Date: Sun, 07 Jan 2024 18:15:47 -0600 From: Larry Rosenman <ler@lerctr.org> To: lev@freebsd.org Cc: Warner Losh <imp@bsdimp.com>, freebsd-fs <freebsd-fs@freebsd.org>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: FreeBSD 13.2-STABLE can not boot from damaged mirror AND pool stuck in "resilver" state even without new devices. Message-ID: <30315c170f7146a5e1a05e4a2eff3d1b@lerctr.org> In-Reply-To: <962b242d-546f-46ce-9eb2-9bd2a10f4608@FreeBSD.org> References: <f97d80ee-0b01-4d68-beb5-53e905f0404c@FreeBSD.org> <e74464be-09b6-43e2-9365-7b0271b2d6eb@FreeBSD.org> <cc136316-f285-41bd-8d59-c5adce06e277@quip.cz> <065f4f5c-f38b-45f4-b7e7-5248f871f7e6@FreeBSD.org> <CANCZdfrYCk7%2B6wCALvszmNZOcZeDxxNp%2Bk5PyH%2BTGJZ%2BovsU=Q@mail.gmail.com> <d11ffb2e-0ee8-4c20-b5d9-5ea63463adba@FreeBSD.org> <2f91eeb7-430b-49e2-817b-5acd0f445fe9@FreeBSD.org> <CANCZdfrV7ROiQD-UGAbgydKbYE7jiM_9t9c6n8F79hqq16X0Kg@mail.gmail.com> <962b242d-546f-46ce-9eb2-9bd2a10f4608@FreeBSD.org>
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On 01/07/2024 3:19 pm, Lev Serebryakov wrote: > On 07.01.2024 22:15, Warner Losh wrote: > >> So, if this is a mirror, then ada0 blank and ada1 with good data, in >> theory >> you should be fine. However, perhaps ZFS is finding that there's an >> error from >> ada1 for real. Does all of ada1 read with a simple dd? > Yep, it is read with dd, I've checked it > >> Not sure about the losing devices you described later on. >> >> > ZFS: i/o error - all block copies unavailable >> > ZFS: can't read MOS of pool zroot >> > >> > >> > To be honest, I thinks there is something else. Because >> sequence of events were (sorry, too long, but I think, tht every >> detail matters here): >> >> >> Yea. There's something that's failing, which zio_read is woefully >> under reporting for our diagnostic efforts. And/or something is >> getting confused by the blank disk and/or the partially resilvered >> disk. > > My theory, that something is confused when one disk is 512/4096 and > other is 512/512. > > I want to check it on VM, but can not find VM that both (1) allows > CMS boot and (2) allows to configure logical and physical sector of > virtual HDD. > > bhyve could configure sector sizes, but doesn't support BIOS, and > VBox and qemu-system can not emulate sector sizes (or I can not google > proper configuration). When I first saw this, I wonder what ashift is set to on the pool? -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 214-642-9640 E-Mail: ler@lerctr.org US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106
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