Date: Tue, 6 Nov 2018 21:54:32 -0500 From: Alejandro Imass <aimass@yabarana.com> To: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: ZFS re attaching failed device to pool Message-ID: <CAHieY7S8iLrfhsGk=n4h9wHLuVc0i=q6oi40Rkd7zKQn1JNO=g@mail.gmail.com> In-Reply-To: <20181106191418.GB16406@neutralgood.org> References: <CAHieY7RP9hjZ8TDqz8PFNoeo2gVY5%2BA2icA288mmvh__e1j5XA@mail.gmail.com> <CAHieY7R%2BCNNzPQwCGJW8ugy266EXXBZmF1EPs2gvacJ3=56eiA@mail.gmail.com> <4C7379FD-8646-4246-9CD0-AC3B281B32C9@lists.vlassakakis.de> <CAHieY7QXk7OH=Py9H%2BDpF5utztjCLypWzot-y8TKab%2B0zjAnCg@mail.gmail.com> <20181106184229.cbc0a77021e9f5b5506b230b@sohara.org> <20181106191418.GB16406@neutralgood.org>
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On Tue, Nov 6, 2018 at 2:14 PM Kevin P. Neal <kpn@neutralgood.org> wrote: > I do suggest a backup to some other disk that you then take offline. I > don't know what will happen if you have disk trouble while a removal is > in process. That code, if I'm not insane, is very new. > > > Thank you all for taking the time to respond. So what is the the correct approach here? Would this suggestion by Kevin Neal have worked for re-attaching a good disk that had been ousted for a faulty cable? If so, what is the procedure for updating the handbook so that other people that encounter this particular situation can recover more easily? <quote> For a simple mirror, if you can handle the risk, you can detach the unavailable disk and then reattach it. Once the mirror has been dropped down to a single disk (ie, not a mirror anymore) then you can _attach_ the disk that was part of the mirror before. Just make sure you "attach" it, don't use any other verbs. </quote> At this point I will just backup, reconstruct the array and restore. Thanks again! -- Alex
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