Date: Wed, 1 Mar 2023 13:18:16 +0100 From: Maurizio Vairani <maurizio1018@gmail.com> To: freebsd-stable@freebsd.org Subject: If I 'cd' in a ZFS snapshot I cannot mount it 'Device busy' Message-ID: <CAN0zgYWks7tG%2BL=MYYzg0Dw6c_0mex14SPn_UaVxuEZTis85yg@mail.gmail.com>
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--000000000000a4c9fb05f5d5b5b8 Content-Type: text/plain; charset="UTF-8" This code give the Device busy error: zfs create ztemp/test_snap cp /bin/c* /ztemp/test_snap zfs snapshot ztemp/test_snap@first mkdir /mnt/test_snap cd /ztemp/test_snap/.zfs/snapshot/first/ cd mount -t zfs -o ro ztemp/test_snap@first /mnt/test_snap mount: ztemp/test_snap@first: Device busy This code works: zfs snapshot ztemp/test_snap@second mount -t zfs -o ro ztemp/test_snap@second /mnt/test_snap ls -l /mnt/test_snap/ total 367 -r-xr-xr-x 1 root wheel 14600 Mar 1 11:33 cat* -r-xr-xr-x 1 root wheel 8920 Mar 1 11:33 chflags* -r-xr-xr-x 1 root wheel 20720 Mar 1 11:33 chio* -r-xr-xr-x 1 root wheel 9616 Mar 1 11:33 chmod* -r-xr-xr-x 1 root wheel 22496 Mar 1 11:33 cp* -r-xr-xr-x 1 root wheel 442056 Mar 1 11:33 csh* umount /mnt/test_snap Tested in 13.1-RELEASE-p3 and 13.2-BETA3 Regards Maurizio --000000000000a4c9fb05f5d5b5b8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>This code give the Device busy error:<br></div><div>z= fs create ztemp/test_snap</div>cp /bin/c* /ztemp/test_snap<br>zfs snapshot = ztemp/test_snap@first<br>mkdir /mnt/test_snap<br>cd /ztemp/test_snap/.zfs/s= napshot/first/<br>cd<br>mount -t zfs -o ro ztemp/test_snap@first /mnt/test_= snap<br>mount: ztemp/test_snap@first: Device busy<br><div><br></div><div>Th= is code works:<br></div>zfs snapshot ztemp/test_snap@second<br>mount -t zfs= -o ro ztemp/test_snap@second /mnt/test_snap<br>ls -l /mnt/test_snap/<br>to= tal 367<br>-r-xr-xr-x =C2=A01 root =C2=A0wheel =C2=A0 14600 Mar =C2=A01 11:= 33 cat*<br>-r-xr-xr-x =C2=A01 root =C2=A0wheel =C2=A0 =C2=A08920 Mar =C2=A0= 1 11:33 chflags*<br>-r-xr-xr-x =C2=A01 root =C2=A0wheel =C2=A0 20720 Mar = =C2=A01 11:33 chio*<br>-r-xr-xr-x =C2=A01 root =C2=A0wheel =C2=A0 =C2=A0961= 6 Mar =C2=A01 11:33 chmod*<br>-r-xr-xr-x =C2=A01 root =C2=A0wheel =C2=A0 22= 496 Mar =C2=A01 11:33 cp*<br>-r-xr-xr-x =C2=A01 root =C2=A0wheel =C2=A04420= 56 Mar =C2=A01 11:33 csh*<br>umount /mnt/test_snap<br><br><div>Tested in 13= .1-RELEASE-p3 and 13.2-BETA3</div><div><br></div><div>Regards</div><div>Mau= rizio</div><div><br></div></div> --000000000000a4c9fb05f5d5b5b8--
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