Hp Storage Mirroring Software User Manual Page 325

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Workload protection Page 324 of 677
Mirroring Recover and your public traffic. If you have three routes, separate
the public traffic and then separate Storage Mirroring Recover from the
cluster heartbeat.
l Orphan files—An orphan is a file that exists in the target location but is not in
the source location. You can enable the resource to remove or delete
orphans during a mirror. If you choose to move orphan files, specify the
location where you want to move them. You should not select the system
volume for the orphan files because it could impact the stability of the cluster
service.
8. Click Next to continue.
9. If you want to configure compression, verify that Enable Compression is selected.
Depending on the compression algorithms available for your operating system,
you may see a slider bar indicating different compression levels. Set the level from
minimum to maximum compression to suit your needs.
10. Click Next to continue.
11. Specify your Storage Mirroring Recover mirroring settings.
l Full Mirror—All files in the replication set will be sent from the source to the
target.
l File differences—Only those files that are different based size or date and
time will be sent from the source to the target.
l Send data only if Source is newer than Target—Only those files that
are newer on the source are sent to the target.
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.
l Use block checksum—For those files flagged as different, the mirror
performs a checksum comparison and only sends those blocks that are
different.
l Calculate Replication Set size prior to mirror—Determines the size of the
replication set prior to starting the mirror. The mirroring status will update the
percentage complete if the replication set size is calculated.
12. Click Finish to complete the creation of the GeoCluster Replicated Disk resource.
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