Upgrading to Synology DS918+ (Questions)

Server Version#: 1.13.5.5291
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Hey all. I’m a Plex lifetime member upgrading my home plex server from a standard direct attached storage device to a Synology DS918+ NAS. In the DS918+ I’ll be using 4 (12 TB) WD Gold 7200 RPM Drives and setting them up as one disk pool striped with Raid 5.

The question I have is that over the years I’ve added a lot of custom metadata/tags/lists/collections/etc and I want to make sure I’m able to migrate all that over to the Synology NAS without issue. Anyone done this process before and able to give me some tips?

I’ve read this article-
https://support.plex.tv/articles/201370363-move-an-install-to-another-system/

…but I’m a little confused how/where to specifically place the new plex metadata files onto the new system (Synology NAS). Anyone have any tips?

Thanks for the help. I’m dead set on using Raid 5 for the disk pool. I realize that it’s likely overkill for what I’m doing, but there’s the possibility that I will want to use this volume in the future for other personal projects (which will need Raid 5 disk parity).

Thank you so much for pointing me to Q25. That appears to have the answers I need. Thank you.

The WD Gold Drives I’ve bought are top of the line. I got a good deal on them too through B and H.

A UPS is a good idea. Hadn’t thought about that.

Thank you. I was initially planning on using BTRFS, but upon further research looks like EXT4 is the obviously better choice. I’m not much of a linux guy, but my understanding is that all the initial setup is done through Synology’s set-up software.

Really? But all the advice I’ve had suggest to use BTRFS when setting up a new Synology NAS. The reason is because I’m planning on using a shared folder for Time Machine backups from my Mac which requires setting a quota size on the folder - so that the Mac doesn’t just fill up the entire volume with Time Machine backups. I was told EXT4 means I can’t set quota limits on shared folders. Is that correct?

If I may supply some info?

  1. EXT4 allows quotas just as BTRFS does. Quotas are imposed by the OS, not the file system.
  2. BTRFS is a form of RAID because it contains additional data (metadata) for parity and consistency checking just as a RAID volume does.

When you create a RAID set, you are establishing a parity drive (RAID 5) or two parity drives (RAID 6) to handle your redundancy and provide consistency checking.

BTRFS formatting embeds this additional data by its nature.

Therefore, why double up on parity data and scrub a BTRFS file system on a RAID volume which itself is going to be scrubbed monthly?

Respectfully, there is no logic in this.

This having been said, BTRFS formatting, for Single Disk Volumes (JBOD) is the way to do it. You have some protection and any protection is better than none.

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