Manage MySQL on a Synology DS409slim

Here’s the way to install, run and manage MySQL on a Synology DS409slim.
My DiskStation runs DSM 3.1-1748.

First of all, activate the MySQL dæmon:

  • From the Control Panel, choose the Web Services ;
  • Enable Web Station and Enable MySQL ;

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Expand a Synology Hybrid RAID volume

I own a Synology DS409slim with two 1TB Toshiba and two 500GB Western Digital disks. Configured using SHR (Synology Hybrid RAID), it allows one volume split on those four disks. I bought this NAS because it uses 2.5″ disks and because of the SHR feature.

I had one 1TB Toshiba in my MacBook but I took it off and planned on putting it in the NAS, replacing one of the 500GB disk. Here’s what happened.
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What to use deduplication for?

I recently discover a storage feature named “Data deduplication” also called “Deduplication”.

Quoting Wikipedia:

In computing, data deduplication is a specialized data compression technique for eliminating coarse-grained redundant data, typically to improve storage utilization. In the deduplication process, duplicate data is deleted, leaving only one copy of the data to be stored, along with references to the unique copy of data. Deduplication is able to reduce the required storage capacity since only the unique data is stored.

I was first thinking “well, a video/document/… is a file ; and a file is a sets of 0 and/or 1. Like a ZIP archive doesn’t care if it stores pictures or text files, I may be able to use deduplication to store my 32GB of personnal pictures into a smaller storage size… sounds great!”. That’s what I want to figure out.
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