Hi,
Stupid question, is the backup machine correctly listed in rdadmin ->
hosts with the right IP address/hostname?
Wayne Merricks
The Voice Asia
On 19/08/13 05:51, Jim Stewart wrote:
Our main on-air system, and its soon-to-be installed replacement works
fine, but on our backup system, I can create and even overwrite cart
cuts but can not delete them. The error I get from "Unable to delete
audio!" dialog popup from rdlibrary when I do.
Same result if I have the backup system "connected" to the mysql
database on the onair machine or the "backup" copy that is on it
locally. (I don't know how to get the master/slave thing on mysql
working right now so have been just using the backup and restore
function in rdadmin to generate the local copy on the backup server).
The default user that it is logging in as is the same user "user" that
is on the main system, so I'd assume that user has the rights to perform
deletions. Also as logged in as that user in shell, I can delete carts
from that directory just fine. Both the main system is running
rivendell 2.5.0 where as the backup is on 2.5.1, both as compiled by the
folks maintaining the debian packages on Tryphon. The main is running
debian Squeeze (32-bit) and the backup is running debian Wheezy
(64-bit).
I want to get this fixed so that I can put the backup on the air so to
swap in a new, fully upgraded system for "ONAIR" that is mostly
ready-to-go, but I want to play it safe anyway.
========================
Other than a couple of other issues reported on this forum earlier, I've
been super happy with Rivendell. I've had a radio station running on it
for about a year now. Rivendell seems to have a good mix of features
common with other leading commercial systems out there, but because it
runs on Linux with all of it's backend tools (like Jack-audio, really
good software RAID, great priority scheduling of cpu-time and other
resources, real multi-user capability, real LAMP stack, and overall
design friendly for scripting, etc.), I've been able to do things on a
single computer in a very clean fashion would take several computers and
other audio devices tied together in a "multiple points of failure" mode
with those other common commercial systems. Eventually I plan on
writing a little blog/article about my experiences and configuration
that should be helpful to others but want to learn a little more about
Rivendell and tweak my setup a little more before I do.
I currently have the core system working, with Jack audio on a Presounus
1818VSL USB multichannel sound device, running three darkice streams
(Transmitter, Public, Preview/Production) from Jack with some processing
done by "jack-rack" inserted in the public stream. I have RDAIRPLAY
doing all kinds of routing changes and other things via macro carts
fired from either a log, or "hot buttons" (that sometimes call external
shell scripts), I have RDCATCH grabbing and importing various elements
on a daily basis. Then I have all this fully remote accessible via both
VNC and remote X (usually tunneled through SSH) for our operators to use
on their Windows desktops and smart-phones. We play locally stored music
interrupted by live remotes and sporting events (with cue, talkback, and
mix-minus foldback) from either Skype, or a Telos-one CODEC, or a "Plain
Old Telephone" (POTS) interfaced to the Presounus sound device (Can I
use "LiveWire" on the Telos CODEC directly to the computer?). We
rebroadcast our college games (with their permission) via their webcast
that has 25/35hz subaudible automation tones (currently using a borrowed
hardware tone decoder, does anyone know of a good linux/Jack-compatible
software solution? The NCH-audio + Wine + Alsa_In solution seems too
messy to me) Did I mention this was all on one computer and I haven't
even needed to install a traditional broadcast audio console yet?
My main remaining task is to get three rivendell systems working in a
hot-backup/fail-over + cold-standby arrangement where two systems are
typically powered on at a time (main and backup-server), and this
backup-server gets constantly updated from the main system via rsync
(have that working now), and have the database configured for
master/slave redundancy (not working yet) in a way where the backup can
run fully stand-alone with the master on-air system down. Then I want a
third computer (already have it running) that would normally be powered
off, but can be powered on and then synced from the "backup-server" so
that it could become a new "ONAIR" machine. (our "backup-server" is a
"headless" thing that is located in an awkward location and normally
used for other purposes so not to be appropriate as a permanent
replacement for "ONAIR"). Our "ONAIR" machines come from a pile of
older Pentium-4 "semi-server class" machines that were discarded and
given to us by an associate company. So our plan is to simply "run them
into the ground" on our radio station, but with the security of having a
good system of fail-overs and backup computers to deal with when they do
fail.
Anyway, enough babbling for now. Any suggestions on how to troubleshoot
and/or fix my current issue as well as how to move forward with my
eventual goals would be appreciated.
James Stewart
Pace Audio Services
Albuquerque, NM USA
and
KYRN-FM Radio (Socorro, NM USA)
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