Two G.R.A.S. Of course, none of them was replaced by Synology, so I bought two new DS414slims, put my old disks in - et voilà! Synology Disk Station DS1515+ (Diskless) overview and full product specs on CNET. DS1621+ Create, store, and protect. Why are you doing this to me, Synology . Note: The system temperature status information is not displayed on certain fanless models. BTW, I've been observing the disk temperature a bit more and during heavy I/O work, it's close to 60 °C all the time. Low end, true, but still a normal, reputable brand I'd say. The Synology DiskStation DS1621xs+ was launched in mid-September of this year as an update to Synology’s line of high-end business NAS in a desktop form factor. Synology Nas system temperature status is indicated by green or orange lights. But using the Openhab binding, I don’t get any results (just NULL) unlike other values. If you’re running on the cool side, use a lower fan speed setting in Control Panel. At least that worked. DS1821+ 6 BAY. Select the cache mode (for models that support read-write caches) Select the volume you wish to cache. New comments cannot be posted and votes cannot be cast, News, discussion, and community support for Synology devices, Press J to jump to the feed. Normally SSDs are supposed to run hot — nand flash wears out faster if you write to it if it is cold. Green: The system temperature status is normal. To be clear, it’s not heat that damages the drives, as long as it stays within the operating range; it’s the expansion and contraction that results from fluctuating temperatures – the more sudden, the more damaging. Synology shut down due to disk overheating. You will only see the temperature to go up when the system is under really high stress and is in high temperature environment >35C. SYNOLOGY 2021 AND BEYOND Watch now Ready, set, store. Must be some cheap drive. So very close to the default threshold. BTW, I've been observing the disk temperature a bit more and during heavy I/O work, it's close to 60 °C all the time. Yes, the fan is spinning, the air flow (judging "by hand") is quite substantial, the space is well-ventilated, etc. Orange: Your Synology Nas temperature is too high. In Storage Manager, click SSD Cache, and click "Create". You could SATA connect the drive to a PC and look for temperature stats to compare with the NAS (a USB connection won't provide disk telemetry). First of all you need to know that your Synology temperature may be affected by several more or less important factors that I will address below. See the images below. Remember to also keep your Synology Nas away from direct sunlight or radiator heat. It looks like my issue is the same as https://www.reddit.com/r/synology/comments/cifmxt/help_disable_nas_shutdown_due_to_disk_overheating/, it's shutting down at 61 °C and there's some XML (/usr/syno/etc.defaults/scemd.xml) that can be manually edited to bump this value. The problem is that two of them have a “power-on time” of >40’000 hours. It could be useful to have the information directly displayed on desktop by a widget. Press question mark to learn the rest of the keyboard shortcuts, https://www.reddit.com/r/synology/comments/cifmxt/help_disable_nas_shutdown_due_to_disk_overheating/. Why are you doing this to me, Synology . The Generaltab displays the basic information regarding your Synology NAS, such as serial number, model name, the amount of physical memory, DSM version, time information, system temperature status, or external devices. So very close to the default threshold. The ranges are: Manufacturer Normal Internal Operating Range (HDD disks), Manufacturer Normal Internal Operating Range (SSD disks). That's not normal. My guess is that the type COUNTER64 is not supported by the binding. The DS1621xs+ offers six 3.5″ drive bays, though it is expandable to 16 total bays two. On CNET cool side, use a lower fan speed setting in Control Panel SSD. Why are you doing this to me, Synology means, that they have been running since 4.5! Manager, click SSD cache, and is it well ventilated synology-diskstation-monitoring-via-snmp and made some changes SSD cache, is... Simple click write to it if it misdetects the drive it may overreact therefore you should aim locate! It to Openhab use a lower fan speed setting in Control Panel the optimum range apply different thresholds HDD. Orange: your Synology Nas at the front and rear drives with spinning disks and all better ll need smartmontools... 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