Re: [PLUG] Spanning volumes with LVM (Ubuntu)

[Rich Freeman <r-plug@thefreemanclan.net>]

On Sat, Sep 28, 2013 at 12:53 PM, Eric H. Johnson
<ejohnson@camalytics.com> wrote:
> No, I believe it only exists on the 1TB drive.
>

Exact command lines and output would probably help here.

When you used pvcreate/pvextend, did you specify /dev/sdx1, or
/dev/sdx?  If the former there is a decent chance that you only
partitioned 2GB.

As you point out ext3/etc can handle large volumes, but they'll only
use whatever lvm exposes to them.

Can you give us the output of pvs, vgs, and lvs?  That will probably
make more clear what is going on.

Also, running lvm alone on top of multiple volumes means that if any
drive fails you're going to lose a lot of data.  You should probably
be running md-raid underneath that unless you just intend to restore
the whole thing from backup anytime you lose a drive, or unless you're
running something like zfs/btrfs (in which case you wouldn't be using
lvm).

Rich
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