You may want to ask these questions on the zodb-dev list instead of on here... more likely to get the answers in a timely way..
----- Original Message ----- From: "Tim Hoffman" <[EMAIL PROTECTED]> To: "Dieter Maurer" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Monday, October 01, 2001 11:41 PM Subject: Re: [Zope-dev] Read only ZEO > HI Dieter > > I had a look at z2.py (it's actually -r) so any way I tried (not too > successfully). > > I have zeo running with 2.4.1 I have a zss and 2 zeo clients. > One running without -r switch and one running with -r > > In z2.py the -r switch is documented as follows > > -r > > Run ZServer is read-only mode. ZServer won't write anything to disk. > No log files, no pid files, nothing. This means that you can't do a > lot of stuff like use PCGI, and zdaemon. ZServer will log hits to > STDOUT and zLOG will log to STDERR. > > Well when running a zeo client with -r switch results in no log files > being written > and the log is written to STDOUT, but the ZEO client is definately not > in readonly mode > ie I can create and modify documents. (It probably means it can;t cache > to disk ;-) > > I need to track down where READ_ONLY flag is used. There isn't an > occurrance > with the ZEO code, so unless the READ_ONLY capability is implemented > higher up > in the transaction service, thenI think it isn't going to work. > > This document http://www.amk.ca/zodb/zodb-zeo.html which is linked to on > the Zeo Product page > actually mentions using Zeo client in readonly mode. I wonder if anyone > has actually done it? > > Tim > > > Dieter Maurer wrote: > > >Tim Hoffman writes: > > > In some of the overview documents discussing ZEO, there is reference > > > to a ZEO client potentially mounted a ZSS in read only mode. (I want > > > to have some ZEO's in read/write as well) > >When you start Zope with the "-R" option (I think, look at > >"z2.py"!), it is in read-only mode. > > > > > I have been trying to work out how this might be achieved > > > but have pretty much drawn a blank, has anyone done this I > > > have any idea how I might go about doing such a thing. > >There is a patch at > > > > <http://www.dieter.handshake.de/pyprojects/zope> > > > >which allows Zope to be started with a read only storage. > > > >Maybe, you can adapt it for ZEO. > > > > > >Dieter > > > > > > > _______________________________________________ > Zope-Dev maillist - [EMAIL PROTECTED] > http://lists.zope.org/mailman/listinfo/zope-dev > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope ) > _______________________________________________ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )