Date: Thu, 18 Aug 2011 18:28:04 -0700 From: Yuri <yuri@rawbw.com> To: freebsd-stable@freebsd.org Subject: Re: WD Advanced Format: do I need to do something special? Message-ID: <4E4DBC24.1070007@rawbw.com> In-Reply-To: <4E4CD19E.5070108@rawbw.com> References: <4E4CD19E.5070108@rawbw.com>
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Following instructions here (http://ivoras.net/blog/tree/2011-01-01.freebsd-on-4k-sector-drives.html) I destroyed my previous ZFS pool with 512 byte sectors and did this: gnop create -S 4096 /dev/ad4 zpool create mypool /dev/ad4.nop zpol create mypool/mydir zpool export mypool gnop destroy /dev/ad4.nop zpool import mypool Now this command 'zdb -C data | grep ashift' shows ashift=12 (4096 byte sectors). However, when I begin to copy a lot of files files into /mypool/mydir online radio player gets severely affected. Sound get interrupted all the time. Itrettuptions stop after 1-2 secs after I stop copying. This didn't happen with sector size 512 bytes. What is wrong? Yuri
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