[CentOS] lvm 1 drive fails whole vol data lost

Fri Dec 24 13:11:56 UTC 2010
Phil Schaffner <Philip.R.Schaffner at NASA.gov>

Markandeya wrote on 12/24/2010 07:57 AM:
...
> "do you realize that if any one of those 4 miscellaneous drives fails,
> you lose the whole volume?"
> 
> Can anyone confirm this?

Yes.

> 2: can you add(extend) a physical hdd with data to a LV without losing the data?

No.

> 3: can you remove one hdd to add another of same size and file system
> but with different data?

No.