I have followed the openwrt timemachine guide (https://oldwiki.archive.openwrt.org/doc/howto/timemachine) to install on a WRT3200ACM and WRT32x device. One device is to be used by my wife and the other by me. Unfortunately, I am seeing only one device on the network at a time; the primary router which provides internet for the network is displayed. If I stop avahi-daemon service on the primary router, the second device can be seen on the network in Apple's Time Machine interface and accessed. I have performed an avahi-browse for the _afpovertcp._tcp service and I am only able to see one time capsule server at a time.
I am a rather stumped and any help would be appreciated.
oldwiki is pretty old... is all your hardware / software circa LEDE days ( 2017 )?
find a newer guide me thinks ( smb4 etc.? )
I found a newer guide: https://openwrt.org/docs/guide-user/services/nas/netatalk_configuration. It is virtually identical to the oldwiki. I am still having the same issue where the Time Machine is not seeing the second device. I have confirmed a similar issue when I perform an avahi-browse command.
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I have performed some additional digging and enabled logging for the avahi daemon. It appears I am getting a hostname conflict when for the second device and the hostname is retried with a number increment. This issue appears to be document at https://github.com/lathiat/avahi/issues/117.
I may have a solution for the number increment and failed backups when backup drive was not found. Or, at least it was fixed for me with following file placed in /etc/avahi/services/ The file was named samba.service
<?xml version="1.0" standalone='no'?>
<!DOCTYPE service-group SYSTEM "avahi-service.dtd">
<service-group>
<name replace-wildcards="yes">SMB on %h</name>
<service>
<type>_smb._tcp</type>
<port>445</port>
</service>
<service>
<type>_device-info._tcp</type>
<port>0</port>
<txt-record>model=RackMac</txt-record>
</service>
</service-group>