HP Storage Mirroring V5 Software - Manual (Page 109)

9 - 2
Remirror Options When Verifying
Block Checksum
All Server
Properties Source
Tab
a
a.A checkmark enclosed in parentheses ( 3 ) 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 verification.
Remirror
Automatical
ly Verify
Option
Only if
Source is
Newer
Verify
Option
Block
Checksum
Verify
Option
Action Performed
( 3 ) 3
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.
( 3 ) 3 3
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.
3 3
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.
3 3 3
The mirror performs a checksum comparison on
all files and only sends those blocks that are
different.
( 3 ) 3 3 3
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.
NOTE: Database applications may update files without changing the date, time, or file size. Therefore, if you are using
database applications, you should use the Block Checksum All option on the Server Properties Source tab to
ensure proper file comparisons.