On 2006-08-03, Hansjörg Maurer <Hansjoerg.Maurer@xxxxxx> wrote: > > we had some problems with cyrus-imap on top of gpfs a year ago > concerning mmap files in a simple failover environment. > (see the gpfs-mailinglist) > But with recent versions it works. Yes, I remember your posting.. and AFAICT you solved it by turning off mmap in Cyrus. https://lists.sdsc.edu/mailman/private.cgi/gpfs-general/2005q4/000040.html Did you consider GFS for this project ? Or are you now looking at GFS for the same project ? We're using courier-imap, which as far as I can tell doesn't use mmap, so we shouldn't hit this problem. Otherwise there is always the mmap-invalidate patch that should solve this... -jf -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster