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Date:      Tue, 24 Mar 2020 23:26:55 -0400
From:      Nicholas Papadonis <nick.papadonis.ml@gmail.com>
To:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Cc:        Mario Lobo <lobo@bsd.com.br>, Manish Jain <bourne.identity@hotmail.com>
Subject:   Re: vboxvfs file integrity problems?
Message-ID:  <CC6E6ECF-4C61-4644-89DA-1B76B2722C8F@gmail.com>
In-Reply-To: <E3C7BBDE-C36D-4418-BFC3-7E95B042F4BD@gmail.com>
References:  <CAKD0t1KrEhPG4--2f9J%2BcSVXdDp_JNv7Ztv0PG1eHdPC-NuUKg@mail.gmail.com> <CAKD0t1JEuNrzhsW5gx5Sz0Yrq_qnuPo_Dvz10SjJV7mQa7zAjQ@mail.gmail.com> <CA%2ByoEx_2dmMm1wf95s1ydfTQ5iCN9sH=akQYq5B1V=EdM7MtFA@mail.gmail.com> <A1BE9EBA-84EC-4C34-B2CB-3683CC5432AD@gmail.com> <DB8PR06MB6442DE184E5FF9E1E13C65AEF6F00@DB8PR06MB6442.eurprd06.prod.outlook.com> <DB8PR06MB64423F4FC86207DFA0B53EA3F6F00@DB8PR06MB6442.eurprd06.prod.outlook.com> <0438AA11-06BB-4D8B-BDF9-8F15E785882D@gmail.com> <27A6356A-AC35-4526-898B-88C87FAC703B@gmail.com> <E3C7BBDE-C36D-4418-BFC3-7E95B042F4BD@gmail.com>

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I compared the results between configurations of same directory tree.  =
Using mounted filesystem with vboxvfs, using filesystem directly on Mac, =
using NFS mounted filesystem.  All of the same data.

It appears the results over the vboxvfs driver mounted filesystem differ =
in that vboxvfs mount is missing the =E2=80=9Cnlink=3DX=E2=80=9D field.  =
size is also missing, but I=E2=80=99m assuming that=E2=80=99s expected =
as it=E2=80=99s missing on the nfs mount as well.

$ diff mtreenfs-mount.txt mtreeonmac.txt|more
< branches        type=3Ddir nlink=3D2 time=3D1547439167.000000000
---
> branches        type=3Ddir nlink=3D2 size=3D64 =
time=3D1547439167.000000000

diff mtreenfs-mount.txt mtree-fbsd-vboxvfs.txt |less
< branches        type=3Ddir nlink=3D2 time=3D1547439167.000000000
---
> branches        type=3Ddir time=3D1547439167.000000000

Perhaps the missing nlink is the problem?

Thanks

> On Mar 24, 2020, at 1:05 PM, Nicholas Papadonis =
<nick.papadonis.ml@gmail.com> wrote:
>=20
> vboxvfs works to mount the directory.  I can read and write files, =
however I=E2=80=99m observing integrity issues of the mount point.
>=20
> Does anyone know of an application to test file integrity over the =
mount?
>=20
> Files in the mount subpath that are accessible from the host and =
Debian are not accessible in FreeBSD via vboxvfs.  Oddly, command line =
completion will show the directory, however the directory is missing =
from =E2=80=98ls -l=E2=80=99.  Appreciate any guidance on how to test =
the integrity of vboxvfs.
>=20
> Thanks
>=20
>=20
>> On Mar 24, 2020, at 12:34 PM, Nicholas Papadonis =
<nick.papadonis.ml@gmail.com> wrote:
>>=20
>> Solved.
>>=20
>> /etc/fstab:
>> Source		/mnt/srcr	vboxvfs rw,uid=3D1001	0	=
0
>>=20
>>> On Mar 24, 2020, at 12:12 PM, Nicholas Papadonis =
<nick.papadonis.ml@gmail.com> wrote:
>>>=20
>>> I updated to the latest and it works!
>>>=20
>>> $ sudo mount -t vboxvfs -o uid=3D1001 Source /mnt/srcr
>>>=20
>>> $ uname -a
>>> FreeBSD fbsd 12.1-RELEASE FreeBSD 12.1-RELEASE r354233 GENERIC  =
amd64
>>>=20
>>> The only issue is the mount points are not made permanent according =
to the Shared Folders dialog in VirtualBox.
>>>=20
>>> I tried editing fstab, however the changes were lost.  Does anyone =
know where to place the mount options?
>>>=20
>>> Thanks
>>>=20
>>>> On Mar 23, 2020, at 7:33 PM, Manish Jain =
<bourne.identity@hotmail.com> wrote:
>>>>=20
>>>> Another correction : the type should not be vboxvfs, rather vboxsf =
:
>>>>=20
>>>> sudo mount -t vboxsf -o uid=3D1000 Source /mnt/srcr
>>>>=20
>>>>=20
>>>> On 24/03/2020 04:54, Manish Jain wrote:
>>>>> On 24/03/2020 03:42, Nicholas Papadonis wrote:
>>>>>> sudo mount -t vboxvfs Source /mnt/srcr
>>>>> I think that command is wrong. Try:
>>>>> sudo mount -t vboxvfs -o uid=3D1000 Source /mnt/srcr
>>>>> (Presuming your non-root user is UID 1000)
>>>>> Regards,
>>>>> Manish Jain
>>>=20
>>=20
>=20




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