User`s guide

Synology DiskStation User's Guide
Based on DSM 4.2
87 Chapter 17: Provide Nonstop Service with Synology High Availability
 Create, delete, or repair volumes and iSCSI LUNs.
 Change iSCSI LUN (File-Level) size and location.
 Change iSCSI LUN target.
Unavailable Options: The following options cannot be performed when a high-availability cluster exists:
 Edit or expand volume and iSCSI LUN (Block-Level) size.
 Change RAID types.
Create a High-Availability Cluster
Once you have checked the above requirements and installed Synology High Availability, the two servers can be
combined into a high-availability cluster by going to Overview > Create HA cluster. A setup wizard will walk you
through the steps of creating the high-availability cluster.
More Information
For more detailed information regarding Synology High Availability, please see DSM Help or Synology HA
White Paper.