Date: Wed, 5 May 2021 05:28:27 -0700 From: Mark Millard <marklmi@yahoo.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, freebsd-current <freebsd-current@freebsd.org> Subject: Re: ZFS rename with associated snapshot present: odd error message Message-ID: <5294FCAA-14C8-45CB-B34A-B4D76F70AA8B@yahoo.com> In-Reply-To: <4ddf96da-e7f7-663d-8539-04f91297389a@FreeBSD.org> References: <8335C81D-B83C-42BC-B296-C05FAEAE538A.ref@yahoo.com> <8335C81D-B83C-42BC-B296-C05FAEAE538A@yahoo.com> <4ddf96da-e7f7-663d-8539-04f91297389a@FreeBSD.org>
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On 2021-May-5, at 02:47, Andriy Gapon <avg at FreeBSD.org> wrote: > On 05/05/2021 01:59, Mark Millard via freebsd-current wrote: >> I had a: >> # zfs list -tall >> NAME USED AVAIL REFER = MOUNTPOINT >> . . . >> zroot/DESTDIRs/13_0R-CA72-instwrld-norm 1.44G 117G = 96K /usr/obj/DESTDIRs/13_0R-CA72-instwrld-norm >> zroot/DESTDIRs/13_0R-CA72-instwrld-norm@dirty-style 1.44G - = 1.44G -. . . >> . . . >> (copied/pasted from somewhat earlier) and then attempted: >> # zfs rename zroot/DESTDIRs/13_0R-CA72-instwrld-norm = zroot/DESTDIRs/13_0R-CA72-instwrld-alt-0 >> cannot open 'zroot/DESTDIRs/13_0R-CA72-instwrld-norm@dirty-style': = snapshot delimiter '@' is not expected here >> Despite the "cannot open" message, the result looks like: >> # zfs list -tall >> NAME USED = AVAIL REFER MOUNTPOINT >> . . . >> zroot/DESTDIRs/13_0R-CA72-instwrld-alt-0 1.44G = 114G 96K /usr/obj/DESTDIRs/13_0R-CA72-instwrld-alt-0 >> zroot/DESTDIRs/13_0R-CA72-instwrld-alt-0@dirty-style 1.44G = - 1.44G - >> . . . >> Still, it leaves me wondering if everything is okay >> given that internal attempt to use the old name with >> @dirty-style when it was apparently no longer >> available under that naming. >> For reference: >> # uname -apKU >> FreeBSD CA72_4c8G_ZFS 13.0-RELEASE FreeBSD 13.0-RELEASE #0 = releng/13.0-n244733-ea31abc261ff-dirty: Thu Apr 29 21:53:20 PDT 2021 = root@CA72_4c8G_ZFS:/usr/obj/BUILDs/13_0R-CA72-nodbg-clang/usr/13_0R-src/ar= m64.aarch64/sys/GENERIC-NODBG-CA72 arm64 aarch64 1300139 1300139 >=20 > Cannot reproduce here (but with much simpler names and on stable/13): > zfs create testz/test > zfs snapshot testz/test@snap1 > zfs rename testz/test testz/test2 >=20 > All worked. >=20 I've noticed that sometimes in my explorations it has been silent instead of complaining. I've no clue at this point what prior activity (or lack of activity) makes the difference for if a message will be generated vs. not. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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