[Linux-cluster] Duplicate Volumes, GFS fail over

[gsml at netops.gvtc.com]

Quoting "isplist at logicore.net" <isplist at logicore.net>:

> Thanks for the info on this, checking it out now.
>
> I've installed and started the service but don't see anything yet. Assuming I
> have to do some configuring. Problem is that the system thinks there is some
> confusion about device letters.
>
>   Found duplicate PV TB3VUn1m3CBOj8dRnRjAbRuD3ZIyBp7t: using /dev/sde1 not
> /dev/sda1
>   Found duplicate PV uXjYfhj4NlvQphf1DIz28psAAkFmJRaM: using /dev/sdf1 not
> /dev/sdb1
>   Found duplicate PV 3mlyNROBtWp4a3LXQEKBiCwk3pJear7u: using /dev/sdg1 not
> /dev/sdc1
>   1 logical volume(s) in volume group "VolGroup01" now active
>   1 logical volume(s) in volume group "VolGroup04" now active
>   1 logical volume(s) in volume group "VolGroup03" now active
>   1 logical volume(s) in volume group "VolGroup02" now active
>
> Do I need to clean this up before I get into the multipath config?

i'm pretty sure that multipath has to be done first, and i do not know  
how forgiving or easy to man-handle lvm would be about enabling the  
multipath after the lvm setup.

-greg