Thanks for the info on the single NFS volume mount.
Another take on the direct bind mount:
If server1 did:
source s_chroot_<username> { unix-stream("/var/data/chroot/<username>/dev/log_server1" optional(yes) ); };
Then for each user server1 would also do (or have in fstab):
mount -bind /var/data/chroot/<username>/dev/log /var/data/chroot/<username>/dev/log_server1
and server2 did:
source s_chroot_<username> { unix-stream("/var/data/chroot/<username>/dev/log_server1" optional(yes) ); };
and also do this:
mount -move /var/data/chroot/<username>/dev/log /var/data/chroot/<username>/dev/log_server2
This would allow each server to have its own /dev/log_host so they would not overwrite each others,
but when the libc went to write to the chrooted /dev/log, the kernel would write to /dev/log_serverX because
the direct bind is in the host's kernel.
I have not tried this.
On 9/29/2021 3:42 AM, Hildegard Meier wrote:
Hi, I tried now the following:
Add the following line to /etc/fstab:
/var/data/chroot /usr/local/sftp_chroot_bind_mount none bind 0 2
Then:
mkdir /usr/local/sftp_chroot_bind_mount
mount /usr/local/sftp_chroot_bind_mount
to bind-mount the users's chroot home to /usr/local/sftp_chroot_bind_mount
Then replace in the syslog-ng config:
source s_chroot_<username> { unix-stream("/var/data/chroot/<username>/dev/log" optional(yes) ); };
with
source s_chroot_<username> { unix-stream("/usr/local/sftp_chroot_bind_mount/<username>/dev/log" optional(yes) ); };
Restart syslog-ng
That would have been such a simple workaround.
But unfortunately, the problem is not solved with this.
The problem is the same, that there is sftp logging only on the sftp server where syslog-ng was restarted least.
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Douglas E. Engert <DEEngert@xxxxxxxxx>
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