[rhelv6-list] How can I create sparse block devices as a logical volumes with lvm

[John Haxby]

On 4 February 2011 08:50, carlopmart <carlopmart at gmail.com> wrote:

> Hi all,
>
>  Is it possible to create sparse block devices with LVM (logical volumes
> not volume groups) on RHEL6 like ZFS does??
>
>
Do you mean something like this (from the lvcreate man page):

        "lvcreate --virtualsize 1T --size 100M --snapshot --name sparse vg1"
       creates a sparse device named /dev/vg1/sparse of size  1TB  with
space
       for just under 100MB of actual data on it.


jch
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