geli resilience to power outages
Norberto Meijome
freebsd at meijome.net
Mon May 29 06:15:39 PDT 2006
On Mon, 29 May 2006 14:43:46 +0300
"Iantcho Vassilev" <ianchov at gmail.com> wrote:
> DO someone know if and how GELI is resilience to power outages?
>
> Does the box is still encrypted? After reboot what would happen to fcsk?
Hi Iantcho ,
I dont know for a fact the effect with a power outage, but I use it quite a lot
on laptops (which a) freeze sometimes out of nowhere , and b) sometimes dont
resume properly,). In both situations, I've usually had geli mounted disks (1
x 6 GB, 1 x 500 MB) running when the events happened. ( as well as a 4 GB swap
which is also GELI backed)
They (touch wood) haven't suffered data loss. /usr and /var seem be more
affected by this ungraceful shutdowns than the .eli devices.
I suppose it's all cool thanks to soft-updates, and the fact that GELI encrypts
on a per block basis (yeah, no more pgp-busted disks like in Windows :) ).
good luck,
Beto
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