Re: [ZODB-Dev] HA Setup and zodb index file of FileStorage

2006-09-22 Thread Patrick Gerken
On 9/22/06, Christian Theune [EMAIL PROTECTED] wrote: Hi, Patrick Gerken wrote: Hello, its funny, like Garth in may this year I am looking into making a HA system with ZEO for an ERP5 deployment. In my case I don't need to care for data replication, all is stored on a SAN considered HA by

Re: [ZODB-Dev] HA Setup and zodb index file of FileStorage

2006-09-22 Thread Jim Fulton
On Sep 22, 2006, at 2:48 AM, Christian Theune wrote: ... One of the last things I remember is that indexes can not be rebuilt partially but are rebuilt completely. If the existing index is valid, then only new data are read if it isn't current. I think this is what Patrick was referring

[ZODB-Dev] Different commit protocols

2006-09-22 Thread Wolfgang Schnerring
Hi, I'm working with Theuni on the BlobStorage, and am trying to understand the different 2-Phase-Commit protocols that are in use in ZODB at the same time. As I understand it, tpc_* is the old protocol, and prepare/commit is the new protocol. The sequence in Transaction._commitResources is

Re: [ZODB-Dev] Different commit protocols

2006-09-22 Thread Christian Theune
Wolfgang Schnerring wrote: Hi, I'm working with Theuni on the BlobStorage, and am trying to understand the different 2-Phase-Commit protocols that are in use in ZODB at the same time. As I understand it, tpc_* is the old protocol, and prepare/commit is the new protocol. The sequence in

Re: [ZODB-Dev] HA Setup and zodb index file of FileStorage

2006-09-22 Thread Dieter Maurer
Patrick Gerken wrote at 2006-9-22 10:17 +0200: ... Even the first checkin of the filestorage makes a self.read_index(...start = start...) which updates the index from the oldest tid known to the index. I can only imagine that the index gets invalidated if the self._check_sanity() returns 0 thus