On Wed, 2002-09-11 at 09:54, Paul Winkler wrote:
On Wed, Sep 11, 2002 at 03:01:14PM +0100, Paul Browning wrote:
What have we understated/exaggerated/misunderstood?
AFAIK, ZEO still does not allow you to distribute your ZODB. There is still a single, central ZEO server with a single ZODB.
Actually, using shared storage, such as one may have on a SAN, or using a shared SCSI bus (I *strongly* recommend the FC-SAN route over the shared SCSI ;), and a fail over server setup, you can indeed provide fail-over ZODB services. Yes, I know fibre channel SANs are beyond the means of most on the list, but it is certainly possible. In fact, I know of a way to provide multi-site fail over using ZODB and SAN technology on Linux. In fact, if one had one of the IBM zSeries boxes ... mmm toys .... I've yet to try it out (looking for a new job takes too much time in this market), but I believe one could use this method and provide multiple read-only ZEO servers for the same DB. -- Bill Anderson Linux in Boise Club http://www.libc.org Amateurs built the Ark, professionals built the Titanic. Amateurs build Linux, professionals build Windows(tm).