Date: Tue, 02 Dec 2025 15:11:32 +0000 From: "Dave Cottlehuber" <dch@skunkwerks.at> To: freebsd-fs <freebsd-fs@freebsd.org>, void <void@f-m.fm> Subject: Re: zpool setup clarification Message-ID: <b4b75e5e-071c-446f-8298-25f41a609334@app.fastmail.com> In-Reply-To: <aSxnG-HKDYZ0L3lQ@int21h> References: <aSxnG-HKDYZ0L3lQ@int21h>
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On Sun, 30 Nov 2025, at 15:47, void wrote: > Hi, > > Is there any benefit in setting (via gpart, firstly) > GPT and then freebsd-zfs as the partition type) instead of > directly allocating the disk device to the zpool? > > This would be a single device zpool (so, a 'stripe' config) > It's not a boot device or part of a mirror config. I have a strong preference for putting down GPT partitions simply so that other non-ZFS aware tools do not think its a blank / unformatted device. I believe there is no difference in performance with either approach, so long as partitions are 4K aligned (or whatever the sector size of the drive is), this can be ashift 12 or even 13 these days. https://openzfs.github.io/openzfs-docs/Performance%20and%20Tuning/Workload%20Tuning.html#whole-disks-versus-partitions wasn't so clear for me. A+ Dave
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