The shadow copy cache file
The default shadow copy settings allocate 10 percent of the source volume being copied (with a minimum
of 350 MB), and store the shadow copies on the same volume as the original volume. (See
).
The cache file is located in a hidden protected directory entitled “System Volume Information” off of the
root of each volume for which Shadow Copy is enabled.
F:
cache file
G:
cache file
H:
cache file
Figure 27 Shadow copies stored on source volume
The cache file location can be altered to reside on a dedicated volume separate from the volumes
containing files shares. (See
F:
L:
cache file
cache file
cache file
G:
H:
Figure 28 Shadow copies stored on separate volume
The main advantage to storing shadow copies on a separate volume is ease of management and
performance. Shadow copies on a source volume must be continually monitored and can consume space
designated for file sharing. Setting the limit too high takes up valuable storage space. Setting the limit
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