On Sun, Feb 8, 2009 at 22:12, Vincent Fox <vincent_b_...@yahoo.com> wrote: > Thanks I think I get it now. > > Do you think having log on a 15K RPM drive with the main pool composed of 10K > RPM drives will show worthwhile improvements? Or am I chasing a few > percentage points? > > I don't have money for new hardware & SSD. Just recycling some old > components here are and there are a few 15K RPM drives on the shelf I thought > I could throw strategically into the mix. > > Application will likely be NFS serving. Might use same setup for a > list-serve system which does have local storage for archived emails etc.
The 3310 has battery backed write cache, that is faster than any disk. You might get more from the cache if you use it only for the log. The RPM of the disks used for the log is not important when you have a RAM write cache in front of the disk. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
