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Re: [linux-lvm] SolvedLRE: CLVMD and Locking type 3 initialisation failed

From: David Robinson <zxvdr au gmail com>
To: jimm simutronics com, LVM general discussion and development <linux-lvm redhat com>
Cc:
Subject: Re: [linux-lvm] SolvedLRE: CLVMD and Locking type 3 initialisation failed
Date: Wed, 06 Jun 2007 09:47:09 +1000

For Debian lvm2 you have to set the locking_type=2.  It's in the lvm2 source

debian/clvm.README.Debian

However, now that I have ccsd, cman and clvmd happily running (I discovered
I had clvmd running ok when I could run LVM commands).  On both computers in
my cluster, I'm still not seeing the volume group of the other cluster

member. And the status of my Clustser seems fine.

Is there anything I'm missing or doing wrong?  I'm not running a SAN or
iSCSI.  The PVs for each server are partitions I've created from the HW
Raid.

I think your understanding of CLVM may be wrong. CLVM will not makevolume groups etc on local storage available to both nodes - its used tomanage shared storage. Storage is presented to both nodes (ie, a SAN oriSCSI) and CLVM is used to manage the storage (ie, prevent metadatacorruption by using locking, and making sure that both nodes have aconsistent view of each VG etc).


http://sources.redhat.com/cluster/faq.html#shrdstor

Dave

References:
- [linux-lvm] SolvedLRE: CLVMD and Locking type 3 initialisation failed
  - From: James Miller

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