[linux-lvm] FW: LVM

James Hawtin oolon at ankh.org
Tue Jun 25 09:17:02 UTC 2002


On Tue, 25 Jun 2002 bscott at ntisys.com wrote:

> On Tue, 25 Jun 2002, at 8:58am, Montgomery Mouw wrote:
> > I was just wondering if I mount 5 drives using LVM and say the forth drive
> > dies, do I lose the data only on that forth drive or do I lose the data on
> > the whole mount (all 5 drives data)?
>
>   In general, you will lose everything.
>
>   Technically: A drive is used to create a PV (Physical Volume).  One or
> more PVs is used to create an LV (Logical Volume).  If the drive containing
> a PV fails, that PV becomes unavailable.  If an LV needs a PV, and that PV
> is unavailable, the LV will become unavailable as well.
>

I thought changes were planned or done so that if a PV failed the vg could
be force mounted and only the lvs on the unavailable PV would not be
available....

James






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