![]() Tech Takes Diverse Approaches to Sustainability Including Net Zero Carbon by 2030 Impact of Recent Australian Data Centre Outages on Businesses and Risk Mitigation VirtualBox admins enjoy a lot of flexibility, but what about performance? Follow these tips to help your VMs boost the performance of your guests. ![]() In some cases, those VMs are powered by the popular and free VirtualBox. ![]() Many data centers rely on virtual machines (VMs). I would really really appreciate some help and am more than happy to provide any more information if this wasn't enough, although I'm sure my waffling has gone on long enough already.If your VirtualBox virtual machines are lagging in performance, check out these five tips. I have pasted the output of the log file for running CentOS from ArchLinux on. Next stage - I'm going at it guns blazing now - backup Data drive, format it to NTFS with Disk Utility, then try again with a fresh CentOS virtual machine. Result: no problem at all, totally smooth. Test: boot up laptop with LiveCD I used before. ![]() Next thought - a corrupt CentOS download which somehow has ruined itself sitting on my CD. Not a corrupt virtualbox installation (I did do a package reinstall on Linux host but not Windows). As if by magic it was absolutely fine, unscathed, fluid. So I then tried to prove this, by loading up my Windows guest machine from both Linux and Windows host (remember that I keep all vdi files on the same partition). The only thing I could think of was that my Data drive was somehow corrupt. I'd eliminated a potential host OS issue because it had the same performance from the Windows host (I do run Arch Linux and am quite new to it so I admit that something could have easily been broken by me). I'd eliminated that the VDI file was corrupt by creating a completely new one and experiencing the same slowness. Restarting the laptop and doing most of the above from Windows hostīy this stage I was completely confused. Creating a new virtual machine with a new disk altogether, then booting up with the same CentOS LiveCD that I used to install it originally Installing the Guest Additions (admittedly I thought it was already installed) and restarting the VM Playing with as many of the settings as I thought would effect the performance Throwing loads of RAM (2Gb) and video memory (the maximum allowed) at the VM vdi file (on my Data drive) and then recreating the virtual machine from the vdi Deleting all the vbox files, leaving only the. What I've tried - all of which resulting in the same laggy performance All operations on the machine are slow aswell, even just moving the mouse is laggy. It takes over five minutes to boot up as opposed to the normal 30 seconds or so. I booted up my CentOS machine from my Linux OS only to find that it was crawling along at an unbelievably slow pace. With the CentOS, I only access this from my Linux OS so I have just one copy of that.Įverything was running absolutely fine and smoothly until yesterday. For the Windows XP file I actually have two copies of it, one which I access from Windows and the other I access from Linux. I currently have two virtual machines a Windows XP and a CentOS machine. I have VirtualBox installed on both OS's, and keep all my VDI files on the Data partition and point VirtualBox to those VDI files. 1329785589_991圆42_scrot.png (125.17 KiB) Viewed 24052 times In LTR order: System Reserved | Windows partition (C:/) "sda2" | Data partition "Data" | ArchLinux partition "sda4"
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