It corrupts all the time - does not seem to handle network changes/disconnects very well when Time Machine is doing its thing. I am currently facing (XYZ time machine folder is on the synology):
'Time Machine detected that your backups on “xyz Time Machine Folder” can not be reliably restored. Time Machine must erase your existing backup history and start a new backup to correct this.'
'Time Machine detected that your backups on “xyz Time Machine Folder” can not be reliably restored. Time Machine must erase your existing backup history and start a new backup to correct this.'