We are in the process of migrating to new database servers. Our current
RAC clusters are running OCFS2 1.2.9 on RHEL 4. Our new servers are
running OCFS2 1.6 OEL5. If possible, we would like to minimize the
amount of data that needs to move as we migrate to the new servers. We
have the
The file system on-disk image has not changed. So the 1.6 file system
software can mount the volume created with 1.2 mkfs. What you cannot do
is concurrently mount the same volume with nodes running 1.2 and 1.6
versions of the file system software.
It is not mixed mode. The 1.6 fs software will
On 02/29/2012 04:10 PM, David Johle wrote:
I too have seen some serious performance issues under 1.4, especially
with writes. I'll share some info I've gathered on this topic, take
it however you wish...
In the past I never really thought about running benchmarks against
the shared block
