zfs discuss - Sep 2010 - Disk on Module (DOM) for NAS boot drive?

I have a file server that I''ve basically maxed out the drive bays for.
At the moment, I''m running Nexenta on an SSD that is sort of resting on
something else in the case. I was wondering if, instead, I could install Nexenta
on a SATA Disk on Module (DOM), say something like 4 GB, dual channel, SLC:

http://www.kingspec.com/solid-state-disk-products/series-domsata.htm

I did try with a USB memory stick, but it was slow. And my previous installation
of EON on a memory stick got corrupted and I lost everything (not the data, but
the configuration). Has anyone gotten this to work before (for Nexenta, EON,
etc.)? Any suggestions or advice? And how much space does a plain-vanilla
installation of Nexenta actually require?

Thanks!
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