Storage System User Manual
53
6.4
N+1 Management
Purpose:
A storage system whose HYBRID SAN service has started can serve as a backup HYBRID SAN for other HYBRID
SAN s. When one or more master HYBRID SAN s fail, the backup HYBRID SAN would record the videos from
encoders. Master HYBRID SAN error includes network error, private volumes damaged, database error, and
HYBRID SAN service error. After the master HYBRID SAN s recovers to normal, backup HYBRID SAN would
upload videos back to master HYBRID SAN s.
Before you start:
Start HYBRID SAN service in both master HYBRID SAN and backup HYBRID SAN .
Step:
Click
N+1
in navigation bar and choose
N+1
to enter HYBRID SAN interface.
Figure 6. 15
N+1 Management
Log into master HYBRID SAN and add backup HYBRID SAN for master HYBRID SAN first. And then Log
into backup HYBRID SAN and add master HYBRID SAN for backup HYBRID SAN .
A storage system can be either backup HYBRID SAN or master HYBRID SAN .
Ensure the system time of backup HYBRID SAN and master HYBRID SAN are the same. For detailed steps
of modifying system time, refer to
Chapter 8.3 Time
.
Once master HYBRID SAN can only link to one backup HYBRID SAN
It is not recommended that encoding devices added in backup HYBRID SAN have duplicate name.
6.4.1
Adding Backup HYBRID SAN
Purpose:
Add backup HYBRID SAN in master HYBRID SAN first.
Before you start:
Log into master HYBRID SAN and enter N+1 Management interface.
Steps:
1.
Click the
Add Backup HYBRID SAN
button.