Help problem with RHEL4 LVM + EMC PowerPath : Found duplicate PV...

[Robert von Bismarck]

Hello,

You have to create a filter in /etc/lvm/lvm.conf so that lvm will ignore
the devices not managed by PowerPath (/dev/sd..)
We use this filter with CX-300 LUNs mounted by PowerPath on a 2850 with
multiple switches/hbas,

    filter = [ "a/sda[1-9]$/" "a/emcpower.*/" "r/.*/" ]

This authorises lvm to scan /dev/sda1 to /dev/sda9 (PERC RAID1),
/dev/emcpowerXX devices and rejects all other devices.
This is regexp-based so you must adjust that filter line to your usage.

Cheers,

Robert


> Hi all,
> 
> Here is the situation :
> 
> I have 2 PE2950 (oracle RAC 10G cluster nodes called s-oracle1 and
> s-oracle2) connected using HBA cards, to an EMC CX300 using PowerPath
> software from EMC.
> 
> Now, i want to create a mount point on each node lets say 
> /emcspaceora1 (on
> first server...) and /emcspaceora2 (on second server...).
> So i ran "system-config-lvm" to get the GUI to create a new 
> VG group and add
> a new LV into it. All has worked ok on the first server, but 
> it got a nerror
> while doing the same thing on the second server..
> 

[ snip ] 

> 
> Any idea on how to correct that ?
> 
> Thanks
> 
> Florent