Date: Tue, 8 Sep 2020 22:31:47 +0200 From: Niclas Zeising <zeising+freebsd@daemonic.se> To: Matthew Macy <mmacy@freebsd.org>, Graham Perrin <grahamperrin@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: vfs.zfs.min_auto_ashift and OpenZFS Message-ID: <37b914c8-6fb6-7c1c-9497-ae1402b8dd40@daemonic.se> In-Reply-To: <CAPrugNpXXPjdoLsszZwwkpooDrt44gfguJfvK4qQWEUSD7%2BhZg@mail.gmail.com> References: <9592fb23-ef97-f0a2-5968-f10ae404e761@gmail.com> <CAPrugNpXXPjdoLsszZwwkpooDrt44gfguJfvK4qQWEUSD7%2BhZg@mail.gmail.com>
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On 2020-05-02 02:20, Matthew Macy wrote: > OpenZFS doesn't have the same ashift optimization logic that FreeBSD > has. It's something that needs to be resolved before the code can be > integrated downstream. So currently all pools created with OpenZFS will use 512 bit alignment, at least if the underlying storage device uses 512bit sectors (which most drives tend to do)? If this is the case, it feels like a pessimisation. Regards -- Niclas
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