Dell EqualLogic PS6210XS EqualLogic Group Manager Administrator s Guide PS Ser - Page 256

About Replicas, a Volume Collection for Replication

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Configure a Volume Collection for Replication You can simultaneously replicate data in related volumes by replicating the volume collection. The resulting set of replicas is called a replica collection. NOTE: To replicate a volume collection, you must configure all the volumes in the collection to replicate to the same partner. 1. Click Volumes. 2. Expand Volume Collections and then select the collection that you want to replicate. 3. Click Configure replication to open the Configure Replication Settings dialog box. 4. Select the replication partner for the volume collection and make sure each volume is configured to replicate to the selected partner: • Click the not replicated link if a volume is not configured for replication, and configure the volume. • Click the partner name link if a volume is configured to replicate to a different partner. Modify the volume replication configuration and change the partner. 5. Click OK. Display Replication Activity and Replicas for a Volume Collection To display replication activity and replicas for a volume collection: 1. Click Volumes. 2. Expand Volume Collections and then select the collection name. 3. Click the Replication tab. The Replication Summary panel shows: • Replication partner for the collection • Replication schedules for the volume collection, including the next scheduled replication operation, if any The Remote Replicas panel shows the replica collections for the volume collection. Expand a replica collection to see the individual replicas and their status. Modify Volume Collection Replication Configuration Settings You can modify the replication configuration of a volume collection or of the volumes in the collection. 1. Click Volumes. 2. Expand Volume Collections and then select the collection that you want to modify. 3. Click Modify replication settings to open the Volume Collection - Modify Replication Settings dialog box. 4. To modify the settings, double-click the volume in the collection list to open up the replication settings for that volume. Make adjustments for each volume as necessary. 5. Click OK to save your changes. About Replicas Similar to a snapshot, a replica represents the contents of a volume at the time the replica was created. Each replicated volume has a replica set, which is the set of replicas created over time. You can create replicas of individual volumes or volume collections. You can create replicas manually at any time, or you can set up a schedule. Individual replicas are identified by the date and time that the replication operation started. The replica set name is based on the volume name and includes a dot-number extension to ensure that all replica set names are unique, in case two different partners replicate volumes with the same name to the same group. The number in the extension reflects the order that each partner was configured as a replication partner to the group. For example, all replica sets from the first configured partner have a dot-1 extension (such as dbase.1). Replica sets from the next configured partner have a dot-2 extension (such as dbase.2). 256 About Backing Up and Protecting Your Data

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Configure
a Volume Collection for Replication
You can simultaneously replicate data in related volumes by replicating the volume collection. The resulting set of replicas is called a
replica collection.
NOTE: To replicate a volume collection, you must
configure
all the volumes in the collection to replicate to the same
partner.
1.
Click
Volumes
.
2.
Expand
Volume Collections
and then select the collection that you want to replicate.
3.
Click
Configure
replication
to open the
Configure
Replication Settings dialog box.
4.
Select the replication partner for the volume collection and make sure each volume is
configured
to replicate to the selected
partner:
•
Click the
not replicated
link if a volume is not
configured
for replication, and
configure
the volume.
•
Click the partner name link if a volume is
configured
to replicate to a
different
partner. Modify the volume replication
configuration
and change the partner.
5.
Click
OK
.
Display Replication Activity and Replicas for a Volume Collection
To display replication activity and replicas for a volume collection:
1.
Click
Volumes
.
2.
Expand
Volume Collections
and then select the collection name.
3.
Click the
Replication
tab.
The
Replication Summary
panel shows:
•
Replication partner for the collection
•
Replication schedules for the volume collection, including the next scheduled replication operation, if any
The
Remote Replicas
panel shows the replica collections for the volume collection. Expand a replica collection to see the individual
replicas and their status.
Modify Volume Collection Replication
Configuration
Settings
You can modify the replication
configuration
of a volume collection or of the volumes in the collection.
1.
Click
Volumes
.
2.
Expand
Volume Collections
and then select the collection that you want to modify.
3.
Click
Modify replication settings
to open the Volume Collection – Modify Replication Settings dialog box.
4.
To modify the settings, double-click the volume in the collection list to open up the replication settings for that volume. Make
adjustments for each volume as necessary.
5.
Click
OK
to save your changes.
About Replicas
Similar to a snapshot, a replica represents the contents of a volume at the time the replica was created. Each replicated volume has a
replica set, which is the set of replicas created over time. You can create replicas of individual volumes or volume collections. You can
create replicas manually at any time, or you can set up a schedule.
Individual replicas are
identified
by the date and time that the replication operation started. The replica set name is based on the
volume name and includes a dot-number extension to ensure that all replica set names are unique, in case two
different
partners
replicate volumes with the same name to the same group. The number in the extension
reflects
the order that each partner was
configured
as a replication partner to the group. For example, all replica sets from the
first
configured
partner have a dot-1 extension
(such as
dbase.1
). Replica sets from the next
configured
partner have a dot-2 extension (such as
dbase.2
).
256
About Backing Up and Protecting Your Data