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Date: Tue, 17 Sep 2013 02:44:05 -0700
Message-ID: <CAN0CFw34jxND868NWoRuD8XkaT5zyySzo37dQgX--DFm+3KYtQ@mail.gmail.com>
Subject: Re: [gentoo-user] ZFS
From: Grant <emailgrant@gmail.com>
To: Gentoo mailing list <gentoo-user@lists.gentoo.org>
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>>> I'm convinced I need 3-disk RAID1 so I can lose 2 drives and keep
>>> running. I'd also like to stripe for performance, resulting in
>>> RAID10. It sounds like most hardware controllers do not support
>>> 6-disk RAID10 so ZFS looks very interesting.
>>>
>>> Can I operate ZFS RAID without a hardware RAID controller?
>>
>> Yes. In fact, that's ZFS' preferred mode of operation (i.e., it
>> handles all redundancy by itself).
>
> I would take it a step further and say that a hardware RAID controller
> actively interferes with ZFS and gets in the way. It gets in the way so
> much that one should not do it at all.
>
> Running the controller in JBOD mode is not a good idea, I'd say it's a
> requirement.
If I go with ZFS I won't have a RAID controller installed at all. One
less point of hardware failure too.
- Grant