From owner-freebsd-fs@FreeBSD.ORG Wed Jun 17 21:46:10 2015 Return-Path: Delivered-To: freebsd-fs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id ADA3D21C for ; Wed, 17 Jun 2015 21:46:10 +0000 (UTC) (envelope-from steven@multiplay.co.uk) Received: from mail-pa0-f53.google.com (mail-pa0-f53.google.com [209.85.220.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8533AA3D for ; Wed, 17 Jun 2015 21:46:10 +0000 (UTC) (envelope-from steven@multiplay.co.uk) Received: by padev16 with SMTP id ev16so45393242pad.0 for ; Wed, 17 Jun 2015 14:46:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:cc:content-transfer-encoding:message-id:references :to; bh=nBG1fFA41pnWaEjJpGQzm0kMJ4bhBi4uVPaXlBw8yPU=; b=jSKMUybaRsJkQHMLU8+/XFWDGH0L/yyuM075Yq3LCaDniXIYwa7wA+7LAC64i/KOyF GdK/OYP07kbg0ys1Il3eeJFrFkmSUL/9mC3hpcmC9lJAH22/NhUgnCAzddeOqj8a/aUS DCbeM4apOHtebqQmp97ghRG6zCkMomjO3sDiOmHJQO2aE+Fc8dlAqEZVPaNBKYUyebDK 7L6jsxovENB8HlLxFZNrFyycdXquO+FKzku0rRpzeeGy/3cyUzTVVuHpDOD77rFBk+GR y3fE0usWvHeV7tzwjtL6s1z7Z7+Pv1FchLGA3M2bXufWQs/3A8Jom6kGxwsxAWfN2lwI DRGw== X-Gm-Message-State: ALoCoQn3c6Zvlx/mRK0h0IlSk5fTPsz/uwBTER0EaAkT1C6i1bAzf5og+HlJANtHcmTXTbG87tSw X-Received: by 10.70.33.67 with SMTP id p3mr14865026pdi.126.1434577206097; Wed, 17 Jun 2015 14:40:06 -0700 (PDT) Received: from ?IPv6:2602:306:c4aa:cfc0:7c50:77a5:d6fa:8d13? ([2602:306:c4aa:cfc0:7c50:77a5:d6fa:8d13]) by mx.google.com with ESMTPSA id om4sm5717224pdb.68.2015.06.17.14.40.03 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 17 Jun 2015 14:40:04 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: TRIM erases user data From: steven@multiplay.co.uk X-Mailer: iPad Mail (12F69) In-Reply-To: Date: Wed, 17 Jun 2015 14:40:02 -0700 Cc: "freebsd-fs@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: <49FEE0B5-D924-4FB6-889B-54F18667239B@multiplay.co.uk> References: To: grarpamp X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jun 2015 21:46:10 -0000 This issue centers around queued TRIM requests at the ATA layer, which is an= extension that allows NCQ support for TRIM in the SATA 3.1 spec. This is no= t something FreeBSD currently supports so is unaffected by the issue at this= time. Sent from my iPad > On 16 Jun 2015, at 18:51, grarpamp wrote: >=20 > https://blog.algolia.com/when-solid-state-drives-are-not-that-solid/ > https://github.com/torvalds/linux/blob/e64f638483a21105c7ce330d543fa1f1c35= b5bc7/drivers/ata/libata-core.c#L4109-L4286 > http://www.aerospike.com/docs/operations/plan/ssd/ssd_certification.html > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"