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I am thinkig of dedicating PC for home NAS.
Considering Rockstor or XigmaNAS. I have 2 identical disks and raid chip onboard.
Here is question: is it posible to have one partition in mirroring mode (eg raid1) for personal stuff. And rest of space in regullar use (raid0)?
I know raid shuould not be considered as backup strategy but it would give me a piece of mind.

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  • Using a disk in multiple raid configurations will kill any performance gains you are going to get by using RAID 0. Just create one large drive in RAID 1 and partition it.
    – Bert
    Feb 1, 2021 at 13:09

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You generally should be able tp create several different arrays on the same disks. For example, on a computer which has 2x WD 10TB Golds you can make with 1/4 of the space a RAID 1 for redundancy and the rest of 3/4 RAID 0 for performance.

This used to work even on ICH10 controller series. It really depends on the controller, so yours could support that too.

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