RAIDZ1 or Mirror?

  • Not sure if a raidz1 is possible with only two drives. I thought it must be at least 3. Anyway if you want to use two drives, a zmirror is way better - easy resilvering, great performance.


    More of them: ZFS: You should use mirror vdevs, not RAIDZ.

    OMV 3.0.100 (Gray style)

    ASRock Rack C2550D4I C0-stepping - 16GB ECC - 6x WD RED 3TB (ZFS 2x3 Striped RaidZ1) - Fractal Design Node 304 -

    3x WD80EMAZ Snapraid / MergerFS-pool via eSATA - 4-Bay ICYCube MB561U3S-4S with fan-mod

  • Not sure if a raidz1 is possible with only two drives. I thought it must be at least 3. Anyway if you want to use two drives, a zmirror is way better - easy resilvering, great performance.


    More of them: ZFS: You should use mirror vdevs, not RAIDZ.

    I was doing some research and I just figured this out, so thanks for confirming it. I assumed that RAIDZ1 could be done with two disks, but it looks like it's going to be mirroring for me.

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