system dataset gets 2GB of writes per hour! That’s ~100x more writes! On the order of 2 to 3 GBs per week.Īfter talking with a Freenas forum member who had a FreeNAS box that was used more heavily, they informed me that their FreeNAS. system dataset would be written to rather lightly. My logic being was that my FreeNAS box gets very light usage. When I originally wrote this, my choice was a SanDisk Ultra Fit 16GB drive which I had laying around after the review I wrote on it a few months ago. Here is is: Attach a USB Flash drive or an SSD system file/folder could be relocated to an SSD or a USB flash drive and that this would allow the drives to fully go idle and allow the spin down commands to work.Īfter much tinkering, I came up with a method for getting my drives to go spin down after being idle for a few minutes. Fortunately, someone alluded to a fix for the problem by noting that the. Some of the posts were generally dismissive of the idea of saving 15 watts per hour by spinning down the 4 hard drives in somebody’s array. Looking around the Internet, I came up with a page about the inability to spin down drives on the FreeNAS forums as it seems some other people were having the same problem. But again, FreeNAS has changed the default install to put the system log (which it writes somewhat regularly to) on the very drives you’re trying to spin down. (read: spinning down your hard drives when they’re not being used.) And prior to FreeNAS 9.x, it was pretty easy to get the drives to go into Standby mode using a few commands. Unfortunately, FreeNAS isn’t very good at the power-saving thing. (Previously, the upgrade process was manual and kind of a pain in the neck.) Recently, it was updated to version 9.3 which contained a lot of great improvements including automatic updates over the network. FreeNAS is a pretty great (and free!) Network Attached Storage system.
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