On 28/10/2019 20:27, Lew Pitcher wrote:
> RobH wrote:
>
>> On the Pi 4  with xeoma, the directories or folders have been created
>> under /mnt , and I have a line in fstab to mount them. mount -a mounts
>> the said directories.
>>
>> //192.168.0.22/CCTV/xeoma /mnt/CCTV/xeoma cifs
>> credentials=/home/pi/.smbclient, uid=pi 0 0
>>
>> Now in xeoma, I am getting this error message:
>>
>>     Archive is not being recorded! Failed to create the directory for the
>> archive (/mnt/CCTV/xeoma)
>
> Let's pause right there for a moment.
>
> So far, you've (sorta) told us that
> a) you have a NAS at 192.168.0.22 that uses the CIFS (microsoft network)
>     file system
> b) you mount a subdirectory of this CIFS file system to a mountpoint on your
>     Raspberry Pi 4
> c) you run xeoma (which, apparently, is a client/server security camera
>     recording/viewing application) on your RPi4
> d) the server portion of xeoma attempts to create a directory under the CIFS
>     mount point
>
> Do I have it correct so far?
>
> If so, a few questions for you:
> 1) what rpi userid and groupid does xeoma run under?
> 2) do these match the uid (and default gid) that you used
>     when mounting the CIFS share? (remember, CIFS has no
>     concept of Linux users and groups; you have to specify
>     your desired values in the Linux mount command, and possibly
>     override the values that your NAS provides/expects)
>
>> Back to the Pi4 to check permissions.
>>
>> pi@raspberrypi:/mnt $ ls -la
>> total 0
>> drwxr-xr-x 1 root root  60 Oct 26 10:24 .
>> drwxr-xr-x 1 root root 160 Jan  1  1970 ..
>> drwxrwxrwx 1 pi   root  60 Oct 26 10:24 CCTV
>
> It would have been helpful to see the permissions of /mnt/CCTV/xeoma rather
> than just /mnt/CCTV.
>
>> Then I changed owner, which was as above
>>
>> pi@raspberrypi:/mnt/CCTV $ sudo chgrp pi xeoma
>> pi@raspberrypi:/mnt/CCTV $ ls -la
>> total 0
>> drwxrwxrwx 1 pi   pi   60 Oct 26 10:24 .
>> drwxr-xr-x 1 root root 60 Oct 26 10:24 ..
>> drwxr-xr-x 2 pi   root  0 Oct 28 10:30 xeoma
>
> OK, ownership is as I would have expected it to be from the CIFS mount
> options (you specified owning user of pi and defaulted the owning group to
> root). Your chgrp isn't going to do any good; the group owner is specified
> by the mount options, and (like all other CIFS permissions and ownership
> information) is not changable through chown/chgrp.
>
>> pi@raspberrypi:/mnt $ sudo chown pi CCTV
>> pi@raspberrypi:/mnt $ ls -la
>> total 0
>> drwxr-xr-x 1 root root  60 Oct 26 10:24 .
>> drwxr-xr-x 1 root root 160 Jan  1  1970 ..
>> drwxrwxrwx 1 pi   root  60 Oct 26 10:24 CCTV
>>
>>
>> Then changed group:
>>
>> pi@raspberrypi:/mnt $ sudo chgrp pi CCTV
>> pi@raspberrypi:/mnt $ ls -la
>> total 0
>> drwxr-xr-x 1 root root  60 Oct 26 10:24 .
>> drwxr-xr-x 1 root root 160 Jan  1  1970 ..
>> drwxrwxrwx 1 pi   pi    60 Oct 26 10:24 CCTV
>
> OK, so you can change ownership of a directory /above/ the mountpoint. I
> don't see the reason for your action here; it contributes nothing to the
> ownership of the directory (and it's subdirectories) in question.
>
>> I then tried the same with the /mnt/CCTV/xeoma directory, but no change
>> when changing the group
>>
>> pi@raspberrypi:/mnt/CCTV $ sudo chgrp pi xeoma
>> pi@raspberrypi:/mnt/CCTV $ ls -la
>> total 0
>> drwxrwxrwx 1 pi   pi   60 Oct 26 10:24 .
>> drwxr-xr-x 1 root root 60 Oct 26 10:24 ..
>> drwxr-xr-x 2 pi   root  0 Oct 28 10:30 xeoma
>>
>> Still xeoma is complaining about not been able to create the directory.
>>
>> Have I missed something
>
> Yes. Make certain that your mount options and your xeoma process agree on
> userid and groupid.
>
>

The rpi userid and groupid are both 1000(pi)
Xeoma Owner and Group are both pi.

So both the pi and xeoma agree do they?

Thanks

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