Thanks Manish, Not sure whats happening, when I did the first test plugging out FI-A 's power. I lost network connectivity for about 5mins. Then all my VMs were with the error "EXT3-FS.........Journal has aborted".  Then we have to reboot all VMs to fix the error. Then next day, I just disabled cris cross network and tested with straight connection. Worked fine. Again today, I enabled cris cross ports and tested. Works fine without issue. I could not able to get the RCA for the first test failure. :-( Rgrds, Chandra ... View more

Hi Manish thanks for the reply. We have disks on SAN, no vc, as we are built this environment for Cisco UC applications. After full day of Sunday’s work, I found some issue with upstream topology or configuration. We have two 3750 upstream switches one stack. connected to FIC-A&B, (cross connection) When I make this straight HA works absolutely fine. What would be the recommended topology for upstream connection, on stacked switches? Cheers, Chandra ... View more

Hi Manish, I just going through this thread for finding solution to the issue I am facing on my new UCS setup. I am using palo card (M81KR), when I powered down the Fabric interconnect-A to test failover,  I am losing connectivity to all my ESX hosts for more than 5mins and getting disk errors on all my VMs. I had to reboot all my UC VMs to fix the disk errors. Could you please help, what is that we need to to do fix this issue. Thanks in advance......... CGP ... View more