On Tue, Apr 04, 2023 at 04:08:27PM +0200, Sergei Shtepa wrote: > +The main properties that a backup tool should have are: > + > +- Simplicity and versatility of use > +- Reliability > +- Minimal consumption of system resources during backup > +- Minimal time required for recovery or replication of the entire system > + > +Therefore, the features of the blksnap module are: "Taking above properties into account, blksnap module features:" > +The change tracker allows to determine which blocks were changed during the > +time between the last snapshot created and any of the previous snapshots. > +Having a map of changes, it is enough to copy only the changed blocks, and "With a map of changes, ..." > +3. ``blkfilter_ctl_blksnap_cbtdirty`` mark blocks as changed in the change marks > +The blksnap [#userspace_tools]_ console tool allows to control the module > +from the command line. The tool contains detailed built-in help. To get > +the list of commands, enter the ``blksnap --help`` command. The ``blksnap > + --help`` command allows to get detailed information about the "To get list of commands with usage description, see ``blksnap --help``." Thanks. -- An old man doll... just what I always wanted! - Clara