Date: Thu, 26 May 2016 15:29:21 +0200 From: Gary Jennejohn <gljennjohn@gmail.com> To: "Kenneth D. Merry" <ken@FreeBSD.ORG> Cc: current@freebsd.org Subject: Re: Recognizing SMR HDDs Message-ID: <20160526152921.1c91f61a@ernst.home> In-Reply-To: <20160526123445.GA2105@mithlond.kdm.org> References: <20160526084253.6588938f@ernst.home> <20160526123445.GA2105@mithlond.kdm.org>
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On Thu, 26 May 2016 08:34:45 -0400 "Kenneth D. Merry" <ken@FreeBSD.ORG> wrote: > On Thu, May 26, 2016 at 08:42:53 +0200, Gary Jennejohn wrote: > What kind of drive is it? > ST8000AS 0002-1NA17Z 0X03 > Here are some things you can do on any disk to see what it is: > > diskinfo -v /dev/daX > I don't have the new versions of these utilities installed, so I can't get any of this neat diskinfo/zonectl information. > # sysctl kern.cam.da.19 > kern.cam.da.19.sort_io_queue: -1 > kern.cam.da.19.rotating: 1 > kern.cam.da.19.unmapped_io: 1 > kern.cam.da.19.error_inject: 0 > [ begin SMR fields ] > kern.cam.da.19.max_seq_zones: 0 > kern.cam.da.19.optimal_nonseq_zones: 0 > kern.cam.da.19.optimal_seq_zones: 0 > kern.cam.da.19.zone_support: None > kern.cam.da.19.zone_mode: Drive Managed > [ begin SMR fields ] > kern.cam.da.19.minimum_cmd_size: 6 > kern.cam.da.19.delete_max: 262144 > kern.cam.da.19.delete_method: NONE > My drive shows this; sysctl kern.cam.da.0 kern.cam.da.0.sort_io_queue: -1 kern.cam.da.0.rotating: 1 kern.cam.da.0.unmapped_io: 0 kern.cam.da.0.error_inject: 0 kern.cam.da.0.max_seq_zones: 0 kern.cam.da.0.optimal_nonseq_zones: 0 kern.cam.da.0.optimal_seq_zones: 0 kern.cam.da.0.zone_support: None kern.cam.da.0.zone_mode: Not Zoned <== I guess it can't be managed kern.cam.da.0.minimum_cmd_size: 10 kern.cam.da.0.delete_max: 131072 kern.cam.da.0.delete_method: NONE In fact, the ouput for every one of the 4 drives in the enclosure is the same, even though the other three are non-SMR SATA drives. -- Gary Jennejohn
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