On Mon, 19 Jan 2009, Greg Mason wrote: > The current solution we are considering is disabling the cache > flushing (as per a previous response in this thread), and adding one > or two SSD log devices, as this is similar to the Sun storage > appliances based on the Thor. Thoughts?
You need to add some sort of fast non-volatile cache. The Sun storage appliances are actually using battery backed DRAM for their write caches. This sort of hardware is quite rare. Fast SSD log devices are apparently pretty expensive. Some of the ones for sale are actually pretty slow. Bob ====================================== Bob Friesenhahn bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss