After checking the compatibility between primary and secondary HA pairs, what other prerequisite should the Administrator check within Managed Interfaces?

An Administrators will add a secondary host to an IBM Security QRadar SIEM V7.2.8 Console in a High

Availability (HA) deployment scenario.

After checking the compatibility between primary and secondary HA pairs, what other prerequisite should the Administrator check within Managed Interfaces?

A. The shared external storage.

B. The server certificate that is issued by the local CA.

C. The existence of an additional distributed file system.

D. The communication for Distributed Replicated Block Device.

View Answer

Answer: D

Explanation:

CP port 7789 must be open and allow communication between the primary and secondary for Distributed

Replicated Block Device (DRBD) traffic.

DRBD traffic is responsible for disk replication and is bidirectional between the primary and secondary host.

Reference https://www.ibm.com/support/knowledgecenter/SS42VS_7.2.7/com.ibm.qradar.doc/

c_qradar_appliance_require.html