Re: [CentOS] When should LVM be used?

At Fri, 30 Jul 2010 16:07:39 -0500 CentOS mailing list centos@centos.org wrote:

On Fri, Jul 30, 2010 at 5:50 AM, Juergen Gotteswinter jg@internetx.de wrote:

...

• snaphotting (great for db backup)
• resizing partition
• "online" partitioning

I didn't know LVM would do snapshots -- I'll have to look into that. But I'm guessing the feature is pretty much worthless if the whole hard drive is taken up by one LVM partition -- which has been my CentOS default setups.

Yes, the *default* setup is just plain wrong, and in general should NOT be used. Yes, the default works (one big happy filesystem), and actually might make sense for a virtual server, but otherwise no. See

http://www.deepsoft.com/2006/03/partitioning-for-linux/

for some thoughts on partitioning for Linux (also applies to LVM volumes).

Thanks.