Is this how LVM snapshots work? Post: 302511372

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LEARN ABOUT CENTOS

yum-fs-snapshot.conf

YUM-FS-SNAPSHOT.CONF(5) 					   File Formats 					   YUM-FS-SNAPSHOT.CONF(5)

NAME

       yum-fs-snapshot.conf(5)

SYNOPSIS

       yum-fs-snapshot.conf(5)	is the configuration file for yum-fs-snapshot(1) Yum plugin for snapshotting your filesystems before running a yum
       transaction.  By default, this plugin will snapshot all filesystems that it is capable of snapshotting.	This  includes	block-level  snap-
       shots using LVM snapshots.

FILES

       /etc/yum/pluginconf.d/fs-snapshot.conf

FILE FORMAT

       yum-fs-snapshot.conf(5) utilizes configuration options in the form of

       OPTION=VALUE

OPTION

       exclude
	      This is a space delimited list of the mount points you do not wish to have snapshotted by this plugin.

OPTION

       create_snapshots_in_post
	      This is a boolean value used to control whether snapshots are also created after running the yum transaction.

OPTION - [lvm] section
       enabled
	      This is a boolean value used to control whether LVM snapshots will be created for filesystems built on LVM logical volumes.

OPTION - [lvm] section
       lvcreate_size_args
	      This is the space delimited lvcreate argument list that is used to specify the size of the snapshot LV.  Valid lvcreate size options
	      are -l or -L.  If not specified then LVM snapshots will not be created for volumes that are not thinly provisioned.

AUTHOR

	      Josef Bacik <josef@toxicpanda.com>
	      Mike Snitzer <msnitzer@fedoraproject.org>

SEE ALSO

       yum-fs-snapshot(1)

								  3 February 2010					   YUM-FS-SNAPSHOT.CONF(5)