Thunderstorms? Earthquakes? Natural disasters or whatever? An UPS could be the ideal solution that allows you to stay online in case of a power failure. If you run a web server with an online website, it is a must-have. It doesn’t matter what you think, you can’t predict when the power goes out.
An Uninterruptible Power Supply (UPS) protects you not only from blackouts but also fluctuations in the supply – power surges and dips or brownouts. Blackouts are not good for your data (you may have a database update underway when the power goes out). Blackouts, brownouts or power surges are not kind to electronics. The risk of these events can be substantially greater if your power company supply is delivered using overhead cables. These are much more susceptible to interruptions and fluctuations. For example, in Romania in the rural area where I live, power cuts are almost a daily occurrence.
A suitable UPS costs less a disk. Think of it as insurance. In fact, it may actually be insurance, because UPS vendors such as APC provide insurance cover for equipment damage that is not prevented by the UPS. Actually my UPS is a CyberPower model: CYBERPOWER Gaming UPS 1500VA\900W LCD 2xUSB 6 x Schuko. If the power goes out, my Cyberpower UPS is capable of keeping my entire system, my Synology Nas DS718 + and my router, online for 5 hours.
When you buy an UPS, always choose a good one – not the cheapest brand, but a good quality one like the Cyberpower or APC. Ideally, don’t go for the cheapest model in the range either, but an intermediary model price-wise.
It isn’t just about the NAS. Data writing operations need more than just the DiskStation. You need UPS protection for your router, switches and your desktop computer if you’re using one. If you can’t connect them to the same UPS as the DiskStation, you’ll need separate ones. Due to its power requirements, it’s probably best to have a dedicated UPS for a desktop PC too.
I have my Synology NAS, Desktop PC, router and intermediate switch connected to the same UPS, so that they will all stay up as long as possible in case of a power outage. This allows the DiskStation to send an email alert about the power outage, so that you can perform a safe shutdown of other equipment. The larger the battery capacity, the longer the run-time you will get, although if you set the DiskStation to shutdown after say 15 minutes, you don’t need to go mad with the UPS spec.
Setting up an UPS with Synology DiskStation
Your UPS should come with a special USB cable to connect it to the DiskStation. Once that is done, the DiskStation should automatically detect the UPS. To activate the UPS through NAS go to:
Control Panel > Hardware & Power > UPS > Check this options: Enable UPS support and Enable network UPS server
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