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 »

VMware vExpert 2018

Right after my two weeks long camping tour through Sweden, I noticed a mail from VMware. “You’re in. Welcome to the VMware vExpert Program“. VMware vExpert is a program to recognise the contribution in the VMware community, blogs and social media. In 2018 there are 1741 vExperts from 72 different countries. After my NetApp United… Read More »

ESXi Update 6.5 U2 fails

While upgrading from VMware ESXi, 6.5.0 to 6.5 Update 2, the update fails with the following error: [root@host:~] esxcli software vib install -d /vmfs/volumes/echt_raid5/update-from-esxi6.5-6.5_update02.zip   [InstallationError]  Failed updating the bootloader: Execution of command /usr/lib/vmware/bootloader-installer/install-bootloader failed: non-zero code returned  return code: 1  output: ERROR: ld.so: object ‘/lib/libMallocArenaFix.so’ from LD_PRELOAD cannot be preloaded: ignored.  Traceback (most recent call last):… Read More »

VMware PowerCLI on Debian Linux

Getting sick of Microsoft Windows and the ISE, I’ve installed VMware PowerCLI on my Debian Linux today. Everything could be done from your Shell, you do not need to download anything with your browser. Nice stuff – PowerCLI was installed in unter 2 minutes 😉 First you need to add some apt sources and install… 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 »