Date: Tue, 6 Nov 2018 15:05:02 +0100 From: Philipp Vlassakakis <freebsd-en@lists.vlassakakis.de> To: Alejandro Imass <aimass@yabarana.com> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: ZFS re attaching failed device to pool Message-ID: <4C7379FD-8646-4246-9CD0-AC3B281B32C9@lists.vlassakakis.de> In-Reply-To: <CAHieY7R%2BCNNzPQwCGJW8ugy266EXXBZmF1EPs2gvacJ3=56eiA@mail.gmail.com> References: <CAHieY7RP9hjZ8TDqz8PFNoeo2gVY5%2BA2icA288mmvh__e1j5XA@mail.gmail.com> <CAHieY7R%2BCNNzPQwCGJW8ugy266EXXBZmF1EPs2gvacJ3=56eiA@mail.gmail.com>
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Hi Alex, Did you try „zpool online zroot NAME-OF-DEGRADED-DISK“ and „zpool zroot clear“ ? Regards, Philipp > On 6. Nov 2018, at 14:53, Alejandro Imass <aimass@yabarana.com> wrote: > >> On Tue, Nov 6, 2018 at 8:50 AM Alejandro Imass <aimass@yabarana.com> wrote: >> >> Dear Beasties, >> >> I have a simple 2 disk pool and one disk started failing and zfs put it in >> a UNAVAIL status. I shut down the server and took it apart, cleaned it and >> removed a third device that was on Sata Port C which I think may have been >> the culprit of the bus fault. This third disk was unrelated to the pool and >> was an older disk which just had some backup data and was running on an old >> enclosure with the SATA wires hanging out, etc. you know, those 5 minute >> hacks that you forget about.. >> >> After rebooting, the BIOS saw the failed device and the system booted >> fine. I ran a smartctl long test on the failed device which took like 7 >> hours and the report shows no errors and the device is like new. >> >> So now I want to tell ZFS to re-attach the device but the documentation is >> not too clear about this. All the docs, and example I find is physically >> replacing with another device, not the same one. >> >> My question is almost identical to this one which has not been answered >> either: >> >> >> https://forums.freebsd.org/threads/re-attaching-failed-device-to-pool.66027/ >> >> So: can I re-attach by running the replace command on the SAME device? I >> haven't tried it, but from the question above it seems that it won't let >> me. Besides I don't want to screw up so if anyone has done this before pls. >> advise how to proceed in these cases. >> >> TIA! >> -- >> Alex >> >> >> > I forgot to mention I ran zpool clear zroot and it ran the scrub but did > not put the disk back ONLINE. Here is the result: > > root@poseidon:~ # zpool status -v > pool: zroot > state: DEGRADED > status: One or more devices could not be used because the label is missing > or > invalid. Sufficient replicas exist for the pool to continue > functioning in a degraded state. > action: Replace the device using 'zpool replace'. > see: http://illumos.org/msg/ZFS-8000-4J > scan: scrub repaired 0 in 0h8m with 0 errors on Tue Nov 6 05:27:20 2018 > config: > > NAME STATE READ WRITE CKSUM > zroot DEGRADED 0 0 0 > mirror-0 DEGRADED 0 0 0 > 5540674508897617692 UNAVAIL 0 0 0 was > /dev/diskid/DISK-WD-WCC4N6XZY8C2 > diskid/DISK-WD-WCC4N2YTRX40p3 ONLINE 0 0 0 > > errors: No known data errors > > Again, TIA for any pointers on how to re-attach the failed disk. > > -- > Alex > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
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