Posts tagged vmware

Shared VMDKs on ESX vSphere

0
July 9, 2011
by Kura in ,

I'd first like to point out that although the VMDKs are shared between hosts using a shared SCSI BUS they are not synched, meaning that if you write to the mounted point on any machine it will not display on other machines with the same mount point until you remount the drive. Annoying, but understandable.

 

To business.

 

First off all machines that you want to share this VMDK with will need to be OFFLINE.

 

Next up we create the VMDK, I find it easiest to do this by adding hardware to an already existing machine, I'm going to use one that I want the VMDK shared with to make it even More >

Adding swap while the server is online with Debian and VMWare ESX

0
July 7, 2010
by Kura in , , ,

Recently I had to install Oracle on a virtual machine but didn't find out until after I'd spun up of the machine that Oracle required at least 2GB of swap space, my machine did not have enough.

Thankfully it's quite simple to increase swap space, using VMWare ESX, simple add a new drive to the machine as you normally would, I used 5GB.

Detecting the new SCSI drive and partioning it

This bit is simple, I'm going to assume you're logged in as root.

echo "- - -" > /sys/class/scsi_host/host0/scan && fdisk -l

If host0 doesn't work, try changing to host1, host2 etc.

Now we need to format the drive, More >

HOWTO: Guest Virtual Machine disk extend online with Debian/Ubuntu, LVM2 and VMWare ESX

10
February 16, 2010
by Kura in , , ,

Over the last two days I've had the interesting task of online some VMs from clones and increasing their disk space to accommodate a mass of user uploaded content. I've done this before but never actually with an Logical Volume Management (LVM) disk.

My first approach, like a fool, was to clone the VM from source and boot it from a remotely mounted GParted ISO, this didn't actually go as expected and I was unable to add it to the LVM, I found a nice guide online and consulted a colleague because I knew he'd done something similar recently. After the first successful size increase I realised I More >

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