The test results are based on a model in which the constant-bandwidth safety and security video traffic remained unaffected during a single node maintenance cycle, disk rebuild, SP failure.
We used 10 Gigabit Ethernet (GbE) interfaces. We performed all tests with a per-camera bandwidth of Mb/s, so a single Recorder that handles MB/s can support such cameras.
We performed all tests with node or drive failures in place in the cluster (for example, with Isilon FlexProtect running) to ensure a worst-case scenario for all sizing parameters. Maximum per recorder bandwidth may vary based on the configuration of the Recorder server used.
The Dell EMC Safety and Security Lab recommends not exceeding 70 percent capacity.
The following table provides bandwidth-sizing guidelines based on our test results.
Table 2.
Dell EMC Isilon node and cluster (SMB) test results for Cayuga
Per SVR |
Per node |
A2000 |
8.1.1.1 |
1 |
80 |
80 |
10 TB |
28.8 PB |
2 |
40 |
80 |
10 TB |
3 |
26 |
78 |
10 TB |
Note: All disk drives are NL-SAS 7200 RPM unless otherwise noted.
This guide provides details on the total load that was tested in the Dell EMC Safety & Security Lab. However, the independent software vendor (ISV) should provide the actual server specification. The test results in this guide set a server bandwidth specification that is based on our lab environment, which can be used in the event the ISV does not provide these specifications.