On Thu, Apr 22, 2010 at 03:50:11PM -0700, John R Pierce wrote: > Ray Van Dolson wrote: > >> I think what you want is a proper storage array with mirrored write > >> cache. > >> > > > > Which is what we have with ZFS + SSD-based ZIL for far less money than > > a NetApp. > > > > not unless you have a pair of them configured as an active/standby HA > cluster, sharing dual port disk storage, and some how (magic?) mirroring > the cache pool so that if the active storage controller/server fails, > the standby can take over wthout losing a single write. This is definitely tangental to what I was originally asking. :) I'm not suggesting this perfectly replaces (or even comes close) a clustered NetApp setup. But it can provide similiar NFS write performance and I can buy three of them and replicate data for DR needs for far less than the price of a NetApp SnapMirror setup. Ray