I think I admitted in my last message that it was an uninformed theory. Perhaps there is another explanation why the backups fail regularly after several weeks or months but it is still an issue experienced by many NAS users including WD My Cloud users. Having experienced it myself to the point of exasperation and that I am looking to replace my NAS with one which doesn’t do this. I am merely making enquiries before making a purchase but I am not reading anything which is very reassuring.
And whilst I accept that a bench Mac doesn’t have these problems, possibly because they do not have real world volumes of data change, this thread, with 109 posts shows that it affects WD customers:
Whilst it might be argued that the last post on that lengthy thread was a year ago, the most recent thread on this subject was in July this year:
There appears to be a ‘fix’ but everyday users ought not be expected to delve into using Terminal and SSH.
