Date: Wed, 16 Jan 2019 14:13:08 +0000 From: Matthew Seaman <matthew@FreeBSD.org> To: freebsd-questions@freebsd.org Subject: Re: ZFS for raid Message-ID: <fe83cb53-3207-2d36-d499-26a41646a11c@FreeBSD.org> In-Reply-To: <4BCA5FF06C331FA017C7B503@Pauls-MacBook-Pro.local> References: <C14417F519F44EC85540C618@Pauls-MacBook-Pro.local> <20190115225728.GA64342@geeks.org> <4BCA5FF06C331FA017C7B503@Pauls-MacBook-Pro.local>
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On 16/01/2019 00:33, Paul Schmehl wrote: > Thank you Shawn, Matthew, John, and Doug for your responses. I will > start reading up on ZFS. The advice about an HBA and a small boot raid > plus data drives was very helpful as well as the comments about needing > plenty of ram. In my experience, you can just build a zpool and use it to both boot from and to hold all your data. Creating small boot RAIDs is unnecessary. The only exception to this is when you want a zpool that consists of so many disks the BIOS cannot see them all, in which case you need a smaller pool or somesuch to boot from. It is generally a bad idea to mix serious usage of ZFS and UFS in the same server: the different filesystems will tend to fight with each other over access to memory for caching, and performance will suffer. Cheers, Matthew
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