[ale] mint 13 vm running out of storage space

[Jim Kinney]

Thin provision is great for multiple VMs that are nearly identical like the
base system for testing/QA/development environments or thin client
desktops. With shared memory and shared drive space, it's possible to
really squeeze a lot of use from a VM host.
On Oct 14, 2013 1:54 PM, "Ed Cashin" <ecashin at noserose.net> wrote:

> On Mon, Oct 14, 2013 at 10:59 AM, Michael B. Trausch <mbt at naunetcorp.com>wrote:
> ...
>
>> I don't use thin provisioning on the disk... personally, I think it's
>> asking for trouble.
>>
>
> When you're creating disposable, seldom-used VMs for development, thin
> provisioning can be nice, and you can often get by with something more
> lightweight than LVM---sparse files.
>
> The dd command allows you to write way past the end of a file to create a
> sparse file, and tools like GNU cp and rsync have options that allow sparse
> files to be treated as such.
>
> I made a script that helps me conveniently use dd to create image files
> for VM disks (and loop device disks, or whatever).
>
>   http://noserose.net/e/code/sparsefile
>
> I think you can use dd again to write past the end again, and then you can
> boot the VM from a CD image and resize the filesystem, if the fs supports
> that (many do).
>
> --
>   Ed Cashin <ecashin at noserose.net>
>   http://noserose.net/e/
>   http://www.coraid.com/
>
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