From owner-freebsd-fs@FreeBSD.ORG  Wed Jun 24 08:42:36 2009
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Date: Wed, 24 Jun 2009 13:14:43 +0500
From: rihad <rihad@mail.ru>
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Subject: Is it preferable to use the sync command?
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Hi, all,

Having experienced a FreeBSD 5.1 crash due to power failure (despite 
using a UPS) resulting in massive /etc corruption and data loss, in 
order to minimize future risks should I:

0) tweak (decrease) these default sysctls:
kern.filedelay: 30
kern.dirdelay: 29
kern.metadelay: 28

1) mount the root FS with soft-updates enabled (left as disabled in 
sysinstall by default due to known reasons)

2) setup a cron job calling /bin/sync every minute

I somehow feel that turning soft-updates on would do the trick (it is 
not normally written to and has plenty of free space anyway).


Thanks in advance for any educated tips.