On Jan 19, 2012, at 9:09 PM, Jan Owoc <jso...@gmail.com> wrote:
> Hi Len, > > > I'm just starting with OpenIndiana, but I can try to answer two of > your questions. > > > On Thu, Jan 19, 2012 at 2:24 PM, Len Zaifman <leona...@sickkids.ca> wrote: >> 2) Running a file service with ~ 36 disks in three 11 disk (9+2) raidz2 >> vdevs + hotspares, almost all data will be copied from another fileserver >> into compressed directories on each of these 2 devices. >> IS OpenINdiana 151a stable enough to do this with potentially .5-1 TB/day >> being downloaded? > > From what I have read, oi151a isn't inherently unstable in the same > sense that Debian Sid is unstable. To assess the "stability" for your > needs, I would take a look at the known issues in the release notes > [1] and potentially the list of open issues [2]. > > [1] http://wiki.openindiana.org/oi/oi_151a+Release+Notes > [2] https://www.illumos.org/projects/openindiana/issues > Take a look at the prestable release as well. This is right around the corner. [3] http://wiki.openindiana.org/oi/oi_151a_prestable0+Release+Notes > > >> 3) Any recommendations (keeping in mind we are going to use gzip compressed >> file systems) for number/speed of cores and ram??? > > Gzip compression, while fast, will likely saturate any CPU before the > HDDs get saturated. With current Xeons/Opterons, you can expect to > saturate Fast Ethernet, but not Gigabit Ethernet, on writes. > Decompressing (for reads) is generally an order of magnitude faster. > > For memory, the more the better. No less than 4GB. If using > deduplication, ~2GB/TB of unique file data [3]. > > [3] http://blogs.oracle.com/roch/entry/dedup_performance_considerations1 > > >> We run commercial (solaris) ZFS systems and are happy with them. > > To better answer question 3, you could look at the specs on your > production Solaris ZFS system - OI's implementation of ZFS should be > very similar, and you can expect similar performance. > > > Jan > > _______________________________________________ > OpenIndiana-discuss mailing list > OpenIndiana-discuss@openindiana.org > http://openindiana.org/mailman/listinfo/openindiana-discuss _______________________________________________ OpenIndiana-discuss mailing list OpenIndiana-discuss@openindiana.org http://openindiana.org/mailman/listinfo/openindiana-discuss
