On Tue, May 22, 2007 at 05:21:07PM -0700, centos at 911networks.com enlightened us: > On Tue, 22 May 2007 16:53:32 -0700 > Scott Silva <ssilva at sgvwater.com> wrote: > > > > Which one would be better under the aspects of performance (CPU > > > utilization, disk > > > transfer rate, etc), data security and ability to recover from > > > a disk crash? > > > > > > Does LVM bring a performance penalty? > > I don't think LVM brings any penalty. > > That's because you have not tried to recover an LVM. I had one > with Raid1 and when drive1 failed, Boot was on disk 0. > > I was hoping to able to boot from disk 0 then to put a new disk > next day... To make a short story even shorter, no go. I had to > restore from a 3 days old backup. > > LVMs are very convenient for adding new drive and making them > larger. I don't know of a live-CD that supports LVMs. Apparently you've never used the CentOS4 Live CD, then. I used it to recover data from an LVM on top of md disk just last week. Matt -- Matt Hyclak Department of Mathematics Department of Social Work Ohio University (740) 593-1263