Nexus Intercluster Switch Monitoring

By | 2018-03-21

We are using the Cisco® Nexus 3132Q-V switches for our NetApp Clusters. To have a good monitoring of these switches you need two types of checks: Checks for CPU, RAM and Hardware-Status from David Barbion Can be found in his GitHub-Repository  My check for current port state (“Are all configured ports in state up?”) Can… Read More »

NetApp United 2018 Team Member

By | 2018-03-21

Yesterday I received a very surprising E-Mail from NetApp: I’m in the NetApp United 2018 Team. I’m proud to be elected in this global team. Congratulations to all new members and all members who are in the team again 🙂 Now I’m looking forward to new connections and great networking with the big NetApp familiy.… Read More »

RRDtool grading graphs

By | 2018-03-20

One of my oldest IT articles from about 2005 🙂 Introduction This HOWTO describes how to quickly generate a nice graph, showing you the average ping time off a specific host. This picture is the result we should get: This setup consists of 4 steps * Configfile * RRDcreate * RRDupdate * RRDgraph Configfile The… Read More »

NetApp | Destroying foreign aggregates

By | 2018-03-20

node run -node <node> options nodescope.reenabledcmds “aggr=destroy” aggr destroy <foreign aggr name> options nodescope.reenabledcmds “” Or the newer, better way: storage aggregate remove-stale-record -aggregate <foreign aggr name> -nodename <node>

VMware ESXi Multipath Configurations

By | 2018-03-20

Set Default Multipath Policy to Round-Robin esxcli storage nmp satp set –default-psp=VMW_PSP_RR –satp=VMW_SATP_ALUA Change ALL LUNs to Round-Robin Multipath for device in $(esxcli storage nmp device list | grep ^naa); do esxcli storage nmp device set –device $device –psp VMW_PSP_RR; done