Date: Sun, 12 Apr 2020 18:38:10 +0200 From: Stefan Bethke <stb@lassitu.de> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: make kernel ignore broken SATA disk Message-ID: <D67DEF55-9E1B-4499-9455-E1474F5CFC26@lassitu.de> In-Reply-To: <20200412163104.GI8012@zxy.spb.ru> References: <A33629CA-63EC-45AA-AB06-09B003BBB0A6@lassitu.de> <20200412154319.GO8028@zxy.spb.ru> <9D60946A-6D81-444B-B6D0-36202B3BE5C6@lassitu.de> <20200412163104.GI8012@zxy.spb.ru>
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[-- Attachment #1 --] > Am 12.04.2020 um 18:31 schrieb Slawa Olhovchenkov <slw@zxy.spb.ru>: > > On Sun, Apr 12, 2020 at 06:24:09PM +0200, Stefan Bethke wrote: > >> Am 12.04.2020 um 17:43 schrieb Slawa Olhovchenkov <slw@zxy.spb.ru>: >>> >>> On Sun, Apr 12, 2020 at 04:37:06PM +0200, Stefan Bethke wrote: >>> >>>> I have a server I don't have physical access to right now, which has a broken SATA disk that produces mostly errors (but not entirely). >>>> >>>> The disk has two partitions that are part of a zpool each. I can't bring the system up with this disk being online, because ZFS is trying its darndest to use it. >>>> >>>> I already renamed the GPT partitions in the hope that ZFS would not find them anymore, but it does. >>>> >>>> I can't gpart destroy -f ada1 because "device busy". >>>> >>>> Is there a way, ideally in the loader, to tell the kernel to ignore ada1 and/or ahcich5? Or can I force ZFS some other way to ignore the disk? I do have a spare disk I can use to replace the failed one, but I can't get the machine into a state where I could even issue the zpool replace command. >>> >>> `zpool offline pool device` if you have enoght redundancy? >> >> I do, but the command doesn't return. Instead, I'm getting loads of sata error message. > > What you zpool configuration? This is from the working system. The identifiers are slightly different, but the structure is identical. # zpool status pool: data state: ONLINE status: Some supported features are not enabled on the pool. The pool can still be used, but some features are unavailable. action: Enable all features using 'zpool upgrade'. Once this is done, the pool may no longer be accessible by software that does not support the features. See zpool-features(7) for details. scan: resilvered 176K in 0 days 00:01:28 with 0 errors on Sun May 26 21:24:54 2019 config: NAME STATE READ WRITE CKSUM data ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/ls0data ONLINE 0 0 0 gpt/ls1data ONLINE 0 0 0 logs gpt/data0log ONLINE 0 0 0 cache gpt/data0cache ONLINE 0 0 0 errors: No known data errors pool: ls-host state: ONLINE status: Some supported features are not enabled on the pool. The pool can still be used, but some features are unavailable. action: Enable all features using 'zpool upgrade'. Once this is done, the pool may no longer be accessible by software that does not support the features. See zpool-features(7) for details. scan: scrub repaired 0 in 0 days 00:06:33 with 0 errors on Sun Apr 12 11:46:25 2020 config: NAME STATE READ WRITE CKSUM ls-host ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 gpt/ls0host ONLINE 0 0 0 gpt/ls1host ONLINE 0 0 0 logs gpt/host0log ONLINE 0 0 0 cache gpt/host0cache ONLINE 0 0 0 errors: No known data errors -- Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQEzBAEBCgAdFiEEJ+hF98o4r3eU/HiPD885WK4W4sEFAl6TQ/IACgkQD885WK4W 4sGJvwgApdeUd8d1h4Xvur4rPeCQmhD02CXvPZml6x6nlBK5fF3hjd1gk3sdTIru yVehvZQft7Jxwj1GvN2foVqvvWkuCTb/2Ye3HmdL8XFE1uBmSaQ1AgljaslnVHC1 jlU09JlDvAAhwSkmFht0DmqA0gYuxwIjVnrfaEIHYGh/O4oMeUmbvacQYcKiFlkf deDTAR24ziUNtdgSeTx5d0GxnJ65h9XcTY9IMVT261TSk519Icykyfq1cVhvjeDj Kii1ytZ4rrJdLIQ1j65Pvib4gfo1DnATwTlHpasfxWt4aG6Ov7ZxJCDxMRemKYBB JzpvM1RBdAw6qmtMM1uTxZcCcrJxXg== =NFVA -----END PGP SIGNATURE-----help
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