APC RAID Subsystem SCSI-SATA II Instrukcja Użytkownika Strona 126

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SAS / SATA II NAS System
126
User’s Manual
8.1.4 Volume Replication
Replication function enables proNAS to replicate a logical volume from one NAS server
(source) to another NAS server (destination). Replication involves intelligent copying and
maintaining of exact copy of a volume from a source server to a destination server. The
destination volume is always an exact copy of the source volume. This is done by
mirroring the whole block device via a standard network interface. This solution creates
a real time replication of data. However, it does not create a cluster solution where you
can have a highly available system.
Note: Logical Volume under snapshot cannot be replicated.
NOTE: In proNAS version 1.3.xx, Replication of Logical Volumes
with LV capacity up to 16TB is supported.
To enable Replication, select Volume Manager then click Options tab and tick “Enable
Replication function”.
NOTE: Make sure the two proNAS servers have different host
names before setting up Replication.
It is advisable to configure a network port, in each of the two NAS
servers, as dedicated channel/medium for Replication.
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