One of the improvements that came along with Nutanix AOS 5.5 was IO path optimization feature called “AHV Turbo”.
While the marketing department at Nutanix might have fallen asleep and woken up in 1990s with god-awful name like this, it is actually a GOOD feature. Every time I hear word “Turbo” in IT related matters, it just reminds me of my first ever PC, a 286 with a “Turbo” button, which supposedly boosted performance by increasing frequency from 8 Mhz to 12 Mhz, but did actually do diddly-squat 🙂
Continue reading “First experiments with Nutanix AHV Turbo.”
Third installation of this popular post comparing Nutanix Acropolis Hypervisor (AHV) and Vmware vSphere Hypervisor. This version is based on Nutanix AOS 5.5 version. Earlier versions of this post can found by clicking following links: 4.6 and 5.0.
There are still some use cases where using Vmware with Nutanix platform is required. But the list is getting smaller and smaller and there are less and less reasons to pay hypervisor licensing fees.
Continue reading “Nutanix Acropolis hypervisor (AHV) vs Vmware vSphere hypervisor, AOS 5.5 edition”
Finally got my hands on AOS 5.5 and upgraded our lab Nutanix cluster to this version.
In my earlier post I described how to manipulate “iptables” rules to allow access to “Stargate” or “port 2009” pages. Stargate page contains lots of detailed information of I/O operations, more info in my earlier post. It seems that “iptables” configuration has changed in this version.
In versions prior AOS 5.5 “iptables” chain used was called “WORLDLIST”. In AOS 5.5 the name of the chain has changed to “MGMT_OPENFROMALL”. This requires changes in “iptables” commands used.
Continue reading “Enabling Nutanix “Stargate” I/O statistics page access with allssh command, AOS 5.5 edition”
Oct 24, 2017 Visio by DPTPB release update notes. Long over due documentation of new NetApp FAS / AFF Disk Shelf Stencil, already released back in May :=)
New DPTPB NetApp FAS / AFF Disk Shelf Stencil has by far the most complex internal structure, hopefully in favour of much easier shape usage. Besides standard V2 design changes, there is now much more automation and dynamic features with the new disk shelf shapes.
Continue reading “Visio by DPTPB: NetApp FAS / AFF Disk Shelf Stencil (V2)”
Minor update for Visio by DPTPB stencil collection.
New NetApp 7.6 TB SSD
Added this new drive to NetApp controller and disk shelf stencils.
- NetApp part number: X319A.
- Marketing capacity: 7.6TB
- Right-sized capacity: 7153 GiB
- Supported with following HW platforms: AFF A200, AFF A700s, DS224C, FAS2650
New / Replaced logos used in Universal Margin shape
- Removed: BigTec logo
- Added: Arrow logo + few re-seller logos
Template files have been updated with the new “Universal Margin” shape.
Sample drawings still use the old version, if new logos are needed, navigate to “background template” tab, remove old “Universal Margin” shape and pull new “Universal Margin” shape from DPTPB cables stencil.
New stencil packages
All stencil packages have been updated with changed content. Please visit: NetApp, Nutanix and/or Rubrik download pages.
For some reason I managed to upload images into Nutanix AHV image catalog that were corrupted. This might be a browser related issue, I have to do some digging in order to find root cause for the problem.
One symptom of image corruption was that all the controls for the image were missing from the Prism GUI. The image was there, but no controls and there was no way to remove the corrupted image.
- Login into one of the CVMs as nutanix user
- Launch acropolis CLI: acli
- List images: image.list
- Delete images: image.delete
Continue reading “Nutanix AHV: removing corrupted images from catalog”
I’ve haven’t had pleasure to design a solution based on AFF A700 platform yet, maybe one glorious day… Quite often performance / capacity requirements can be fulfilled with lesser platforms like AFF A300 or even AFF A200.
Continue reading “Visio by DPTPB: 4-Node NetApp AFF A700 Fabric MetroCluster sample drawing”