Date: Tue, 6 Jan 2015 23:11:15 +0800 From: Fervent Dissent <walkerindarkness@gmail.com> To: jg@internetx.com Cc: freebsd-fs@freebsd.org Subject: Re: zfs corruption after controller failure Message-ID: <CALpPS7N-YUhJZUXaeJPY4aks%2Bb_D1oLZ11%2BHxfHt2pnmJicaQw@mail.gmail.com> In-Reply-To: <54ABFA82.2070401@internetx.com> References: <CALpPS7NiHJQ09KmitupYyixRYbPtdvVbVRCOPAqXUtqmSd4BVw@mail.gmail.com> <20FB5F2C-65D2-4F33-8D45-DD7FC34A5E2E@ultra-secure.de> <CALpPS7MObKeFPFYL7dMiGcKG40tFmJELCo782rWPO8wqcGtwmw@mail.gmail.com> <54ABFA82.2070401@internetx.com>
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I tried these, and some variations of them, and it gave the error the pool does not exist. zpool import -N -o readonly=3Don -f -R /pool <pool> zpool import -N -o readonly=3Don -f -R /pool -F -T <transaction_id> <pool> On Tue, Jan 6, 2015 at 11:08 PM, InterNetX - Juergen Gotteswinter < jg@internetx.com> wrote: > > external usb drive (for sure cheap consumer desktop one) > > cheap (maybe even buggy) usb controller > > non-mirrored / raidz > > probably cheap hardware at all (no ecc, like rainer mentioned for > example) > > what do you expect. zfs is very tolerant, but some basics should be > taken care of... > > but even with a single disk it should be possible to recover / import > the pool at least read only > > > > Am 06.01.2015 um 16:06 schrieb Fervent Dissent: > > I've had power lose before and a previous bad controller cause multiple > > problems. The drive would disappear or go offline. I would clear it and > go > > on no problem. This is the first failure that I have not been able to > > recover from. > > > > On Tue, Jan 6, 2015 at 11:01 PM, Rainer Duffner <rainer@ultra-secure.de= > > > wrote: > > > >> > >>> Am 06.01.2015 um 15:58 schrieb Fervent Dissent < > >> walkerindarkness@gmail.com>: > >>> > >>> I have a external disk that was on a cheap usb controller, that > >> controller > >>> died. > >> > >> > >> Maybe I=E2=80=99m mistaken, but I though that if your pool only has a = single > disk > >> and that disk/pool shows errors or becomes unreadable/corrupted/whatev= er > >> you cannot recover it. > >> > >> Same for not using ECC memory=E2=80=A6 > >> > >> > >> > >> > > _______________________________________________ > > freebsd-fs@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > > >
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