lvresize", "arg": null, "description": "Resize also given lvm2 logical volume. More volume management functionality is pro‐ vided with complementary lvresize(8) and the option -r|--resizefs." }, { "flag": "-n", "long": "--dry-run", "arg": null, "description": "Print commands without running them." }, { "flag": "-v", "long": "--verbose", "arg": null, "description": "Be more verbose." }, { "flag": "-y", "long": "--yes", "arg": null, "description": "Answer \"yes\" at any prompts." }, { "flag": "-c", "long": "--cryptresize", "arg": null, "description": "Resize dm-crypt mapping together with filesystem detected on the device. The dm-crypt device must be recognizable by cryptsetup(8). newsize[B|K|M|G|T|P|E] Absolute number of filesystem blocks to be in the filesystem, or an absolute size us‐ ing a suffix (in powers of 1024). If newsize is not supplied, the whole device is used." } ], "examples": [ "Resize the filesystem on logical volume /dev/vg/test to 1000 megabytes. If /dev/vg/test con‐", "tains ext2/ext3/ext4 filesystem it will be unmounted prior the resize. All [y/n] questions", "will be answered 'y'.", "# fsadm -e -y resize /dev/vg/test 1000M" ], "see_also": [ { "name": "lvm", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/lvm/8/json" }, { "name": "lvresize", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/lvresize/8/json" }, { "name": "lvm.conf", "section": "5", "url": "https://www.chedong.com/phpMan.php/man/lvm.conf/5/json" }, { "name": "fsck", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/fsck/8/json" }, { "name": "tune2fs", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/tune2fs/8/json" }, { "name": "resize2fs", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/resize2fs/8/json" }, { "name": "reiserfstune", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/reiserfstune/8/json" }, { "name": "resizereiserfs", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/resizereiserfs/8/json" }, { "name": "xfsinfo", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/xfsinfo/8/json" }, { "name": "xfsgrowfs", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/xfsgrowfs/8/json" }, { "name": "xfscheck", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/xfscheck/8/json" }, { "name": "cryptsetup", "section": "8", "url": "https://www.chedong.com/phpMan.php/man/cryptsetup/8/json" } ] }