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nixCraft: Consistent Backup with Linux Logical Volume Manager (LVM) Snapshots

[ Thanks to An Anonymous Reader for
this link. ]

“LVM is an implementation of a logical volume manager for the
Linux kernel. The biggest advantage is that LVM provides the
ability to make a snapshot of any logical volume.

“In a production environment many users access the same file
(file is open) or database. Suppose you start backup process when a
file is open, you will not get correct or updated copy of file
i.e., inconsistent backup…”


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