Tony: > Now to another question related to Anton's post. You mention that > directIO does not exist in ZFS at this point. Are their plan's to > support DirectIO; any functionality that will simulate directIO or > some other non-caching ability suitable for critical systems such as > databases if the client still wanted to deploy on filesystems.
I would describe DirectIO as the ability to map the application's buffers directly for disk DMAs. You need to disable the filesystem's cache to do this correctly. Having the cache disabled is an implementation requirement for this feature. Based upon this definition, are you seeking the ability to disable the filesystem's cache or the ability to directly map application buffers for DMA? -j _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
