Deduplication for HDD #69
Replies: 2 comments
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Without knowing why Synology decided not allow it to be used for hard drives I decided to mark running deduplication on HDDs as dangerous. e.g. At your own risk, and don't blame me if something goes wrong. Maybe Synology have not tested it or did test it and decided not to implement it for some reason. The reason could be they thought it takes too long. I've tested it on a HDD and it worked as it should. People do use this script to deduplicate HDDs and none have reported anything bad happening. |
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One more reason for Synology not allowing it for HDDs could be: Accessing fragmented data affects the performance of HDDs more than SSDs. And this is something I can live with for my HDD volumes that are used for archiving and backups. |
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Does it make sense to use deduplication for HDDs? In the manual, it's marked "dangerous". Synology also does not allow it to be used for hard drives. What are the dangers of using this script for HDDs?
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