On Thu 01 May 2008 at 11:54PM, Steffen Weiberle wrote:
> Something to ponder as I watch the insides of my eye lids tonight. I did
> not know that whole root zones work and sparse do not, as I only create
> sparse zones to save space, and that fails even on RC3.
Another doc issue, I suppose. Technically zones on 2008.05 are branded
(ipkg) and branded zones don't support sparse roots, but... it's
certainly not obvious.
> Since zonepath on ZFS is supported in Nevada and OpenSolaris, the price
> of whole root is smaller if, which I will, I clone. Smaller as I create
> lots of zones, that is. The initial zone will consume a lot of disk
> space (relative to sparse zones). [1]
>
> My unknown is the unexpected increase in zone size due to copy on write
> of the clone as different zones diverge from the snapshot.
Keep in mind in your ponderings that zones are likely to be smaller in
general-- whereas today, a (whole root) zone typically has, roughly speaking,
the same contents as the global zone-- often 2 or more GB.
With pkg(5), a non-global zone is about 200MB at present (although that
could change, hopefully they'll get smaller)-- since it's so much easier
to add packages, I figure it's easier to start minimalist and let people
build up. How to decide "what's in" versus "what's out" of the default
zone installation is an open question.
-dp
--
Daniel Price - Solaris Kernel Engineering - [EMAIL PROTECTED] - blogs.sun.com/dp
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