Date: Mon, 23 Feb 2004 19:54:04 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: Stephen Liu <satimis@icare.com.hk> Cc: freebsd-questions@freebsd.org Subject: Re: [FAQ pointer] Re: How to start single user mode or safe mode Message-ID: <20040223195404.GA26099@happy-idiot-talk.infracaninophile.co.uk> In-Reply-To: <403A56BB.8080609@icare.com.hk> References: <403A1311.6000703@icare.com.hk> <44smh125t3.fsf@be-well.ilk.org> <403A56BB.8080609@icare.com.hk>
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On Tue, Feb 24, 2004 at 03:38:35AM +0800, Stephen Liu wrote:
This one is fine...
> # fsck /dev/ad4s1a (I suppose boot)
but these two aren't:
> # fsck /dev/ad4s1b (I suppose swap)
> # fsck /dev/ad4s1c (I suppose /)
You can only run fsck(8) on partitions containing filesystems. The
'b' partition is usually a swap area, which doesn't use any sort of
filesystem at all. The 'c' partition usually maps to the whole slice
-- that is, it overlaps all of the actual partitions you're using for
your file systems. You very rarely need to access the 'c' partition
specifically -- commands that affect the whole slice nowadays tend to
take ad4s1 or the equivalent as an argument.
Your /var and /usr partitions probably live on partitions 'e' and 'f'
-- possibly 'g' or 'h' as well if you have any other
partitions. disklabel(8) will show you what partitions have been
allocated.
Cheers,
Matthew
--=20
Dr Matthew J Seaman MA, D.Phil. 26 The Paddocks
Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey Marlow
Tel: +44 1628 476614 Bucks., SL7 1TH UK
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