[CentOS] partitions vs. LVs [was: Re: How to upgrade from 5.8 to 6.2]

Sun Jun 24 16:04:00 UTC 2012
Steve Clark <sclark at netwolves.com>

On 06/24/2012 11:21 AM, ken wrote:
> On 06/24/2012 09:41 AM Benjamin Franz wrote:
>> On 06/24/2012 12:05 AM, Gene Heskett wrote:
>>> And what do you do when this LVM goes corrupt in about a month? I've
>>> had it self destruct on me twice. I hate it when that happens.
>> I would look for some other issue like bad hardware. Over the last
>> several years I've routinely used LVM for pretty much everything and
>> have never had it go corrupt on me except when there was a hardware
>> failure involved. My standard buildouts use LVM over RAID.
> Gene,
> Yeah, the problem is more than likely in your hardware.  I've used it on
> hundreds of machines and since 1999 and never had a problem traceable to
> LVM.  On the other hand, I've seen a lot of disks go bad.
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What I don't like about LVM. at least on a personal system, is it obfuscates where things are if you have multiple
underlying drives. You can't just do a df -h and see what the physical layout really is. I guess there are some
pvdisplay and lvdisplay commands that can show this - but I always have to look them up and when things go
kaflooey and your system isn't working then what - bring out the rescue cd and hope you can figure it out.

Stephen Clark
Director of Technology
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com