--cache

Scan all devices and send the metadata to lvmetad.

--commandprofile

The command profile to use for command configuration. See lvm.conf(5) for more information about pro‐files.

--config

Config settings for the command. These override lvm.conf settings. The String arg uses the same formatas lvm.conf, or may use section/field syntax. See lvm.conf(5) for more information about config.

-d|--debug

Set debug level. Repeat from 1 to 6 times to increase the detail of messages sent to the log fileand/or syslog (if configured).

--driverloaded

If set to no, the command will not attempt to use device-mapper. For testing and debugging.

-h|--help

Display help text.

--ignorelockingfailure

Allows a command to continue with read-only metadata operations after locking failures.

--longhelp

Display long help text.

--mknodes

Also checks the LVM special files in /dev that are needed for active LVs and creates any missing onesand removes unused ones.

--notifydbus

Send a notification to D-Bus. The command will exit with an error if LVM is not built with support for

-Bus

or if the notify_dbus config setting is disabled.

--profile

An alias for --commandprofile or --metadataprofile, depending on the command.

-q|--quiet

Suppress output and log messages. Overrides --debug and --verbose. Repeat once to also suppress anyprompts with answer 'no'.

--reportformat

Overrides current output format for reports which is defined globally by the report/output_format set‐ting in lvm.conf. basic is the original format with columns and rows. If there is more than onereport per command, each report is prefixed with the report name for identification. json producesreport output in JSON format. See lvmreport(7) for more information.

-t|--test

Run in test mode. Commands will not update metadata. This is implemented by disabling all metadatawriting but nevertheless returning success to the calling function. This may lead to unusual error mes‐sages in multi-stage operations if a tool relies on reading back metadata it believes has changed buthasn't.

-v|--verbose

Set verbose level. Repeat from 1 to 4 times to increase the detail of messages sent to stdout andstderr.

--version

Display version information.

-y|--yes

Do not prompt for confirmation interactively but always assume the answer yes. Use with extreme cau‐tion. (For automatic no, see -qq.)VARIABLESStringSee the option description for information about the string content.Size[UNIT]Size is an input number that accepts an optional unit. Input units are always treated as base two val‐ues, regardless of capitalization, e.g. 'k' and 'K' both refer to 1024. The default input unit isspecified by letter, followed by |UNIT. UNIT represents other possible input units: bBsSkKmMgGtTpPeE.b|B is bytes, s|S is sectors of 512 bytes, k|K is kilobytes, m|M is megabytes, g|G is gigabytes, t|T isterabytes, p|P is petabytes, e|E is exabytes. (This should not be confused with the output control

--units,

ENVIRONMENT VARIABLESSee lvm(8) for information about environment variables used by lvm. For example, LVM_VG_NAME can generally besubstituted for a required VG parameter.