It's A Digital Disease!

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bOt@zerobytes.monster

4 drive RAIDZ1 vs 6 drive RAIDZ2 vs mirrors with reliability as the main concern? (zerobytes.monster)

submitted 8 months ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster

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The original post: /r/datahoarder by /u/Firestarter321 on 2025-01-05 15:31:36.

This is actually for work, however, I’m wondering what people’s thoughts are.

It’s just for a NAS that hosts backups with no databases or VM’s. The only like data is for a bookkeeping file storage system that isn’t I/O intensive.

We have 14TB MG07, EXOS X14, and HC530 drives to use for the project.

The machine has an E5-1680 V4 CPU and 128GB of RAM with an SFP+ card installed and is running TrueNAS Scale.

There will be a twin machine offsite to back up the main machine to using ZFS replication.

I‘ve used mirrors everywhere else I’ve used ZFS (mainly Proxmox) but I’m wondering if RAIDZ1 or RAIDZ2 would be a better option in this case?

Even using mirrors would provide 84 TB of usable storage which is 3.5X what we have currently and will be more than adequate for the next 5+ years.

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