Folks,
I thought some of you may be interested in http://ctdb.samba.org/,
which describes the newly developed CTDB system for clustering Samba.
While developed with Samba in mind, CTDB can also be used in
combination with a cluster filesystem to provide HA failover for a
wide range of services. W
On 2007-06-12T14:23:15, [EMAIL PROTECTED] wrote:
> Folks,
>
> I thought some of you may be interested in http://ctdb.samba.org/,
> which describes the newly developed CTDB system for clustering Samba.
Tridge, that is indeed very interesting! Thanks for reminding me to
investigate that.
I have r
Lars,
> CTDB is built on top of a cluster filesystem layer.
not quite - CTDB relies on one being there, but doesn't actually use
it much itself. CTDB opens exactly 1 file on the cluster fs, that file
never has any data in it, and CTDB holds exactly 1 byte of lock on
that file on one of the nodes
On 2007-06-12T20:42:31, [EMAIL PROTECTED] wrote:
> > CTDB is built on top of a cluster filesystem layer.
> not quite - CTDB relies on one being there, but doesn't actually use
> it much itself. CTDB opens exactly 1 file on the cluster fs, that file
> never has any data in it, and CTDB holds exact
Lars,
> OK. So you're using the CFS as a DLM. Expensive, but possible. ;-)
no, the DLM in CTDB is on our own transport. The single lock is
gained once when a node becomes the recovery master. That means one
lock every few days in a typical setup, which is hardly expensive!
> (That also means t