Material copy time after failback – Test results

This page contains information about the VMS server failover material copying test. The test was performed to measure the time it takes to copy the stored data after a failback from the failover server to the VMS server. The test results provide a framework for estimating how much time the material copying takes after a failback.

Test setup

The following VMS servers were used when performing the tests:

  • Main VMS server - Real Windows 11 machine with 64 GB RAM

  • Failed VMS server - Virtual machine with Windows 11 and 24 GB RAM

  • Failover VMS server - Virtual machine with Windows 11 and 24 GB RAM

The failed VMS server used camera emulators to keep the stored data similar in each test scenario. Servers used the dedicated disk (the drive D:\) for the storage, and the disk was cleared before running each test scenario. Used servers were connected to a 1GB network.

Test results

The material copying duration was captured from the VMS server logs (C://Program Files/DVMS/DVR/Logs/DVRl.og.txt).

The following table contains information about the material copying test results containing the following information:

  • Duration of failover

  • Number of cameras used

  • Material size that was copied back to the failed server

  • Time in minutes taken for a material copy from failover server to VMS server

Failover Duration

Material Copy

 

 

 

1 Hour

1 Camera

5 Cameras

10 Cameras

15 Cameras

20 Cameras

GB

Minutes

GB

Minutes

GB

Minutes

GB

Minutes

GB

Minutes

1,4

6

7

13

14

20

22

33

29

40

5 Hours

7

13

35

65

70

130

105

185

140

250

10 Hours

14

26

70

130

140

260

210

390

280

500

15 Hours

22

39

105

195

210

390

315

575

420

750