LVREDUCE(8) (NAME) lvreduce - LVM (SYNOPSIS) lvreduce [] _ (DESCRIPTION) lvreduce (LV) . (VG) . -r . . copy-on-write COW . RAID (mirrored) lvconvert(8) . . lvreduce . . (striped segment) (stripes) . --size Size --extents Number . . (USAGE) lvreduce -L|--size [-]Size[m|UNIT] LV [ -l|--extents [-]Number[PERCENT] ] [ -A|--autobackup y|n ] [ -f|--force ] [ -n|--nofsck ] [ -r|--resizefs ] [ --noudevsync ] [ --reportformat basic|json|json_std ] [ --fs String ] [ --fsmode String ] [ COMMON_OPTIONS ] lvm: [ -d|--debug ] [ -h|--help ] [ -q|--quiet ] [ -t|--test ] [ -v|--verbose ] [ -y|--yes ] [ --commandprofile String ] [ --config String ] [ --devices PV ] [ --devicesfile String ] [ --driverloaded y|n ] [ --journal String ] [ --lockopt String ] [ --longhelp ] [ --nohints ] [ --nolocking ] [ --profile String ] [ --version ] (OPTIONS) -A|--autobackup y|n . ! vgcfgbackup(8) . --commandprofile String . lvm.conf(5) . --config String . lvm.conf(5) . String lvm.conf(5) / (section/field) . lvm.conf(5) . -d|--debug ... (). syslog ( ) . --devices PV . . . . --devicesfile String LVM . /etc/lvm/devices/ lvmdevices(8) . devices/devicesfile devices/use_devicesfile lvm.conf(5) . --driverloaded y|n no device-mapper . . -l|--extents [-]Number[PERCENT] . --size --extents . RAID (redundant) . VG (LV) (PV) . %VG VG %FREE VG %PVS . LV %ORIGIN (100%ORIGIN ). LV . LV . - + . -f|--force ... . . --fs String LV. checksize: LV ( ). LV (checksize ). resize: . (mount) (unmount) fsck . --fsmode fsck --nofsck . resize_fsadm: fsadm ( ). : ( ) lvreduce . ignore: LV . : ignore LV . --fsmode String . manage: . nochange: . LV . offline: . LV . -h|--help . --journal String systemd. log/journal lvm.conf . command: . output: . debug: . --lockopt String lvmlockd . lvmlockd(8) . --longhelp . -n|--nofsck fsck --resizefs. --nohints (hints) (PV). hints PV . . --nolocking . . --noudevsync udev. udev udev . udev LVM . --profile String --commandprofile --metadataprofile . -q|--quiet ... (log). --debug --verbose . 'no' . --reportformat basic|json|json_std report/output_format lvm.conf(5) . basic . . json JSON . json_std JSON JSON . lvmreport(7) . -r|--resizefs . fsck . --fsmode fsck --nofsck . --fs (--resizefs --fs resize ). -L|--size [-]Size[m|UNIT] (LV) . --size --extents . RAID (redundant) . - + . -t|--test . . . . -v|--verbose ... (verbose). stdout stderr . --version . -y|--yes . . ( -qq .) (VARIABLES) LV (Logical Volume). lvm(8) . LV VG LV VG/LV. String . Size[UNIT] Size . () 'k' 'K' . |UNIT . UNIT : b|B (Bytes) s|S (Sectors) k|K (KiB) m|M (MiB) g|G (GiB) t|T (TiB) p|P (PiB) e|E (EiB). ( --units .) (ENVIRONMENT VARIABLES) LVM lvm(8) . LVM_VG_NAME VG . (EXAMPLES) : lvreduce -l -3 vg00/lvol1 (SEE ALSO) lvm(8), lvm.conf(5), lvmconfig(8), lvmdevices(8), pvchange(8), pvck(8), pvcreate(8), pvdisplay(8), pvmove(8), pvremove(8), pvresize(8), pvs(8), pvscan(8), vgcfgbackup(8), vgcfgrestore(8), vgchange(8), vgck(8), vgcreate(8), vgconvert(8), vgdisplay(8), vgexport(8), vgextend(8), vgimport(8), vgimportclone(8), vgimportdevices(8), vgmerge(8), vgmknodes(8), vgreduce(8), vgremove(8), vgrename(8), vgs(8), vgscan(8), vgsplit(8), lvcreate(8), lvchange(8), lvconvert(8), lvdisplay(8), lvextend(8), lvreduce(8), lvremove(8), lvrename(8), lvresize(8), lvs(8), lvscan(8), lvm-fullreport(8), lvm-lvpoll(8), blkdeactivate(8), lvmdump(8), dmeventd(8), lvmpolld(8), lvmlockd(8), lvmlockctl(8), cmirrord(8), lvmdbusd(8), fsadm(8), lvmsystemid(7), lvmreport(7), lvmcache(7), lvmraid(7), lvmthin(7), lvmvdo(7), lvmautoactivation(7) lvm2 LVREDUCE(8)