Orvar, In an existing RAIDZ configuration, you would add the cache device like this:
# zpool add pool-name cache device-name Currently, cache devices are only supported in the OpenSolaris and SXCE releases. The important thing is determining whether the cache device would improve your workload's performance, following Richard's advice. Can you try and buy an SSD? :-) Cindy Mark J Musante wrote: > On Wed, 28 Jan 2009, Richard Elling wrote: > > >>Orvar Korvar wrote: >> >> >>>I have 5 terabyte discs in a raidz1. Could I add one SSD drive in a >>>similar vein? Would it be easy to do? >> >>Yes. >> > > > To be specific, you use the 'cache' argument to zpool, as in: > > zpool create <pool> <...> cache <cache-device> > > > Regards, > markm > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss