HP Storage Mirroring V5.1 Software User Manual
Page 78
11 - 2
File Differences Mirror Options Compared
Server
Properties
Source
Tab
a
a. A checkmark enclosed in parentheses (
) indicates that the global option on the Server Properties
Source tab can be on or off. The use of this option does not change the action performed during
the mirror.
Connection Manager Mirroring Tab
or
Start Mirror Dialog
Action Performed
Block
Checksum
All
File
Differences
Only if
Source is
Newer
Block
Checksum
(
)
Any file that is different on the source
and target based on the date, time,
and/or size is transmitted to the
target. The mirror sends the entire
file.
(
)
Any file that is newer on the source
than on the target based on date
and/or time is transmitted to the
target. The mirror sends the entire
file.
Any file that is different on the source
and target based on date, time,
and/or size is flagged as different.
The mirror then performs a
checksum comparison on the flagged
files and only sends those blocks that
are different.
The mirror performs a checksum
comparison on all files and only
sends those blocks that are different.
(
)
Any file that is newer on the source
than on the target based on date
and/or time is flagged as different.
The mirror then performs a
checksum comparison on the flagged
files and only sends those blocks that
are different.