Hi,
Our re-engineered Minster Music and Bells system has now been redeployed and
has been working in anger (sort-of) since Monday when WMT re-opened to the
public. There were one or two teething problems which I was able fix by
logging in to the system remotely.
However, I've been experiencing a recurrent issue with network access. For
the third time this morning I found that I was unable to log into one or other
of the two Pis in the system and connectivity was only restored after a power
cycle. Apart from being inconvenient, this is concerning because I'd like to
be able to shut the system down before removing the power. Also, since I am
still not visiting the WMT due to my wife's vulnerability to COVID I have to
phone in and ask the duty manager to do it.
The network architecture is a bit unusual in that we didn't want the expense
of an extra Network Switch and USB/Ethernet Adaptor. To solve the former I
configured one Pi as a Router and to solve the latter I used USB Networking,
which the Pi supports. Here is a quick and dirty diagram:
WMT Music Bells
Network-------------------Pi---------------------------Pi
^ ^ ^
| | |
Accessed Accessed Accessed
via via via
VPN Ethernet USB0
USB Networking was described to me at:
https://www.raspberrypi.org/forums/viewtopic.php?
f=36&t=295221&p=1785228#p1781380
(There is something in the Raspberry Pi docs, but since the Raspberry Pi
Foundation redesigned their website, I can't find it.)
Can anyone suggest a reason for these dropouts?
--
Terry Coles
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