Greg Mason wrote: > So, what we're looking for is a way to improve performance, without > disabling the ZIL, as it's my understanding that disabling the ZIL isn't > exactly a safe thing to do. > > We're looking for the best way to improve performance, without > sacrificing too much of the safety of the data. > > 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?
Good idea. Thor has a CF slot, too, if you can find a high speed CF card. -- richard > -Greg > > On Jan 19, 2009, at 6:24 PM, Richard Elling wrote: >>> >>> We took a rough stab in the dark, and started to examine whether or >>> not it was the ZIL. >> >> It is. I've recently added some clarification to this section in the >> Evil Tuning Guide which might help you to arrive at a better solution. >> http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Disabling_the_ZIL_.28Don.27t.29 >> >> >> Feedback is welcome. >> -- richard > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
