Owner manual

Parameter Description
autoResync
The settings for automatic resynchronization between the
primary virtual disks and the secondary virtual disks of a
remote replication pair. This parameter has these values:
• enabled—Automatic resynchronization is
turned on. You do not need to do anything further
to resynchronize the primary virtual disk and the
secondary virtual disk.
• disabled—Automatic resynchronization is
turned off. To resynchronize the primary virtual
disk and the secondary virtual disk, you must run
the
resume remoteReplication
command.
writeOrder
The write order for data transmission between the primary
virtual disk and the secondary virtual disk. Valid values are
preserved or notPreserved.
writeMode
How the primary virtual disk writes to the secondary
virtual disk. Valid values are synchronous or
asynchronous.
Notes
Names can be any combination of alphanumeric characters, hyphens, and underscores. Names can have a maximum of
30 characters.
When the primary virtual disk and the secondary virtual disk are chosen, the secondary virtual disk must be of equal or
of a greater size than the primary virtual disk. The RAID level of the secondary virtual disk does not have to be the same
as that of the primary virtual disk.
Passwords are stored on each storage array in a management domain. If a password was not previously set, a
password is not needed. The password can be any combination of alphanumeric characters with a maximum of 30
characters. (A storage array password can be defined by using the set storageArray command.)
Synchronization priority defines the amount of system resources that are used to synchronize the data between the
primary virtual disk and the secondary virtual disk of a replication relationship. If the highest priority level is selected, the
data synchronization uses the most system resources to perform the full synchronization, which decreases performance
for host data transfers.
The writeOrder parameter applies only to asynchronous replications and makes them become part of a consistency
group. Setting the
writeOrder parameter to preserved causes the remote replication pair to transmit data from
the primary virtual disk to the secondary virtual disk in the same order as the host writes to the primary virtual disk. In
the event of a transmission link failure, the data is buffered until a full synchronization can occur. This action can require
additional system overhead to maintain the buffered data, which slows operations. Setting the writeOrder parameter
to
notPreserved frees the system from having to maintain data in a buffer, but it requires forcing a full
synchronization to make sure that the secondary virtual disk has the same data as the primary virtual disk.
Create Remote Replication Group
Description
This command creates a new, empty remote replication group on both the local storage array and the remote storage
array. A remote replication group is a container that can house several replicated pairs so that they can be managed as
176