"QNAP support used to be excellent, and cover the Western Europe timezone. Now they're far east hours only and demand that you to leave an admin workstation logged in overnight, unlocked and with a desktop sharing app running."
Weird, they've been doing the exact opposite by building local support teams for certain countries, but the focus was on language, not time zone. There are people in France, Germany, The Netherlands,...
"Don't be fooled into thinking RAID is indestructible - I've seen three instances across five rackmount QNAP servers where the entire volume becomes corrupt and unmountable. In each case QNAP walked away saying the disks weren't on their approved list, so on the basis of that list backed up by a press release all the disks were replaced with WD Reds. Fortunately I'd kept a copy of the press release because six months later one of them trashed irrecoverably again and we discovered that Reds had been quietly dropped from the list for rackmount systems owing to vibration problems."
Yeah, serious fault of QNAP, they should never have certified HOME NAS class disks for RACK. If you're running big rackmount setups 24/7, don't be a cheapskate and order enterprise-class drives.