Date: Thu, 14 Dec 2023 22:46:14 +0000 From: Lexi Winter <lexi@le-fay.org> To: Xin LI <delphij@gmail.com> Cc: freebsd-fs@freebsd.org Subject: Re: unusual ZFS issue Message-ID: <0AE6B073-54F7-408D-9DAF-BEA564747D62@le-fay.org> In-Reply-To: <CAGMYy3sXBd=BjcLS7xNeTTJkYgCq0k94N2c_ZJ3kAyOdx2JWSg@mail.gmail.com> References: <787CB64A-1687-49C3-9063-2CE3B6F957EF@le-fay.org> <twivq3fadiotyfpblbqzfulx2wvel5povfic7626hktylqr4gg@uxipr5j7igs5> <C210159C-4747-45A1-9FB1-1708D6A21DE8@le-fay.org> <ec82ce34-6463-4200-960a-c820605d0cfd@nomadlogic.org> <CAGMYy3sp-6T0GYEBVG1WSkn4hzvQd15XuwD8bvx1qg1Qys%2BpCg@mail.gmail.com> <1656A349-9E7D-4798-89D1-ECE39126FBC8@le-fay.org> <CAGMYy3sXBd=BjcLS7xNeTTJkYgCq0k94N2c_ZJ3kAyOdx2JWSg@mail.gmail.com>
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On 14 Dec 2023, at 22:35, Xin LI <delphij@gmail.com> wrote: > This is strange, I'd expect some non-zero values above; did you 'zpool clear' before this? i did not. i was also surprised at encountering this error with no device or vdev errors. > You can delete these files or datasets and restore them from backup. unfortunately, i cannot: # zfs destroy -r data/vm/media/disk1 cannot iterate filesystems: I/O error # zfs list -rt all data/vm/media/disk1 cannot iterate filesystems: I/O error NAME USED AVAIL REFER MOUNTPOINT data/vm/media/disk1 9.32G 27.6T 6.47G - data/vm/media/disk1@autosnap_2023-12-13_12:00:00_hourly 0B - 6.42G - data/vm/media/disk1@autosnap_2023-12-14_10:16:00_hourly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_11:17:00_hourly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_12:04:00_monthly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_12:15:00_hourly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_13:14:00_hourly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_14:38:00_hourly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_15:11:00_hourly 0B - 6.46G - data/vm/media/disk1@autosnap_2023-12-14_17:12:00_hourly 316K - 6.47G - data/vm/media/disk1@autosnap_2023-12-14_17:29:00_daily 2.70M - 6.47G - > If you are not using ECC memory, they may occasionally cause damage like this one if you are really unlucky, by the way. this system does have ECC memory, but it’s on an AM4 platform, which has limited support for ECC. thanks, liss.help
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