Date: Fri, 12 Sep 2014 13:23:31 -0400 From: Mike Tancsa <mike@sentex.net> To: Steven Hartland <killing@multiplay.co.uk>, Willem Jan Withagen <wjw@digiware.nl>, Peter Wemm <peter@wemm.org>, freebsd-stable@freebsd.org Cc: Andriy Gapon <avg@freebsd.org>, Aristedes Maniatis <ari@ish.com.au> Subject: Re: getting to 4K disk blocks in ZFS Message-ID: <54132C13.6060605@sentex.net> In-Reply-To: <EC1EE440B161449CA1A578DBCCEEA274@multiplay.co.uk> References: <540FF3C4.6010305@ish.com.au> <A0A549F7A4094F519A3660697AB4983F@multiplay.co.uk> <54114029.3060507@FreeBSD.org> <2128347.Ah5i0RTCvp@overcee.wemm.org> <541230F1.3060402@digiware.nl> <EC1EE440B161449CA1A578DBCCEEA274@multiplay.co.uk>
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On 9/12/2014 4:17 AM, Steven Hartland wrote: >> >> I reported the same fact for the new set of WD REDs I installed. >> Seems that ada and da have different quirks tables... >> So disks on SATA connectors on the motherboard are diagnosed as being >> 4Kb. >> The disks on my twa don't get the quirk and are considered 512b > > LMK the ident strings and I'll look to update the quirks tables. How does it work for controllers like mfi ? The disks come up as mfisyspd# They are supposedly 4K drives (when attached to ada). If I set vfs.zfs.min_auto_ashift=12 will it "fix" the problem ? === START OF INFORMATION SECTION === Model Family: Samsung based SSDs Device Model: Samsung SSD 840 PRO Series Serial Number: S1ANNSAF225154J LU WWN Device Id: 5 002538 5a01d79fd Firmware Version: DXM05B0Q User Capacity: 128,035,676,160 bytes [128 GB] Sector Size: 512 bytes logical/physical Rotation Rate: Solid State Device Device is: In smartctl database [for details use: -P show] ATA Version is: ACS-2, ATA8-ACS T13/1699-D revision 4c SATA Version is: SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s) Local Time is: Fri Sep 12 09:17:42 2014 EDT SMART support is: Available - device has SMART capability. SMART support is: Enabled # mfiutil show drives mfi0 Physical Drives: 8 ( 119G) JBOD <Samsung SSD 840 5B0Q serial=S1ANNSAF225154J> SATA E1:S1 9 ( 119G) JBOD <Samsung SSD 840 5B0Q serial=S1ANNSAF225153X> SATA E1:S0 10 ( 119G) JBOD <Samsung SSD 840 5B0Q serial=S1ANNSAF225159P> SATA E1:S3 11 ( 119G) JBOD <Samsung SSD 840 5B0Q serial=S1ANNSAF225160E> SATA E1:S2 ---Mik3 -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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