Vertiv Avocent HMXCC1-G2, Руководство пользователя

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HMXCC1-G2 User’s Manual
102
Chapter 7 Failover for Database Replication
Figure 7-17
Go to System > Backups
，
download the setting data from the HMXCC1 controller unit in normal operation and save it to the PC.
Remove the failed controller unit. Go to System > Backups .
To restore previous configuration, find the database backup files (file format: hmxcc-backup-xxxxxx.sql.gz) and click < Select
File > button to load a desired database backup file. Next, click the < Restore Settings > button to resolve the fault condition.
a. The master unit and slave unit operate in parallel, and the master unit fails
Figure 7-18
HMXCC1 Master Unit
User IP: 192.168.1. 201
Device IP: 169.254.3. 2
HMXCC1 Slave Unit
User IP: 192.168.1. 202
Device IP: 169.254.3. 3
User Registration, authority, and
network security management.
1. Slave unit regularly polls and monitors the master
unit. As the master unit fails, the slave unit sends out
an email to notify the administrator.
2. Slave unit retrieves the setting data and log from the
master unit per every minute.
1. Shut down the power supply of the failed master unit
and remove it from the LAN. Add a new controller
(new master unit) to the same network environment
and standby.
2. Download the database backup file and the log file
from the slave unit to the computer.
3. Restore the backup files back to the new master unit.
Master unit fails.
Login the management interface of
the new master unit. Go to
System > Networks , After clicking the
< Configure > button, input User
IP:192.168.1. 201 and Device
IP:169.254.3. 2 as the previous failed
master unit. At last, click the
<
Submit > button to reboot the new
master unit to take effect for
operation.
Slave retrieves the latest
setting data and log.
Slave polls the master regularly.