On 12/10/2013 07:49 PM, Paul Robert Marino wrote:
>
> Well in the case of migrating from one storage array to an other newer
> bugger one the LVM migration capability is handy.
> Any one who has had to go through the pain of a SAN migration especially
> to a different SAN vendor will see the value of LVM there. That said
> that only became stable enough to really trust it on critical
> infrastructure a few years ago.
> The ease in growing a volume on a LUN comes from the fact that LVM
> volume group can span multiple logical disk partitions and or LUNs
>   although again this really only became stable enough to trust it on
> critical infrastructure a few years ago as well.
>
> Early on there were many problems with LVM but over the years its
> matured significantly I've begun to trust it more  and more since the
> release of El6, where under EL5 I absolutely refused to use it on any
> production box.

Yes, it has improved over time, but I wouldn't call it unusable in 
RHEL5.  I have a RHEL5 server which has been running LVM since it was 
installed 4 years ago, and it is at 99.996% uptime (excluding scheduled 
maintenance).

Jeff