Re: Making metadata storage SQL-driven

[Jamie McCracken <jamiemcc blueyonder co uk>]

Alexander Larsson wrote:

> > If we are going to have multiple sessions on dodgy NFS mapped home dirs 
> > then my DDS should also optionally allow use of the non-embedded mysql 
> > daemon for those cases (the admins will need to set up mysql user 
> > accounts for each user in that case).
>
>
> Requiring such a setup is pretty demanding, for the conceptually trivial
> thing of having two personal desktop machines. We all know this won't
> happen at most places.

Well the only other thing I can think of is to use external lock files 
which are opened with O_CREAT and O_EXCL to serialise access in a 
multisession environment. Will that be atomic on NFS?

--
Mr Jamie McCracken
http://www.advogato.org/person/jamiemcc/