CentOS 7.0 - man page for yum-fs-snapshot (centos section 1)
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The yum-fs-snapshot package
yum-fs-snapshot(1) is a Yum plugin for taking snapshots of your filesystems before running
a yum transaction. By default it will take a snapshot of any filesystem that can be snap-
shotted, which currently is limited to BTRFS filesystems. However, all filesystems built
on LVM logical volumes may be snapshotted at the block level using LVM snapshots. LVM
snapshot support is provided for the purpose of system rollback. As such LVM snapshots
will only be created if the kernel supports the "snapshot-merge" DM target.
yum-fs-snapshot uses a configuration file for its specific actions: /etc/yum/plugin-
Josef Bacik <firstname.lastname@example.org>
Mike Snitzer <email@example.com>
3 February 2010 YUM-FS-SNAPSHOT(1)
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