[ClusterLabs] HALVM problem with 2 nodes cluster

[bliu]

Hi, Marco


On 01/18/2017 04:45 PM, Marco Marino wrote:
> Hi, I'm trying to realize a cluster with 2 nodes that manages a volume 
> group.
> Basically I have a san connected to both nodes that exposes 1 lun. So 
> both nodes have a disk /dev/sdb. From one node I did:
> fdisk /dev/sdb  <- Create a partition with type = 8e (LVM)
> pvcreate /dev/sdb1
> vgcreate myvg
>
> then
>
> pcs resource create halvm LVM volgrpname=myvg exclusive=true
>
> Last command fails with an error: "LVM: myvg did not activate correctly"
>
> Reading /usr/lib/ocf/resource.d/heartbeat/LVM, this happens because it 
> seems that I need at least one logical volume inside the volume group 
> before create the resource. Is this correct?
Yes, you need to create pv, vg before you use cluster to manager it.
> Furthermore, how can I set volume_list in lvm.conf? Actually in 
> lvm.conf I have:
Normally, clvm is used in cluster with shared storage as:
locking_type = 3
use_lvmetad = 0
> locking_type = 1
> use_lvmetad = 1
> volume_list = [ "vg-with-root-lv" ]
>
>
> Thank you
>
>
>
>
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