On 10/ 2/09 10:12 AM, I wrote:

But of course deleting old BEs may make your system un-upgradable.
http://defect.opensolaris.org/bz/show_bug.cgi?id=10807
http://defect.opensolaris.org/bz/show_bug.cgi?id=11221

Just did (yet another) upgrade, from snv111b to snv124 this time,
because of 10807. Was very careful to make sure that there were no
snapshots,, that /var/pkg/download was empty,  and specifically did

# pkg set-property flush-content-cache-on-success true

Held breath and did beadm delete of old BE, and all snapshots.
Guess what - /var/pkg/download was still full of gigabytes of stuff.
Is this a bug or a feature?

FWIW sxce snv123 install has an option in text mode to make /var a
separate dataset. If you use this option you only save around 0.5GB,
but it probably would help with OpenSolaris since the baseline is
otherwise too large to be upgradable in 16GB unless you can be sure
/var/pkg/download is on a different pool. Suggesting it here in case
someone actually wants to try to upgrade on a 16GB boot disk.

Interestingly a full sxce install* of snv123 seems to take around 7.5GB
and a default upgraded  OpenSolaris snv124 takes 9.3GB (which cannot
be futher upgraded with a 16GB boot disk unless you move /var), all
things being equal (no snapshots, no swap, no /var/dump, one BE, and
no var/pkg/download).

HTH -- Frank

* this includes Firefox, Thunderbird, Star Office 9, etc.





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