[SAC] [support.osuosl.org #30704] OSGeo Server Parts Order

[Lance Albertson via RT]

On Sat Aug 17 12:21:38 2019, ramereth wrote:
> On Fri Aug 16 17:09:30 2019, michael.smith.erdc at gmail.com wrote:
> > ZFS on Ubuntu 18 is just  sudo apt install zfsutils-linux
> >
> > >> We finally got the parts in the machines. How would you like the disks to
> > >> be configured in the HW RAID? RAID5, RAID6? RAID10? Also, I'd
> > > imagine you
> > >> want this machine to be moved onto a public network? Do you want us to
> > >> install the OS, and if so what?
> > >>
> > >> Thanks-
> > >
> > > Hmm, we plan to run Ubuntu 18.04 with ZFS so that we can easily do lxd
> > > containers. Last I checked installing ZFS during install was kind of
> > > annoying, so maybe a small slice off one drive as ext4 for the OS and the
> > > rest ZFS post install. In which case the "Raiding" would be done via ZFS
> > > in software?
> > >
> > > I'll let someone chime in if that doesn't sound right.
> 
> So it sounds like you want the server setup with a JBOD (just a bunch of
> disks) effectively making each disk visible for ZFS and no HW RAID.
> Unfortunately, the disk controllers technically don't support JBOD, however we
> can work around it by setting up each disk as a RAID0 device. This is what we
> do our Ceph storage nodes and it works quite nicely. It also allows the disks
> to use the HW RAID cache.
> 
> Do you want me to attempt to do a rootfs on ZFS or try and keep it simple and
> just do a RAID1 with the first partition on two or more drives, and leave the
> rest of the drives for ZFS?

Re-ping ^

-- 
Lance Albertson
Director
Oregon State University | Open Source Lab