Advanced Backup Options


Advanced Options

None of these options are important for the normal use of Drive Snapshot; usually you should use the default settings.

VSS Options

forces or disables use of VSS (Volume Shadowcopy Service); see also 

 

Maximum size of a single image file

Disk image files can become rather large, if saving big partitions.
However they should not be larger then certain limits, else they will not be usable by DOS (limit = 2047 MB) or will not fit on a CD-R/W (Limit 650-750MB)or an ISO-DVD (Limit 2048 MB).

So Snapshot will cut the disk image file after a preset size (default=650MB), and create several files with extensions 
SNA, .SN1,.Sn2,..,.SN9,.S10...S99,.100...999,.1000 etc

By default the limit is 1500 MB, so 3 image pieces fit on a DVD.

Maintenance Mode 

This saves each and every cluster on the disk, ignoring the free space information.

This has its use if you are trying some  'Data Recovery' Tool to recover some data from a damaged disk, but want to be able to restore the original state in case the 'recovery' fails.

Hash File Options

Usually, with each full backup, also a .HSH hashfile is created, which is used for differential images.

If you don't plan to use differential backup, clear this option.

with [Create Hash file from full image] you can recreate a .hsh file from the full image.

Use settings as default

Saves these settings to be used as new default settings.


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