For those of you who read the MDS 9000 NX-OS update, 5.0(7), release notes, you may have noticed that the title of this post is…
UCS Blades Power Off Unexpectedly
I was called into an interesting issue over the past week. I was told that a chassis worth of UCS blades had powered off without…
Cisco Bug: Show Commands Cause (Dual) Fabric Reboot(s)
Over the last two weeks I have been hit by the same UCS bug, though by different means, twice and as such I would like…
WARNING: CpuSched: XXXX: processor apparently halted for XXXX ms
While I have seen people discuss this error message and solution, I figured it would be a good idea to discuss in terms of specific…
Cisco UCS B230 M2 Caveats
The latest half-width Cisco UCS B-series servers are beautiful pieces of machinery. In such a small footprint it is possible to get two processors each…
UCSM KVM Console Displays Black Screen
Over the past several weeks, I have been standing up new hardware in order to expand a cloud infrastructure. During this process, I was tasked…
Show VLAN
If you are a network administrator, then you probably know that on many switches typing the command ‘show run’ will display the running switch configuration…