Everyday Ramblings and Solutions to Everyday problems!
Graphics have gone off the GRID!
Hopefully by now, when you see or hear the words ‘NVIDIA GRID’…you know, this is all about delivering centrally managed, accelerated graphics to virtualised desktop infrastructures, right?
I’m guessing possibly not – anyone who uses VDI, knows that the biggest Achilles heel of the solution is delivering feature rich content and high end graphics to their power users. So what do IT Managers do, they resort to buying custom built workstations or MacPro’s and just accept that there is no alternative.
Interestingly, I think the lack of rapid deployments for NVIDIA GRID comes from the lack of market knowledge. Whomever I speak to about delivering Siemens NX, AutoDesk or CATIA (to name a few) through their VDI estate, tells me it’s not possible. It’s at that point I take great pride in having the ability to say ‘actually, it is possible and here’s why!’
Axess were one of Three partners in the UK chosen to take the solution to market in late 2013 and to be honest, for me, it’s been a rapid learning curve about Computational Fluid Dynamics and Thermal Transition Simulation – I never thought I’d be learning about the way liquid densities are affected by outside temperatures on a Boeing 747 and thus fuel economies are reduced! But the reason this is all important, generally engineers and designers are the people who feel the pain of not using VDI. These are the guys who have to work on desktop PCs, who can’t work from home, who are still susceptible to viruses and software corruption and those who have to beg for new desktops after 18 months.
For me, understanding these challenges is important – it means that when you’re talking to an IT manager about how you can make his life easier and reduce his costs, you can also talk to the designers and the engineers about how to make their lives easier and how much of an impact a system like this can have!
Alas however – I’m off on a tangent because recently announced by NVIDIA, is their new GRID 2.0 (sounds like Skynet, right?). Almost a dozen fortune 500 companies in the states are completing trials of GRID 2.0 right now - and with 125 approved server models supporting the technology– it looks like this solution could start opening some big doors.
Employees can work from almost anywhere without delays in downloading files, increasing their productivity. IT departments can equip workers with instant access to powerful applications, improving resource allocation. And data can be stored more securely by residing in a central server rather than individual systems.
"NVIDIA GRID technology enables employees to do their best work regardless of the device they use or where they are located. This is the future of enterprise computing." said Jen-Hsun Huang, co-founder and CEO of NVIDIA.
The ability to virtualise high end desktops from the datacentre has not been possible until now due to low performance, poor user experience and limited server and application support. NVIDIA GRID 2.0 integrates the GPU into the datacentre and clears away these barriers by offering:
Doubled user density: The original GRID solution introduced last year has been doubled, allowing up 128 users per server. This enables enterprises to scale more cost-effectively, expanding service to more employees at a lower cost per user.
Doubled application performance: Using the latest version of NVIDIA’s award-winning Maxwell™ GPU architecture, NVIDIA GRID 2.0 delivers twice the application performance as before — exceeding the performance of many native clients.
Blade server support: Enterprises can now run GRID-enabled virtual desktops on blade servers — not simply rack servers — from leading blade server providers (especially important for clients with Green initiatives).
Linux support: No longer limited to the Windows operating system, NVIDIA GRID 2.0 now enables enterprises in industries that depend on Linux applications and workflows to take advantage of graphics-accelerated virtualisation.
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I found quite a neat little trick, whether or not the following technical processes are by design I dont know but I assure you this has worked for me loads of times.
If you see Sophos Anti Virus with a red shield in it, first thing I used to do is rename the Cache folder in Program Files and then click update. Job done, it updates we can all go home with a smile on our faces.
What I noticed recently was that this didnt fix the problem at all, it generally made a bit more of a mess.
So, if you find that the Cache folder has an update in there (Usually 68Mb+) Navigate to: C:\Program Files\Sophos\AutoUpdate\cache\savxp and click Install Sophos Anti Virus, this will run you through a quick WinInstaller and then update the program.
You will probably have to reboot at this point, you can choose to reboot, usually I just log off ;) (As im sure most IT pro's do)
Finally just re-enter the update credentials into the Sophos program and re-check for updates.
LSASS.EXE - System Error, security accounts manager initialization failed because of the following error: Directory Services cannot start. Error status 0xc00002e1.
I know everyone's scenario's when seeing this message are pretty varied but I found a nice way to fix this within an hour providing you have a similar setup.
In my particular case I had two servers an SBS 2000 (oh dear I hear you cry) and a Standard Server 2003 running SP1. The 2K3 machine was rebooted and upon reboot we were presented with the above error.
So to fix try the following:
1. Reboot the 2K3 server into "Directory Services Restore Mode" then logon to the machine locally, in my case I didnt know the restore password (results of taking on machines from other support companies.)
-If this is the case go onto the second server, right click "my computer" and select manage, within the new window, right click the "Computer Management" header and then click connect to another compu…