It's A Digital Disease!

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Migrate from Unraid to OMV, SnapRAID, mergerfs. How to keep hard links, that span between two drives? (zerobytes.monster)

submitted 2 years ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster

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The original post: /r/datahoarder by /u/ChrisWreck on 2024-06-20 17:15:01.

I'm in the middle of migrating from Unraid to OpenMediaVault, where I'll be using Snapraid and mergerfs.

I have 3 disks, one parity and two data drives. They're using XFS in Unraid. I want to use ext4 in OMV.

I have formatted the parity drive to ext4, and planned to move data from disk 1 to the parity drive, then format disk 1 to ext4, and then move all data from disk 2 to disk 1 and make disk 2 the new parity drive for SnapRAID.

However, I just realized I have hard links from the arr suite, spanning over both data disks ...

How can I migrate and preserve the hard links? Preferably without having to move all data to one disk in Unraid before migrating.

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