[Ocfs2-users] compile error on sles 11

[Sunil Mushran]

Werner Flamme wrote:
> For RHEL there are readyly built packages, why would I build my own
> packages then? The build worked fine with another SLES10.
>
> Yes, ocfs2 is included by SLES. Not SLES 11, of course - it is in the
> separately sold "High Availability" package. But the version included in
> SLES9/10 does not allow to mount a volume that has been created by RHEL
> (or, in that case, the software that is sold as Oracle Unbreakable
> Linux). It refuses to mount with "mount.ocfs2: Unsupported feature(s)
> found while opening device /dev/sdb".
>   

# tunefs.ocfs2 -Q "%M %H %O\n" /dev/sdX
Look at the features enabled on the volume. Then check the features
supported by ocfs2 on the distro. The docs should have that.

Read the ocfs2 1.4 user's guide. It explains this in detail.

> This sure is a feature, I know. However, I do have to share a volume
> between the Oracle RAC running on the "Oracle Unbreakable Linux" boxes
> and my SAP servers running with SLES. How can I do that? Do I really
> have to delete the filesystems on the RAC an re-create them with the
> (older) versions on SLES?
>   

No, you can disable that feature.