Date: Tue, 30 Mar 2010 12:26:00 +0100 From: krad <kraduk@googlemail.com> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: freebsd-questions@freebsd.org, =?KOI8-R?B?5M3J1NLJyiDixcjUxdLF1w==?= <dbehterev@gmail.com> Subject: Re: Create GMIRROR only one slice Message-ID: <d36406631003300426q1d85d211ud6d6b80c764ea5a7@mail.gmail.com> In-Reply-To: <4BB1A290.2090802@infracaninophile.co.uk> References: <7aaa60421003250703hf24d3c1icae624982210c094@mail.gmail.com> <7aaa60421003291119s53e21ff6reb2b39e0690b65c3@mail.gmail.com> <d36406631003291310x15025173l5cb34e7aee9371ba@mail.gmail.com> <4BB1A290.2090802@infracaninophile.co.uk>
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2010/3/30 Matthew Seaman <m.seaman@infracaninophile.co.uk> > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 29/03/2010 21:10:42, krad wrote: > > You will need to newfs the gmirror device > > after that so backup the data currently on /, then copy it back > afterwards. > > This is counter to all my experience of dealing with gmirror -- it's > carefully designed so that the metadata it writes to the drive > *doesn't* interfere with the filesystem. While it is always a good > idea to have backups, I do not believe that destroying and recreating > the filesystem should be necessary. > > Cheers, > > Matthew > > - -- > Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard > Flat 3 > PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate > Kent, CT11 9PW > -----BEGIN PGP SIGNATURE----- > Version: GnuPG/MacGPG2 v2.0.14 (Darwin) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAkuxopAACgkQ8Mjk52CukIxvZwCaAgTijPzbHoL5whM6F3GQax2N > eN4An3/HZSRgUml7jy+IpYRyK0rEfGRr > =e+4T > -----END PGP SIGNATURE----- > Im pretty sure that it will nick the last sector from the slice, so you will at least need to fsck it. If its a production system i would always go for the cleaner approach as well and newfs is about as clean as it gets.
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