![]() ![]() When finished, the system returns to normal. Now would be a good time to double-check that your NAS isn’t already busy with something else.Ĭheck out how many files it finds fragmented.įeel free to gawk at all the resource use. Log in to DSMĬlick manage on the top toolbar to bring up a set of management tasks.Ĭheck the bottom-most box for defragmentation, then hit Next. It’s best to perform a defragment during times of low volume activity, such as overnight or on the weekends (depending on your circumstances). You should note that your NAS volume will perform poorly during the defragment. It’s beneficial to defragment your Synology volume, especially if you have many clients constantly reading and writing to the device. If you host large files like movies/videos/ISOs/archives etc and you read+write to your NAS frequently, chances are some of those files are fragmented. ![]() I chose to defragment my Synology at home, too. That being said, if the disks are heavily fragmented, they will perform poorly by attempting to piece together a file block by block which is spread across physical media. In this scenario, with the sequential I/O turned off, the SSDs would be utilized only for random I/O and therefore the disks would be more available for serving data directly and sequentially. This Synology had 2x Samsung 850 Pro SSDs in RAID-0 serving a cache, but the cache will be skipped for sequential I/O. In the process of optimizing a Synology DS1815+ for iSCSI, I opted to defragment the volume containing the LUN.
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