Power

Hello,

We have the following site:

• 2 FS5300 version 9.1.1
• 2 SAN Brocade with 16Gb ports
• IBM Power with dual VIOS, LPARs

we are setting up PBHA for some of our AIX LPARs. Both FS5300 are on same site connected to same brocade switches. PBHA replication is done through FC connection. Storage partition has been setup, IP quorum also. Each SAN switch contains two virtual fabrics; One for PBHA replication other for host+storage connection. Each virtual fabric for PBHA replication contains one zone with one physical WWPN from each FS5300 canister. (architecture is below)

after storage partition creation the test LPAR we are using to validate the configuration (an AIX 7.3 LPAR) is facing I/O latency on the provisionned volumes.

Has anyone already worked with a similar configuration?

Is there anything here that might not be properly set up and could be causing the I/O slowness we're seeing?

At this code level, is there a way to check the synchronization of the PBHA volumes between the two storage arrays?

Thanks in advance