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Selfhosted @lemmy.world Svinhufvud @sopuli.xyz

RAID array filesystem recommendations

I am planning on creating a home server with either 2 (RAID1) or 3 (RAID5) HDDs as bulk storage and 1 SSD as bcache.

The question is, what file system should I use for the HDDs? I am thinking of ext4 or xfs, as I heard btrfs is not recommended for my use case for some reason.

Do you all have some advice to give on what file system to use, as well as some other tips?

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  • Many suggest zfs, I want to spend a word on ext4 instead. Solid, reliable, well proven. Does the job and works pretty well.

    Been on ext4 on RAID1 for decades, since it got stable. Never had an issue, except when I borked it by my mistake.

    It has maybe less features than zfs, but doesn't need external kernel patches or complex tools, and again its solid, well proven and very stable

    Edit: ext4 on top of Linux software raid (mdadm)

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