Date: Fri, 18 Aug 2006 12:23:03 -0400 From: Vivek Khera <vivek@khera.org> To: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Q about gmirror's "metadata sector" Message-ID: <24C86986-97D5-4A59-B97F-88D2304A535D@khera.org> In-Reply-To: <9AF3223C-0B0A-4CFE-8001-C0854C2AE55D@stromnet.org> References: <9AF3223C-0B0A-4CFE-8001-C0854C2AE55D@stromnet.org>
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--Apple-Mail-7--630159524 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed On Aug 18, 2006, at 3:29 AM, Johan Str=F6m wrote: > If i've understood correctly gmirror uses the last sector on the =20 > provider for a metadata. > If one uses http://www.onlamp.com/pub/a/bsd/2005/11/10/=20 > FreeBSD_Basics.html to setup a gmirror'ed system, that is haveing a =20= > fully used disk > where the last sector is used (right?) and converting it to a =20 > gmirror, this will overwrite whatever is on the last sector, right? > This will probably not be overwritten on a non-full fs, but if the =20 > fs gets full later, is there any risk that this sector get's =20 > overwritten? Does one have to shrink the fs/slice manually or =20 > something to make sure this does not happend? take a look at your fdisk output and see if the last few hundred =20 sectors of your disk are used at all by any file system. I doubt =20 they are. --Apple-Mail-7--630159524--
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