Date: Fri, 21 Nov 2008 10:08:24 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Valentin Bud <valentin.bud@gmail.com> Cc: questions@freebsd.org, Marcel Grandemange <thavinci@thavinci.za.net>, Tsu-Fan Cheng <tfcheng@gmail.com> Subject: Re: ZFS Recovery Tools Message-ID: <20081121100702.V21575@wojtek.tensor.gdynia.pl> In-Reply-To: <139b44430811210045k1a27cc1an7c0ea7b0cbbce1d1@mail.gmail.com> References: <02c801c94b40$4b6a2f10$e23e8d30$@za.net> <20081120204756.O16829@wojtek.tensor.gdynia.pl> <f84c38580811201255o1a207f97u8cb4078d03911fa9@mail.gmail.com> <20081120222909.K17356@wojtek.tensor.gdynia.pl> <139b44430811202326j6eafb93fgde2a55c1564da68f@mail.gmail.com> <20081121094146.P19920@wojtek.tensor.gdynia.pl> <139b44430811210045k1a27cc1an7c0ea7b0cbbce1d1@mail.gmail.com>
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>> > Thank you for your explanation. from what i tested 1MB is optimal on modern drives, 2MB doesn't speed up much (if any) but increases latency. use lower values for old drives (<20GB) and low memory (<=64MB) machines
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