I could not find good comparison between OmniOS and SmartOS (or OpenIndiana). So what are pros to use OmniOS than SmartOS?(As some people are nitpickers I had to make the question like this. But I would like to know pros/cons...)
What are pros to use OmniOS than SmartOS or OpenIndiana?
openindiana;illumos;omnios
OmniOS looks like normal system, SmartOS is more livecd-like systemI've considered using OmniOS to let me do more things in the global  zone (configuring CIFS was quite annoying!) but that's too much work  and downtime for me right now. If I had to start over I might start  there.unhappy_mage, 2013-04-24in: SmartOS all-in-one? - [H]ard|ForumSource: http://hardforum.com/showthread.php?p=1039840231SmartOS is an extremely lean version of illumos, and it is not  intended to occupy space on the filesystem. Rather it boots from a  <2Gb image,either USB key, PXE network boot, or CDR image, and  occupies space in RAM.  The OS is kept off the filesystem to simplify  upgrades - attach a new image and reboot. [...] One does not use the  root system to work on the machine, only to configure and install  Zones from which work is done. [...] If you prefer an illumOS  distribution presents itself more like a CentOS server, you can try  OmniOS.Christopher Hogue, 2013-03-24in: Why SmartOS in my lab? - SmartOSSource: http://smartos.blueprint.org/home/why-smartos-in-my-lab