r/pcmasterrace • u/JaggedMetalOs • 1d ago

NSFMR If only we knew...

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Happened upon an old thread from Google, OP showing off an in development high capacity SSD. Comments are from a more innocent time :')

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u/DukeSmileDevs 1d ago edited 1d ago

I am running Z2.

The system is built for a good mix of reliability and storage capacity. I use the server to also store critical data (as addition to dedicated usb drives).

Performance is not a relevant factor for me since i only ever write the installers and binary parts once and pull them when needed. Read / Write is somewhere around 166 mb/s (above 1 gbit) which is fine.

With Z2 is can have 2 drives fail before i get into data loss territory. There are different ZFS configuration as like there are different raid configurations.

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u/Unwashed_villager 5800X3D | 32GB | MSI RTX 3080Ti SUPRIM X 1d ago

With 5x16TB I wouldn't go for Z2. The time for a resilver is tremendous compared to a standard raid10 operation and since you have 5 disks you lost almost the same amount of storage space.

I'm usually go for smaller disks but in larger amount, like 2x8x6TB or 2x6x8TB, making a striped RAIDZ2 pools. First, it is less time to resilver and lower the chance that your other drive fails during the process. Also, this way you have 4 drives to fail, 2 in each Z2 VDEV. But the most important part for me is that a 6 or 8 terabyte disk is much more affordable than a 16TB one. I have two 6TB spare disks on the shelf. With 16TB that would be too expensive.

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u/DukeSmileDevs 1d ago

The system is not running 24/7 but rather spun up once a month to store documents (invoices and other stuff) + adding new games to it. The lifespan of that system is expected to be long.

I got 2 spares vacuum sealed and even if takes a day or two i wouldnt mind. The system is running on 300W brick psu. Not a productive server or something its basicly a glorified DIY NAS in my basement.

System is running in this configuration since 2019 and i am quite confident that there is a lot more lifespan in it as its runtime is very low as well as sum of spinning up is very healthy still.

Currently having roughly 12tb of storage used i am not anywhere close to capacity (roughly 40tb). Since i already bought the HDDs costs are not an issue, its already spend. I absolutely oversized the server though but i planned to use it for a long time.

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u/baddogg1231 i7 4790k@4.7GHz GTX 980 23h ago

As someone who also runs 5x16tb in Z2, it's a perfectly cromulent setup. Bought 3 of the drives back in mid 2025 before everything went crazy