About brandonlucas

brandonlucas · 06-26-2015

Hi all - I have a very specific VLAN issue in our UCS-based ESXi environment, and I was hoping you could help me understand where this problem could possibly be. I'm not a network guy, but I feel pretty confident in our UCS configuration, so I'm hop...

brandonlucas · 06-23-2015

Hi All - I am trying to configure boot from SAN for a Windows 2012 R2 server running on a B22 M3. I have previously configured Cisco blades running ESXi 5.5 with no issues in regards to boot from SAN. However, I just can't get this to work. I have...

brandonlucas · 07-22-2014

I have a blade chassis with 8 servers, and a pool of management addresses assigned to a service profile template. All 8 servers are built from this template. There are 8 addresses in the pool.I am finding that 4 servers in I have exhausted all 8 ad...

brandonlucas · 06-26-2015

Here are more details. The connections from our N5K's to the storage are NOT trunked. VPC is used between FI and N5K. I am told the connectivity is LACP. Our storage is active/active (VNX5500). Here are some more troubleshooting details that I fi...

brandonlucas · 06-26-2015

I have a TAC case open now. Our UCS config looks good and we have confirmed the connectivity with the SAN is fine. It does look like perhaps a timeout issue or something is occurring, perhaps related to the high latency. Continuing to troubleshoot...

brandonlucas · 06-24-2015

I am not making it that far. My comment about UEFI was simply that when I turn on UEFI in the BIOS, the BIOS is able to identify the specific LUN during the POST process (rather than just generic storage connectivity shown by Option ROM). It shows ...

brandonlucas · 06-24-2015

Yes, you are correct about my issue. One interesting test I just did is to change the boot mode to UEFI. When I do that, I actually see the exact LUN that was provisioned during BOOT. Then again, I am back to the same problem: Windows installer wil...

brandonlucas · 06-24-2015

Well, my desire ultimately is to use 2 vNICs for booting just like I have for my ESXi environment, but I have read in various locations online that for WK2012 boot from SAN you should only have 1 connection initially for the install, then put in your...

Member Since	‎07-22-2014 04:17 PM
Date Last Visited	‎08-24-2018 02:02 AM
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Strange but explainable UCS VLAN Issues

Server 2012 R2 Boot from SAN with ISCSI - Can't recognize

Cisco UCS Management IP Address assigned twice?

Here are more details. The

I have a TAC case open now.

I am not making it that far.

Yes, you are correct about my

Well, my desire ultimately is