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…
Logrotate Limitations Revisited
The more I use logrotate the less I like it. If you recall from my previous post on logrotate, I choose to leverage the copytruncate…
Starting Vyatta router: configure failed!
Since I have experienced this issue several times before and I can never remember the commands needed to figure out what is wrong, I figured…
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…
Logrotate Limitations
I having been working on a syslog architecture and one key component to the architect was leveraging log rotate for all log files. One section…
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…
Remote Desktop Connection cannot verify the identity of the computer that you want to connect to
If you receive the error message “Remote Desktop Connection cannot verify the identity of the computer that you want to connect to.” and do not…
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…
EMC storage, DAE failures, and vertical striping
EMC’s best practice for creating storage pools and RAID groups on mid to low end storage arrays (e.g. CLARiiON or VNX) has always been to…