🔍 Read the full analysis: What Goes Into Setting Up A 6-Bay NAS For An AI Fleet? on ThorstenMeyerAI.com
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TL;DR
ThorstenMeyerAI.com says repeated iCloud conflict copies nearly filled a database server, prompting the purchase of a six-bay UGREEN NAS. As of November 1, 2026, the NAS is equipped but not connected or configured; its storage plan and backup safeguards have not yet been tested.
ThorstenMeyerAI.com has bought a six-bay UGREEN NAS after duplicate cloud-synced database dumps left one server with just 2% free disk space. The hardware has been equipped but is not yet connected to the network, so the proposed backup system and its safeguards remain a plan—not a tested deployment.
The operator says that on September 17, two machines uploaded database dumps with the same filename to one iCloud folder. The resulting conflict handling produced 29 duplicate copies, nearly filling the database server. On October 29, a nightly cleanup job also timed out while trying to delete old copies. The account says the backup data itself was intact, but managing the synced copies had failed.
The operation runs several Macs: one hosts its main Postgres database, another serves local AI models, and others handle publishing workflows and tests. Measurements taken October 6 put storage use at about 2.6 TB on the main desk machine, 744 GB on the database server and 3.2 TB on the model server. The publisher estimates its current backup requirement at 6–8 TB; much of the model data can be downloaded again.
The purchased setup includes a UGREEN NASync DXP6800 Pro, four Seagate IronWolf Pro 16 TB hard drives and one NVMe SSD. The plan is to use the four hard drives in RAID 6, with about 32 TB usable capacity, and reserve the SSD as a separate pool for containers and test databases. The operator says the remaining two drive bays would allow expansion; filling all six with 16 TB drives in the same RAID arrangement would provide about 64 TB usable, by the article’s estimate.
Infographic 01 · The box
Six bays, two fast slots, two 10GbE ports
What UGREEN lists for the NASync DXP6800 Pro, and how we plan to fill it.
How we fill it
Delivered and equipped; the setup is our plan (1 Nov 2026)
Bays 1–4: Seagate IronWolf Pro 16 TB, RAID 6, Btrfs → ≈ 32 TB usable, any two drives may fail. Bays 5–6: free for growth. M.2 slot 1: the NVMe SSD (ordered: Samsung 990 Pro 1 TB) as its own fast pool. Slot 2: free. Six 16 TB drives in RAID 6 would give ≈ 64 TB.
What else UGREEN lists
From the product page, not measured by us
- Separate 128 GB SSD for the operating system, UGOS
- RAID: JBOD, Basic, 0, 1, 5, 6, 10
- 1× PCIe x4 · 2× Thunderbolt 4 · 8K HDMI · SD card reader
- Power: 43.07 W drives in use · 24.91 W drives in hibernation
- Stated maximum: 208 TB with 32 TB drives · 3-year warranty
Why six bays: with RAID 6, two drives always hold parity. In four bays that leaves half the raw space usable; with all six bays filled it becomes two thirds.
Sources: UGREEN DXP6800 Pro product page, checked 1 Nov 2026; Seagate IronWolf Pro data sheet DS2129.4; our setup plan, 6 Oct 2026.
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A Local Copy for Faster Recovery
The proposed NAS addresses two different problems: keeping a local backup separate from the machines it protects, and restoring large files without first retrieving them over an internet connection. The publisher says a NAS cannot prevent the database server’s reported kernel panics, which have recurred since August, but a local restore could reduce recovery time compared with a cloud download.
The plan also separates backup from synchronization. A sync service can reproduce deletions or unwanted changes across locations; a backup system needs recovery points that remain available after an error. The publisher proposes daily snapshots that the Mac backup accounts cannot access or delete, alongside an encrypted offsite copy. This layered design is intended to limit the consequences of a mistaken deletion, damaged server or local hardware failure.
The distinction matters to small AI operations as well as larger firms: model files may be replaceable, while databases, publishing work and project data may not be. A NAS can provide another copy and faster local access, but it does not by itself establish that files can be restored or that an offsite copy is protected.
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From Sync Conflicts to NAS Planning
The publisher describes its previous arrangement as Time Machine disks on two Macs, plus an iCloud copy of a nightly database dump. The September duplicate-file incident showed that a synced folder was not serving as a clean, independent backup in this case. The source also cites UGREEN’s help center, which says deletion in one location in its Cloud Drives app’s two-way sync is reflected on the other side.
The planned safeguards follow the familiar 3-2-1 backup approach: multiple copies, different types of storage and an offsite copy. The NAS would provide an on-site storage target, while the proposed restic backup to Backblaze B2 would be encrypted and protected from deletion with Object Lock. The specific configuration and recovery process have not yet been demonstrated.
The operator says the NAS was bought with personal funds; UGREEN did not provide a sample or sponsor the article. The article is not presented as a product review or long-term test. Product specifications are attributed to UGREEN and Seagate, while storage measurements are described as the publisher’s own.
“A sync service is not a backup.”
— Thorsten Meyer, ThorstenMeyerAI.com
Deployment Tests Still Pending
The NAS has not been connected or configured as of November 1, 2026. The planned Time Machine test using a non-admin account and the test of snapshots inaccessible to that account have not run. The publisher says either failure would mean returning the NAS, so the design’s practical performance and usability remain unconfirmed.
It is also unclear how long full restores would take, whether the planned network and storage configuration will meet the operation’s needs, and how reliably the offsite copy can be recovered. RAID 6 is intended to tolerate the failure of two drives, but it is not a substitute for an independent backup. The source says the current backup routine remains in place while setup is pending.
Acceptance Tests Before Rollout
The next step is to connect and configure the NAS, then test Time Machine access through a non-admin account and verify that daily snapshots cannot be seen or deleted by those accounts. The operator has said the system will not be adopted if either test fails.
If the tests pass, the stated plan is to schedule disk-heavy work between 20:00 and 06:00, keep the drives asleep during the working day, and use the hard-drive pool for backups while placing containers and test databases on the separate NVMe pool. The publisher says it will report real results after the system is running; until then, no performance or recovery outcome has been established.
Key Questions
What caused the database server to run low on storage?
The publisher says two machines saved database dumps with the same filename to an iCloud folder. It reports that 29 conflict copies accumulated and left the server with 2% free disk space.
Is the six-bay NAS already backing up the AI fleet?
No. As of November 1, 2026, the NAS had been delivered and fitted with drives, but was not on the network or set up. Existing backups were still running through Time Machine disks and an iCloud database-dump copy.
How much storage is planned for the initial setup?
The plan uses four 16 TB hard drives in RAID 6, for about 32 TB usable capacity according to the publisher. A separate NVMe SSD is intended for containers and test databases.
What safeguards are planned beyond RAID?
The proposed design includes separate non-admin Mac backup accounts with quotas, daily snapshots those accounts cannot access or delete, and an encrypted offsite copy using restic to Backblaze B2 with Object Lock. These measures have not yet been tested.
What must happen before the NAS is adopted?
The NAS must pass two stated checks: a Time Machine backup using a non-admin account and a test showing that account cannot access or delete snapshots. The operator says the NAS will be returned if either test fails.
Source: ThorstenMeyerAI.com
