On Fri, May 07, 2021 at 09:48:07AM -0700, Freddie Cash wrote: > On Fri, May 7, 2021 at 5:49 AM Yasuhiro Kimura <y...@utahime.org> wrote: > > > Does anyone succeed to install 13.0-RELEASE i386 with ZFS root? > > > > I tried this with VirtualBox and VMware Player on Windows with > > following VM condition. > > > > * 4 CPUs > > * 8GB memory > > * 100GB disk > > * Bridge mode NIC > > > > But in both cases, VM gets high CPU load and hangs up after I moved > > to 'YES' at 'ZFS Configuration' menu and type return key. > > > > If I select UFS root installation completes successfully. So the > > problem is specific to ZFS root. > > > > Running ZFS on 32-bit OSes is doable (although not recommended) but > requires a lot of manual configuration and tweaking, especially around > kernel memory and ARC usage. > > You're limited to 4 GB of memory space, so you need to tune the ARC to use > less than that. The auto-tuning has improved a lot over the years, but you > still need to limit the ARC size to around 2 GB (or less) to keep the > system stable. KVA memory space tuning shouldn't be needed anymore, but > you can do research into that, just in case. > > You can compile a custom kernel to enable PAE support, that will sometimes > help with memory issues on i386 (and will allow you to use more than 4 GB > of system RAM, although individual processes are still limited to 4 GB). i386 kernel uses memory up to 24G since 13.0.
PAE only means that devices that can access full 64bit address are allowed to avoid dma bouncing. > > If you really need to, you can make ZFS work on i386. If at all possible, > though, you really should run it on amd64 instead. > > -- > Freddie Cash > fjwc...@gmail.com > _______________________________________________ > freebsd-stable@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org" _______________________________________________ freebsd-stable@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
