Date: Fri, 2 Nov 2007 18:51:05 +0100 From: Thierry Herbelot <thierry@herbelot.com> To: Pawel Jakub Dawidek <pjd@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: regression with gmirror, Promise SATA and 7.0 ? Message-ID: <200711021851.07043.thierry@herbelot.com> In-Reply-To: <20071102095206.GB24455@garage.freebsd.pl> References: <200711011509.46094.thierry@herbelot.com> <20071102095206.GB24455@garage.freebsd.pl>
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Le Friday 02 November 2007, Pawel Jakub Dawidek a écrit : > > Thus, it seems that the combination of this Promise controller and the > > SATA disks has issues (there was a thread about Promise controllers and > > ZFS, but with no clear conclusion). > > Just to clarify. There is no regression in gmirror. This is ATA > problem/bug, which was reported so many times already. agreed (as I said initially : the Promise+SATA combination seems suspicious) > > > PS : I was also burnt by the forced conversion of gmirror metadata from > > v3 to v4, which makes it tricky to backtrack to 6.x, once a 7.x kernel + > > gmirror has been booted once. > > I'm not happy with with metadata auto-upgrade, but it just makes things > so much easier. You can always boot your 6.x to single-user mode using > disk directly (it should not change anything on disk) and just run > 'gmirror label' again. This is exactly what I did after remembering that initial "providers" are still bootable (I could also have prepared a non-gmirrored install for Releng_7, but this was not mentioned in UPDATING) Thanks for your good work TfH
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