[Samba] samba

Rowland penny rpenny at samba.org
Fri Aug 28 17:52:33 UTC 2020

On 28/08/2020 16:49, Christopher Wensink via samba wrote:
> Thank you everyone in advance for your time and support  I am the
> Administrator of a small network, with about 60 desktops (mostly windows
> 10) that connect to a Linux VM running samba for file sharing).  In the
> last few months I completed the transition from the Samba server running
> as a vm on an OpenVZ machine.  It was running Centos 6, with an older
> version of samba.  Now the server has been migrated to a vmware esxi
> server, with the same amount of provisioned CPU and Ram resources, and a
> bigger hard drive, running Centos 7 with Samba 4.10.4.
>      Aug 28 10:22:27 luigi2 smbd[118071]: [2020/08/28 10:22:27.284420,
>      0] ../../source3/modules/vfs_default.c:1287(vfswrap_fsctl)
>      Aug 28 10:22:27 luigi2 smbd[118071]:  FSCTL_GET_SHADOW_COPY_DATA:
>      connectpath /shares/documents/<share>, failed - NT_STATUS_ACCESS_DENIED.
>      Aug 28 10:24:29 luigi2 smbd[127904]: [2020/08/28 10:24:29.937661,
It looks the shadow copy does not have access to a file it is trying to 
>          vfs objects = shadow_copy2
> [public]
>          comment = Public files read by all but written by few
>          path = /shares/documents/public
>          valid users = @users
>          read only = no
>          inherit permissions = Yes
>          shadow:basedir = /shares/documents
>          shadow:snapdir = ../.documents
You only appear to be using the shadow_copy2 vfs object with one share, 
so I would move the 'vfs objects' line into the share from 'global'
> A separate backup system is taking backups of the server on a vm
> snapshot level daily and on a file level hourly, unrelated to
> snapshots.  Do I need the snapshots functionality?  I have not set this
> up, and I don't know if I need to?  What are your recommendations?

I would read 'man vfs_shadow_copy2', especially the section at the bottom.

Only you can decide if you need this facility, why was it set up 
originally ?


More information about the samba mailing list