Linux Command Library
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lvmdump

create lvm2 information dumps for diagnostic purposes

lvmdump [-a] [-c] [-d directory] [-h] [-m]

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:
- dmsetup info
- table of currently running processes
- recent entries from /var/log/messages (containing system messages)
- complete lvm configuration and cache (content of /etc/lvm)
- list of device nodes present under /dev
- list of files present /sys/block
- list of files present /sys/devices/virtual/block
- if enabled with -m, metadata dump will be also included
- if enabled with -a, debug output of vgscan, pvscan and list of all available volume groups, physical volumes and logical volumes will be included
- if enabled with -c, cluster status info

-a

Advanced collection. WARNING: if lvm is already hung, then this script may hang as well if -a is used.

-c

If clvmd is running, gather cluster data as well.

-d directory

Dump into a directory instead of tarball By default, lvmdump will produce a single compressed tarball containing all the information. Using this option, it can be instructed to only produce the raw dump tree, rooted in directory.

-h

Print help message

-m

Gather LVM metadata from the PVs This option generates a 1:1 dump of the metadata area from all PVs visible to the system, which can cause the dump to increase in size considerably. However, the metadata dump may represent a valuable diagnostic resource.

LVM_BINARY

The LVM2 binary to use. Defaults to "lvm". Sometimes you might need to set this to "/sbin/lvm.static", for example.

DMSETUP_BINARY

The dmsetup binary to use. Defaults to "dmsetup".

lvm(8)

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