Section 8: administration and privileged commands
lwregd_selinux – Security Enhanced Linux Policy for the lwregd processes Description Security-Enhanced Linux secures the lwregd processes via flexible mandatory access control. The lwregd processes execute with the lwregd_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
lwiod_selinux – Security Enhanced Linux Policy for the lwiod processes Description Security-Enhanced Linux secures the lwiod processes via flexible mandatory access control. The lwiod processes execute with the lwiod_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…
lvscan – List all logical volumes in all volume groups Synopsis lvscan [ option_args ] Description lvscan scans all VGs or all supported LVM block devices in the system for LVs. The output consists of one line for each LV indicating whether or not it is active, a snapshot or origin, the size of the device and…
lvs – Display information about logical volumes Synopsis lvs [ option_args ] [ position_args ] Description lvs produces formatted output about LVs. Usage lvs [ -H|–history ] [ -a|–all ] [ -o|–options String ] [ -S|–select String ] [ -O|–sort String ] [ –segments ] [ –aligned ] [ –binary ] [ –configreport log|vg|lv|pv|pvseg|seg ] [ –foreign ] […
lvresize – Resize a logical volume Synopsis lvresize option_args position_args [ option_args ] [ position_args ] –alloc contiguous|cling|cling_by_tags|normal|anywhere|inherit -A|–autobackup y|n –commandprofile String –config String -d|–debug –driverloaded y|n -l|–extents [+|–]Number[PERCENT] -f|–force -h|–help –lockopt String –longhelp -n|–nofsck –nolocking –nosync –noudevsync –poolmetadatasize [+]Size[m|UNIT] –profile String -q|–quiet –reportformat basic|json -r|–resizefs -L|–size [+|–]Size[m|UNIT] -i|–stripes Number -I|–stripesize Size[k|UNIT] -t|–test –type linear|striped|snapshot|mirror|raid|thin|cache|vdo|thin-pool|cache-pool|vdo-pool -v|–verbose –version -y|–yes Description lvresize resizes an LV in the same way as lvextend and lvreduce. See lvextend(8)…
lvrename – Rename a logical volume Synopsis lvrename position_args [ option_args ] Description lvrename renames an existing LV or a historical LV (see lvremove for historical LV information.) Usage lvrename VG LV LV_new [ COMMON_OPTIONS ] lvrename LV LV_new [ COMMON_OPTIONS ] Common options for command: [ -A|–autobackup y|n ] [ –noudevsync ] [ –reportformat basic|json ]…
lvremove – Remove logical volume(s) from the system Synopsis lvremove position_args [ option_args ] Description lvremove removes one or more LVs. For standard LVs, this returns the logical extents that were used by the LV to the VG for use by other LVs. Confirmation will be requested before deactivating any active LV prior to removal. LVs cannot…
lvreduce – Reduce the size of a logical volume Synopsis lvreduce option_args position_args [ option_args ] Description lvreduce reduces the size of an LV. The freed logical extents are returned to the VG to be used by other LVs. A copy-on-write snapshot LV can also be reduced if less space is needed to hold COW blocks. Use…
lvmsar — LVM system activity reporter Synopsis lvmsar Description lvmsar is not supported under LVM2. The device-mapper statistics facility provides similar performance metrics using the dmstats(8) command. See Also dmstats(8) lvm(8)
lvmsadc — LVM system activity data collector Synopsis lvmsadc Description lvmsadc is not supported under LVM2. The device-mapper statistics facility provides similar performance metrics using the dmstats(8) command. See Also dmstats(8) lvm(8)
lvmpolld — LVM poll daemon Synopsis lvmpolld [-l|–log {all|wire|debug}] [-p|–pidfile pidfile_path] [-s|–socket socket_path] [-B|–binary lvm_binary_path] [-t|–timeout timeout_value] [-f|–foreground] [-h|–help] [-V|–version] lvmpolld [–dump] Description lvmpolld is polling daemon for LVM. The daemon receives requests for polling of already initialised operations originating in LVM2 command line tool. The requests for polling originate in the lvconvert, pvmove, lvchange…
lvmlockd — LVM locking daemon Description LVM commands use lvmlockd to coordinate access to shared storage. When LVM is used on devices shared by multiple hosts, locks will: • coordinate reading and writing of LVM metadata • validate caching of LVM metadata • prevent concurrent activation of logical volumes lvmlockd uses an external lock manager…
lvmlockctl — Control for lvmlockd Description This command interacts with lvmlockd(8). Options lvmlockctl [options] –help | -h Show this help information. –quit | -q Tell lvmlockd to quit. –info | -i Print lock state information from lvmlockd. –dump | -d Print log buffer from lvmlockd. –wait | -w 0|1 Wait option for other commands. –force…
lvmetad — LVM metadata cache daemon Synopsis lvmetad [-l level[,level…]] [-p pidfile_path] [-s socket_path] [-t timeout_value] [-f] [-h] [-V] [-?] Description The lvmetad daemon caches LVM metadata so that LVM commands can read metadata from the cache rather than scanning disks. This can be an advantage because scanning disks is time consuming and may interfere…
lvmdump — create lvm2 information dumps for diagnostic purposes Synopsis lvmdump [-a] [-c] [-d directory] [-h] [-l] [-m] [-p] [-s] [-u] Description lvmdump is a tool to dump various information concerning LVM2. By default, it creates a tarball suitable for submission along with a problem report. The content of the tarball is as follows: –…
lvmdiskscan – List devices that may be used as physical volumes Synopsis lvmdiskscan [ option_args ] Description lvmdiskscan scans all SCSI, (E)IDE disks, multiple devices and a bunch of other block devices in the system looking for LVM PVs. The size reported is the real device size. Define a filter in lvm.conf(5) to restrict the scan to…
lvmconfig – Display and manipulate configuration information Synopsis lvmconfig [ option_args ] [ position_args ] Description lvmconfig, lvm config, lvm dumpconfig (for compatibility reasons, to be phased out) produce formatted output from the LVM configuration tree. The sources of the configuration data include lvm.conf(5) and command line settings from –config. Usage lvmconfig [ -f|–file String ] [ -l|–list ]…
lvmconf — LVM configuration modifier Synopsis lvmconf [–disable-cluster] [–enable-cluster] [–enable-halvm] [–disable-halvm] [–file <configfile>] [–lockinglib <lib>] [–lockinglibdir <dir>] [–services] [–mirrorservice] [–startstopservices] Description lvmconf is a script that modifies the locking configuration in an lvm configuration file. See lvm.conf(5). In addition to that, it can also set Systemd or SysV services according to changes in the lvm…
lvmchange — change attributes of the logical volume manager Synopsis lvmchange Description lvmchange is not currently supported under LVM2, although dmsetup(8) has a remove_all command. See Also dmsetup(8)
lvm_selinux – Security Enhanced Linux Policy for the lvm processes Description Security-Enhanced Linux secures the lvm processes via flexible mandatory access control. The lvm processes execute with the lvm_t SELinux type. You can check if you have these processes running by executing the ps command with the -Z qualifier. For example: ps -eZ | grep…