Date: Fri, 22 Jun 2018 10:00:40 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Dave Baukus <daveb@spectralogic.com>, "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org> Subject: Re: ZFS file in a snapshot with a link count of 0 Message-ID: <9c88705f-8af5-bf03-aa6b-fe4ecbad50e8@FreeBSD.org> In-Reply-To: <dcf02d30-a871-a5e4-b893-8eb85e8d8fd1@spectralogic.com> References: <dcf02d30-a871-a5e4-b893-8eb85e8d8fd1@spectralogic.com>
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On 22/06/2018 02:25, Dave Baukus wrote: > On a ZFS running something very close to 11.0-STABLE FreeBSD, I am able to get a > file with a link count of 0 into a snapshot. If this file also has an extattr attached to it then > this file appears to break zfs diff. > > The main question is: should a file with a link count of 0 get into the snap shot ? Yes. The file is on disk, so it's in the snapshot as well. > # > zfs diff pool0/vol0@snapF1 pool0/vol0@snapF2 > Unable to determine path or stats for object 1030 in pool0/vol0@snapF1: No such file or directory Is this a fatal error or merely a warning? If the former, then it needs to be fixed in zfs diff. -- Andriy Gapon
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