Linux Manuals

The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.

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    lvmpolld (8) Linux Manual Page

    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…

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    lvmlockd (8) Linux Manual Page

    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…

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    lvmlockctl (8) Linux Manual Page

    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…

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    lvmetad (8) Linux Manual Page

    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…

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    lvmdump (8) Linux Manual Page

    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: –…

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    lvmdiskscan (8) Linux Manual Page

    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…

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    lvmconfig (8) Linux Manual Page

    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 ]…

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    lvmconf (8) Linux Manual Page

    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…

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    lvm_selinux (8) Linux Manual Page

    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…

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    lvm2-activation-generator (8) Linux Manual Page

    lvm2-activation-generator – generator for systemd units to activate LVM volumes on boot Synopsis /lib/systemd/system-generators/lvm2-activation-generator Description The lvm2-activation-generator is called by systemd(1) on boot to generate systemd units at runtime to activate LVM Logical Volumes (LVs) when global/event_activation=0 is set in lvm.conf(5). These units use vgchange -ay to activate LVs. If event_activation=1, the lvm2-activation-generator exits immediately…

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    lvm (8) Linux Manual Page

    lvm — LVM2 tools Synopsis lvm [command|file] Description The Logical Volume Manager (LVM) provides tools to create virtual block devices from physical devices. Virtual devices may be easier to manage than physical devices, and can have capabilities beyond what the physical devices provide themselves. A Volume Group (VG) is a collection of one or more…

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    lvm-lvpoll (8) Linux Manual Page

    lvm lvpoll – Continue already initiated poll operation on a logical volume Synopsis lvm lvpoll option_args position_args     [ option_args ] Description lvm lvpoll is an internal command used by lvmpolld(8) to monitor and complete lvconvert(8) and pvmove(8) operations. lvpoll itself does not initiate these operations and should not normally need to be run directly. Usage lvm lvpoll…

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    lvm-fullreport (8) Linux Manual Page

    lvm fullreport – Display full report Synopsis lvm fullreport     [ option_args ]     [ position_args ] Description lvm fullreport produces formatted output about PVs, PV segments, VGs, LVs and LV segments. The information is all gathered together for each VG (under a per-VG lock) so it is consistent. Information gathered from separate calls to vgs, pvs, and lvs can be…

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    lvm-dumpconfig (8) Linux Manual Page

    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 ]…

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    lvm-config (8) Linux Manual Page

    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 ]…

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    lvextend (8) Linux Manual Page

    lvextend – Add space to a logical volume Synopsis lvextend 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  -m|–mirrors Number  -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     –usepolicies  -v|–verbose     –version  -y|–yes Description lvextend extends the size of an LV. This requires allocating…

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    lvdisplay (8) Linux Manual Page

    lvdisplay – Display information about a logical volume Synopsis lvdisplay     [ option_args ]     [ position_args ] Description lvdisplay shows the attributes of LVs, like size, read/write status, snapshot information, etc. lvs(8) is a preferred alternative that shows the same information and more, using a more compact and configurable output format. Usage lvdisplay [ -a|–all ] [ -c|–colon ] […

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    lvcreate (8) Linux Manual Page

    lvcreate – Create a logical volume Synopsis lvcreate option_args position_args     [ option_args ]     [ position_args ]  -a|–activate y|n|ay     –addtag Tag     –alloc contiguous|cling|cling_by_tags|normal|anywhere|inherit  -A|–autobackup y|n  -H|–cache     –cachemetadataformat auto|1|2     –cachemode writethrough|writeback|passthrough     –cachepolicy String     –cachepool LV     –cachesettings String  -c|–chunksize Size[k|UNIT]     –commandprofile String     –compression y|n     –config String  -C|–contiguous y|n  -d|–debug     –deduplication y|n     –discards passdown|nopassdown|ignore     –driverloaded y|n     –errorwhenfull y|n  -l|–extents Number[PERCENT]  -h|–help  -K|–ignoreactivationskip     –ignoremonitoring     –lockopt String     –longhelp  -j|–major Number     –[raid]maxrecoveryrate Size[k|UNIT]     –metadataprofile String     –minor Number     –[raid]minrecoveryrate Size[k|UNIT]     –mirrorlog core|disk  -m|–mirrors Number     –monitor y|n  -n|–name String     –nolocking     –nosync     –noudevsync  -p|–permission rw|r  -M|–persistent y|n     –poolmetadatasize Size[m|UNIT]     –poolmetadataspare y|n     –profile String…

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    lvconvert (8) Linux Manual Page

    lvconvert – Change logical volume layout Synopsis lvconvert option_args position_args     [ option_args ]     [ position_args ]     –alloc contiguous|cling|cling_by_tags|normal|anywhere|inherit  -b|–background  -H|–cache     –cachemetadataformat auto|1|2     –cachemode writethrough|writeback|passthrough     –cachepolicy String     –cachepool LV     –cachesettings String     –cachevol LV  -c|–chunksize Size[k|UNIT]     –commandprofile String     –compression y|n     –config String  -d|–debug     –deduplication y|n     –discards passdown|nopassdown|ignore     –driverloaded y|n  -f|–force  -h|–help  -i|–interval Number     –lockopt String     –longhelp     –merge     –mergemirrors     –mergesnapshot     –mergethin     –metadataprofile String     –mirrorlog core|disk  -m|–mirrors [+|–]Number  -n|–name String     –nolocking     –noudevsync     –originname LV     –poolmetadata LV     –poolmetadatasize Size[m|UNIT]     –poolmetadataspare y|n     –profile String  -q|–quiet  -r|–readahead auto|none|Number  -R|–regionsize Size[m|UNIT]     –repair     –replace PV  -s|–snapshot…