Orvar Korvar wrote: > I understand Fishworks has a L2ARC cache, which as I have understood it, is a > SSD drive as a cache? >
Fishworks is an engineering team, I hear they have many L2ARCs in their lab :-) Yes, the Sun Storage 7000 series systems can have read-optimized SSDs for use as L2ARC devices. > I have 5 terabyte discs in a raidz1. Could I add one SSD drive in a similar > vein? Yes. You should look for a read-optimized SSD, for best performance gains. > Would it be easy to do? Yes. > What would be the impact? It depends on the workload. In general, it helps workloads which do random reads, perhaps by 10x or more. > Has anyone tried this? > Yes. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss