[Ocfs2-devel] OCFS2 cluster debian8 / debian9

[Eric Ren]

Hi,

On 11/23/2017 06:23 PM, BASSAGET Cédric wrote:
> hello,
> I'm trying to set-up an OCFS2 cluster between hosts running debian8 
> and debian9
>
> 2*debian 8 : ocfs2-tools 1.6.4-3
> 1*debian 9 : ocfs2-tools 1.8.4-4
>
> I created the FS on debian 8 node :
>  mkfs.ocfs2 -L "ocfs2_new" -N 5 /dev/mapper/data_san_2
>
> then mounted it without problem
> mount /dev/mapper/data_san_2 /mnt/vol1_iscsi_san2/
>
> I mounted it on second debian 8 host too, without problem.
>
> Trying to mount in on debian9 returns :
> mount.ocfs2: Cluster name is invalid while trying to join the group
>
> I saw in "man mkfs.ocfs2" that debian9 version has --cluster-stack and 
> --cluster-name options.
>
> Is this option mandatory on ocfs2 1.8 ? That would say that ocfs2 1.6 
> and 1.8 are not compatible ? Nothing is said about 1.8 on 
> https://oss.oracle.com/projects/ocfs2/'re
> <https://oss.oracle.com/projects/ocfs2/>

Not sure if they're compatible. So can you try again with 
--cluster-stack and --cluster-name?

# o2cluster -o /dev/sda1
pcmk,cluster,none

pcmk is the cluster-stack, cluster is the name.

Usually, these two option is optional, the tools will detect the right 
cluster stack automatically.

Eric
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