Raid controller module ownership/preferred path, Raid controller module, Ownership/preferred path – Dell POWERVAULT MD3600F User Manual

Page 198: Viewing information about a remote, Replication or replication repository, Virtual disk

Advertising
background image

198

Configuration: Premium Feature— Remote Replication

RAID Controller Module Ownership/Preferred Path

During a remote replication operation, the RAID controller module that owns

the primary virtual disk must correspond to the RAID controller owning the

secondary volume on the remote array. If both virtual disks do not have the

same preferred RAID controller module when a remote replication begins, the

ownership of the secondary virtual disk is automatically transferred to the

preferred RAID controller module of the primary virtual disk.

• When the remote replication is completed or is stopped, ownership of the

secondary virtual disk is restored to its preferred RAID controller module.

• If ownership of the primary virtual disk is changed during the remote

replication, ownership of the secondary virtual disk is also changed.

If any of the following conditions apply to your RAID controller module, you

must manually change module ownership to the alternate RAID controller

module to allow the remote replication to finish:

• The status of the remote replication is In Progress.
• The preferred RAID controller module of the primary virtual disk fails.
• Transfer of ownership does not occur automatically during failover.

CAUTION:

To avoid possible loss of data, verify that either the virtual disks are

not in use, or a multi-path driver is installed on the host. If you change the RAID
controller module ownership/preferred path while an application is using one of
the virtual disks, I/O activity is disrupted and I/O errors may occur.

Viewing Information About a Remote Replication or Replication

Repository Virtual Disk

In MD Storage Manager, the Storage Array Profile and the Properties pane

display information about the physical and logical characteristics of the

remote replication.

book.book Page 198 Tuesday, June 18, 2013 3:03 PM

Advertising
This manual is related to the following products: