Hi,

No answer?? Does anyone know if the redhat documentation is correct?

Thanks
Nuno Fernandes


On Tuesday 02 October 2007 18:36:26 Nuno Fernandes wrote:
> Hi,
>
> I'm trying to create a snapshot of a clustered LV of 3 nodes.
>
> Acourdingly to
> http://www.redhat.com/docs/manuals/enterprise/RHEL-5-manual/Cluster_Logical
>_Volume_Manager/snapshot_command.html
>
> "LVM snapshots are not cluster-aware, so they require exclusive access to a
> volume. For information on activating logical volumes on individual nodes
> in a cluster, see Section 4.8, “Activating Logical Volumes on Individual
> Nodes in a Cluster”."
>
> So i try do activate the LV in one node only:
>
> [EMAIL PROTECTED] ~]# lvdisplay -C /dev/vg_clientes_so/root-app2
>   LV        VG             Attr   LSize Origin Snap%  Move Log Copy%
>   root-app2 vg_clientes_so -wi--- 5.00G
> [EMAIL PROTECTED] ~]# lvchange -aey /dev/vg_clientes_so/root-app2
> [EMAIL PROTECTED] ~]# lvdisplay -C /dev/vg_clientes_so/root-app2
>   LV        VG             Attr   LSize Origin Snap%  Move Log Copy%
>   root-app2 vg_clientes_so -wi-a- 5.00G
>
> I the other 2 nodes i can see that the LV is not active:
>
> [EMAIL PROTECTED] ~]# lvdisplay -C /dev/vg_clientes_so/root-app2
>   LV        VG             Attr   LSize Origin Snap%  Move Log Copy%
>   root-app2 vg_clientes_so -wi--- 5.00G
>
> [EMAIL PROTECTED] ~]# lvdisplay -C /dev/vg_clientes_so/root-app2
>   LV        VG             Attr   LSize Origin Snap%  Move Log Copy%
>   root-app2 vg_clientes_so -wi--- 5.00G
>
> But when i try to create a snapshot in blade01 i get:
>
> [EMAIL PROTECTED] ~]# lvcreate --size 500M --snapshot --name
> snap /dev/vg_clientes_so/root-app2
>   Clustered snapshots are not yet supported.
>
> I'm using lvm2-cluster-2.02.16-3.el5 and RHEL5.0.
>
> Any ideas?
>
> Thanks
> Nuno Fernandes
>
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> rhelv5-list mailing list
> [email protected]
> https://www.redhat.com/mailman/listinfo/rhelv5-list

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