Date: Wed, 20 Mar 2019 18:15:41 +1100 From: Michelle Sullivan <michelle@sorbs.net> To: Xin LI <delphij@gmail.com> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: zfs corruption (again) due to interupted resilver and power faults. Message-ID: <f4937be2-2026-d70d-d4cf-f315e3a8a9bd@sorbs.net> In-Reply-To: <21433606-416E-4BB9-9D17-01339F53E3B4@sorbs.net> References: <fdfbf579-db87-a173-5fc1-1364bf091ca2@sorbs.net> <CAGMYy3ufghESzidxz0ss%2BYtGmL0dvK6t6Sct%2BghX%2BjNCpJi4sw@mail.gmail.com> <21433606-416E-4BB9-9D17-01339F53E3B4@sorbs.net>
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Michelle Sullivan wrote: > Trying now thanks (and no I hadn’t - wasn’t aware of the sysctl) Failed with the same old... http://flashback.sorbs.net/packages/zfs/image6.jpeg Michelle > Michelle Sullivan > http://www.mhix.org/ > Sent from my iPad > >> On 20 Mar 2019, at 05:21, Xin LI <delphij@gmail.com> wrote: >> >> 0x7a is 122, which is ECKSUM, it seems that your space map is corrupt. >> >> Have you tried importing with vfs.zfs.recover=1 set in loader and import the pool with -o readonly? >> >> Cheers, >> >>> On Tue, Mar 19, 2019 at 6:15 AM Michelle Sullivan <michelle@sorbs.net> wrote: >>> So lost my pool again... this time looks more hopeless, but for simpler >>> reasons. >>> >>> Basically a significant power issue occurred whilst in a resilver >>> process which I am lucky no-one was killed - though if I find the idiot >>> there is still time... >>> >>> anyhoo, to the issue at hand... >>> >>> FreeBSD 12 (memstick boot) >>> >>> Can't import the pool 'storage' >>> >>> All devices are now online (one wasn't but that issue has been resolved >>> by byte copying the drive to a new drive and inserting) >>> >>> Its a zraid2 set... only the one drive had failed and was in the middle >>> of the resilver when the power issue occurred. >>> >>> Pool refuses to import (even with -FfX) >>> >>> zdb reports 4 metdata errors and no (zero) data errors... see: >>> http://flashback.sorbs.net/packages/zfs/image4.jpeg >>> >>> 'zdb -bcd' asserts out in space_map_load (123 of 163) see: >>> http://flashback.sorbs.net/packages/zfs/image5.jpeg >>> >>> Thoughts on how I might recover this? >>> >>> (Really need to as was in the middle of blowing away the original >>> (backup) server for a rebuild and new backup.. so I have quite literally >>> no backups, and every photo I have taken are in that zvol on the pool - >>> there should be no reason why it's corrupt as with the exception of the >>> resilver - there was no active writing to the pool.) >>> >>> Yours hopefully, >>> >>> Michelle >>> >>> -- >>> Michelle Sullivan >>> http://www.mhix.org/ >>> >>> _______________________________________________ >>> freebsd-fs@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-fs >>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" -- Michelle Sullivan http://www.mhix.org/
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