HP Storage Mirroring V5.1 Software User Manual
Page 110
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7.
Select the Use Backup Replication Set check box to use the target’s copy of the replication set
database for the restoration. If this check box is not marked, you will be accessing the
replication set information from the source.
8.
Select the Restore Replication Set check box to restore the target’s copy of the replication set
database to the source during the restoration process.
9.
Select the restoration conditionals that you want to use.
Overwrite existing files during restore
—
This option restores all existing files by
overwriting them. Any files that do not exist on the source are written also. If this option is
disabled, only files that do not exist on the source will be restored.
Only if backup copy is more recent—This option restores only those files that are newer
on the target than on the source. The entire file is overwritten with this option.
Use block checksum comparison/delta block transfer—Specify if you want the
restoration process to use a block checksum comparison to determine which blocks are
different. If this option is enabled, only those blocks (not the entire files) that are different will
be restored to the source.
10.
If you want to configure orphan files, click the Orphans tab. The same orphan options are
available for a restoration connection as a standard connection. See
Configuring and
removing orphan files
on page 11-7 for more details.
11.
If your source was archiving files, select the Archive tab. Select how you want to restore those
files that have been archived.
Archive Restoration Criteria
NOTE:
If you are using a database application, do not use the newer option unless you
know for certain you need it. With database applications, it is critical that all files,
not just some of them that might be newer, get mirrored.
Servers Tab
Archive
Tab
What happens to files that
were links on the source?
What happens to files that
were not links on the
source?
Ove
rwrite
Exis
ting
Backup Copy
Newer
Block Check
sum
Cur
ren
t Mix
Restore
Link R
e
store
All link files on the source will be
overwritten by link files from
the target.
All full files on the source will be
overwritten by full files from the
target.
Only those link files that are
newer on the target will be
overwritten by link files from
the target. If the link file is not
newer on the target, the link file
will not be restored.
Only those full files on the
source that are newer on the
target will be overwritten by full
files from the target.
Only those link files that are
different based on a block
checksum comparison will be
overwritten by link files from
the target. If the link file is not
different on the target, the link
file will not be restored.
Only those full files on the
source that are different based
on a block checksum
comparison will be overwritten
by full files from the target.