Date: Fri, 8 Nov 2024 15:29:22 +0100 From: Palle Girgensohn <girgen@FreeBSD.org> To: void <void@f-m.fm> Cc: freebsd-fs@freebsd.org Subject: Re: zfs snapshot corruption when using encryption Message-ID: <3E85AAAE-8B1E-47C7-B581-E3D98AB03907@FreeBSD.org> In-Reply-To: <Zy4XHlKodLu7utBa@int21h> References: <03E4CCF5-0F9A-4B0E-A9DA-81C7C677860C@FreeBSD.org> <Zy4XHlKodLu7utBa@int21h>
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--Apple-Mail=_6FFFCB03-1F59-4ADF-8B24-40751C8D519A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii > 8 nov. 2024 kl. 14:50 skrev void <void@f-m.fm>: >=20 > On Fri, Nov 08, 2024 at 10:57:43AM +0100, Palle Girgensohn wrote: >> Hi! >>=20 >> We se sporadical corruption in snapshots (not really files, it seems) = since we started using encryption on previously well behaved system. >>=20 >> There a description in the OpenZFS github, = https://github.com/openzfs/zfs/issues/12014 , that seems to be spot on. = The issue is still open. >>=20 >> I filed a bug report: = https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282622 >>=20 >> Any ideas? >=20 > No idea but i'd like to ask, in your context: do the snapshots get = created, and if so, can you restore from them? In other words, does the = 'corruption' fix itself, with zfs self-healing? I cannot run `zfs send -I fs@previous_snap fs@problematic_snap`, I get warning: cannot send 's@problematic_snap': Input/output error` Removing the snapshot fixes the problem.= --Apple-Mail=_6FFFCB03-1F59-4ADF-8B24-40751C8D519A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><head><meta http-equiv=3D"content-type" content=3D"text/html; = charset=3Dus-ascii"></head><body style=3D"overflow-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;"><br = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;"><br style=3D"caret-color: rgb(0, 0, 0); color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 13px; font-style: = normal; font-variant-caps: normal; font-weight: 400; letter-spacing: = normal; orphans: auto; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; widows: auto; word-spacing: = 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><blockquote = type=3D"cite" style=3D"font-family: Menlo-Regular; font-size: 13px; = font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; orphans: auto; text-align: start; text-indent: = 0px; text-transform: none; white-space: normal; widows: auto; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;">8 nov. 2024 kl. 14:50 skrev void <void@f-m.fm>:<br><br>On = Fri, Nov 08, 2024 at 10:57:43AM +0100, Palle Girgensohn = wrote:<br><blockquote type=3D"cite">Hi!<br><br>We se sporadical = corruption in snapshots (not really files, it seems) since we started = using encryption on previously well behaved system.<br><br>There a = description in the OpenZFS github, = https://github.com/openzfs/zfs/issues/12014 , that seems to be spot on. = The issue is still open.<br><br>I filed a bug report: = https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D282622<br><br>Any = ideas?<br></blockquote><br>No idea but i'd like to ask, in your context: = do the snapshots get created, and if so, can you restore from them? In = other words, does the 'corruption' fix itself, with zfs = self-healing?<br></blockquote><br style=3D"caret-color: rgb(0, 0, 0); = color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 13px; = font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; orphans: auto; text-align: start; text-indent: = 0px; text-transform: none; white-space: normal; widows: auto; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;"><span style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = orphans: auto; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; display: inline = !important; float: none;">I cannot run `zfs send -I fs@previous_snap = fs@problematic_snap`, I get</span><br style=3D"caret-color: rgb(0, 0, = 0); color: rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 13px; = font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; orphans: auto; text-align: start; text-indent: = 0px; text-transform: none; white-space: normal; widows: auto; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;"><br style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); = font-family: Menlo-Regular; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = orphans: auto; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;"><span = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; display: inline !important; float: = none;">warning: cannot send 's@problematic_snap': Input/output = error`</span><br style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, = 0); font-family: Menlo-Regular; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = orphans: auto; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;"><br = style=3D"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: = Menlo-Regular; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;"><span style=3D"caret-color: rgb(0, 0, 0); color: = rgb(0, 0, 0); font-family: Menlo-Regular; font-size: 13px; font-style: = normal; font-variant-caps: normal; font-weight: 400; letter-spacing: = normal; orphans: auto; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; widows: auto; word-spacing: = 0px; -webkit-text-stroke-width: 0px; text-decoration: none; display: = inline !important; float: none;">Removing the snapshot fixes the = problem.</span></body></html>= --Apple-Mail=_6FFFCB03-1F59-4ADF-8B24-40751C8D519A--
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