On Thu, 2008-06-05 at 23:04 +0300, Cyril Plisko wrote:
> 1. Are there any reasons to *not* enable compression by default ?
Not exactly an answer:
Most of the systems I'm running today on ZFS root have compression=on
and copies=2 for rpool/ROOT
> 2. How can I do it ? (I think I can run "zfs set compression=on
> rpool/ROOT/snv_90" in the other window, right after the installation
> begins, but I would like less hacky way.)
what I did was to migrate via live upgrade, creating the pool and the
pool/ROOT filesystem myself, tweaking both copies and compression on
pool/ROOT before using lucreate.
I haven't tried this on a fresh install yet.
after install, I'd think you could play games with zfs send | zfs
receive on an inactive BE to rewrite everything with the desired
attributes (more important for copies than compression).
- Bill
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