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Date:      Tue, 12 Dec 2017 12:54:05 -0600
From:      Adam Vande More <>
Cc:        Polytropon <>, FreeBSD Questions <>
Subject:   Re: Subject: Thunderbird causing system crash, need guidance
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <> <> <>

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On Tue, Dec 12, 2017 at 12:30 PM, Gary Aitken <>

> The ordering part I understand; what I don't understand is why it (as I
> recall) rebooted successfully with no warnings in spite of the
> background_fsck="NO" being set and when one of the disks apparently
> didn't fsck properly.  I thought it should have halted in single-user
> mode and waited for me to do a full fsck manually.

That happens if the preen fails.  See the man page I pointed you to.  There
are cases where it can miss things.  You can set:


If you want it to handle a failed preen automatically.

I don't think background fsck presence or lack of had much to do with
this.  It is a popular whipping boy.

A regular foreground fsck may not be a bad idea if your system is prone
disk errors or hard crashes.  Perhaps sysutils/diskcheckd or a periodic
entry, but under *normal* circumstances such things are not needed.

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