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Date: Thu, 26 Oct 2006 16:42:16 +0300 (EEST)
From: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua>
To: Andrew Reilly <andrew-freebsd@areilly.bpc-users.org>
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Cc: Randy Bush <randy@psg.com>, Robert Watson <rwatson@freebsd.org>,
	Doug Barton <dougb@freebsd.org>,
	FreeBSD Stable <freebsd-stable@freebsd.org>
Subject: Re: 5 to 6
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Hello!

On Thu, 26 Oct 2006, Andrew Reilly wrote:
> How would I be able to tell?  tunefs -p lists ACLs and MAC

root@test# dumpfs /|head -1
magic   11954 (UFS1)    time    Thu Oct 26 17:53:53 2006

Yes, this is for RELENG_4 compatibility.

> multlabel and soft updates, but of those only soft updates is
> enabled, so I don't know if that is conclusive.  Did UFS2 give
> us anything beyond ACLs and largeness?  bsdlabel, mount and df
> don't seem to give any particular indication...

   I've found file creation time (UFS2-only recent addition, see e.g. ls -U) 
_very_ useful. It always made me wonder why UNIX doesn't support such a
basic and useful functionality (all DEC's ODS-* filesystems support it IIRC).
Now I can e.g. issue 'ls -lU /var/db/pkg' and this will show when each package
was _installed_ (and not _modified_ as plain 'ls -l' shows). For UFS1 ls -lU
always gives "Jan  1  1970" ;)

Sincerely, Dmitry
-- 
Atlantis ISP, System Administrator
e-mail:  dmitry@atlantis.dp.ua
nic-hdl: LYNX-RIPE