Migrating from one QNAP NAS to another.

John Wheeler
6 min readDec 27, 2020

I purchased a QNAP TS-419P+ nearly a decade ago as my primary storage device using NFS to share files between different computers. This devices houses media for my Plex server, backups, and other digital junk.

Original QNAP TS-419P+ config

The device worked without issue until around 2014, when I had one of the 2TB drives fail. I was running RAID 5 across all 4 drives so I just needed to locate a new drive and replace it. Instead of just replacing the drive with a similar drive, I took the opportunity to expand the storage by acquiring 4TB hard drives. Backblaze does a great job of publishing drive failure data and this helped influence my purchase decision on both manufacturer and model and I ended up purchasing Hitachi HDS724040ALE640 drives. I was also aware that there is anecdotal evidence of drives that fail in batches. My RAID 5 couldn’t suffer more than one drive failure so began replacing my original 2TB dives with 4TB drives purchasing one every few months. Once I had all the drives replaces, I was able to expand the storage space and realize a full 10TB of RAID 5 storage.

Other than upgrading my drives and expanding the storage, the device has run without issue. In early 2019 I was reviewing the release…

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John Wheeler
John Wheeler

Written by John Wheeler

Security professional, Mac enthusiast, writing code when I have to.