Category Archives: Storage

NetApp StorageGRID Webscale: First hands on

First of all: what is StorageGRID Webscale? It is a software-defined object-based storage platform from NetApp. It was born about 2000 formaly known as Bycast StorageGRID – in 2010, NetApp bought this technology and give it its new name. It can be accessed via Amazon S3 or OpenStack Swift protocols. With “NAS Bridge” you could… Read More »

NetApp Metrocluster Monitoring

I’ve written some new Monitoring Checks for NetApp Metrocluster (MCC) which can be used in addition to my normal NetApp cDOT Checks. Both can be found in my GitHub Repository: Metrocluster Aggr Status: Checks, wheather the aggregate mirroring status, disk pool allocation and the disk ownership is OK. Metrocluster State: Checks the following options: local-configuration-state: should… Read More »

NetApp AFF A700s Performance Benchmark and Adaptive QoS

Some days after unboxing one of our NetApp AFF A700s, I’ve done some performance benchmark: To utilize this controller, I needed: 16x VMware VM and 16 different hypervisors, each VM: 2 Cores, 4 GB RAM Windows 7 10 GbE Connection IOmeter with 50 works, each 4k Blocksize, 100% Read, 100% Sequential Without limitation, on A700s… Read More »

Unboxed: NetApp AFF A700s

Since I’ve installed our fourth NetApp AFF A700s controller today, I think it’s time for a “Unboxed” blog post. First a few numbers and informations. What is a AFF A700s controller? For short: it’s a smaller and limited version of the big AFF A700 controller. It uses the same CPU, RAM and half of the… Read More »

Nexus Intercluster Switch Monitoring

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

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 »

NetApp | Automatic reschedule multiple snapmirrors

We are experiencing a very high CPU usage due to many (in our case >100) simultaneously starting snapmirror transfers at the same time (for example at 5 minutes after every full hour, if using the cron “hourly”). I’ve written a script with distributes all snapmirror relations across four schedules using the NetApp Perl SDK. The… Read More »