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SubjectRe: [PATCH v3 03/11] documentation: Block Devices Snapshots Module
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
> +<command name> --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
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