3-2Network Wide Backup & Restore Engineering Considerations

Estimated Time to Backup an OPC

The estimated time for OPC backup to complete is dependent on the following:

available bandwidth

number of controllers

concurrent jobs setting under the user preferences of the GUI

Table 3-1

Estiimated time to backup an OPC

# of OPC

56kb/s

56 kb/s

1.544 mb/s (T1)

1.544 mb/s (T1)

 

Conc_Job=1

Conc_Job=5

Conc_Job=1

Conc_Job=5

 

 

 

 

 

1

27 minutes

27 minutes

17 minutes

17 minutes

 

 

 

 

 

10

135 minutes

45 minutes

27 minutes

25 minutes

 

 

 

 

 

50

615 minutes

165 minutes

115 minutes

65 minutes

 

 

 

 

 

150

1815 minutes

465 minutes

315 minutes

165 minutes

 

 

 

 

 

Estimated Time to Backup an NP

The estimated time for NP backup to complete is dependent on the following:

# of NPs on the same MOA

available bandwidth

number of NPs

Table 3-2

Estimated time to backup an NP

# of NP

56 kb/s

1.544 mb/s (T1)

 

 

 

1

7 minutes

4 minutes

 

 

 

10

70 minutes

40 minutes

 

 

 

50

350 minutes

20 minutes

 

 

 

150

1050 minutes

600 minutes

 

 

 

Additional Capacities

The following table shows the engineering capacities for the backup and restore GUI usage, as well the number of simultaneous backups and restores allowed.

Integrated Network Management

Rel 1.0 Standard July 1999

Page 30
Image 30
Nortel Networks NTNM13XKAB manual Estimated Time to Backup an OPC, Estimated Time to Backup an NP, Additional Capacities