From owner-freebsd-fs@freebsd.org Wed Sep 9 01:11:34 2015 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 06C5DA004D4 for ; Wed, 9 Sep 2015 01:11:34 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: from mail-qg0-f49.google.com (mail-qg0-f49.google.com [209.85.192.49]) (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 BE8DC11F3 for ; Wed, 9 Sep 2015 01:11:33 +0000 (UTC) (envelope-from nonesuch@longcount.org) Received: by qgx61 with SMTP id 61so98530037qgx.3 for ; Tue, 08 Sep 2015 18:11:26 -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=1DmmEtoUJ53gFYHYmmF8Adg9a6Ywc+pGYPP4CvJWJx8=; b=gA58QIc7oGHq6Xw86P6JrbaIVTmgdLBsaBYiLliUVHg7FqevA/Vs6j8VcMCaVmul7E aZ6WYva73f4ChTMLPH3yzHvhPhXNoL1OTQOQ2l0gcJjSqukRWSI0cSwJa8nXrSV8PAeV bWNm2Wt4pMzbJsbJpNcu4mE2w1zHFbzUXcWolXMkaC4y0Vxin/NGQxh7u+EAHCEtm1fc +AzcMJ1YbMyYZMnEHW6TKilam+i5w2n+UFDOexeRQaTBJAl3xUBDtoukt+o3zdUJV1U1 yEJIb8cl+BwnM3QZ/qPz3jgsdK3r4A0CEMtBxTkudKaplW/OhZbZu/Of6XfHV5Amy/Tp wOWg== X-Gm-Message-State: ALoCoQm2US04+gNNMHRWfSmj3scBaMUo2CG1MrWOwraItPIcfI45cXEfgHDYUrfhZjn1OUa6xBKT X-Received: by 10.140.94.111 with SMTP id f102mr39610448qge.102.1441761085932; Tue, 08 Sep 2015 18:11:25 -0700 (PDT) Received: from ?IPv6:2600:1017:b417:a4b4:113a:e36f:3d61:2861? ([2600:1017:b417:a4b4:113a:e36f:3d61:2861]) by smtp.gmail.com with ESMTPSA id 4sm2945529qhr.33.2015.09.08.18.11.24 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 08 Sep 2015 18:11:25 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: TRIM support (same bug as linux?) From: Mark Saad X-Mailer: iPhone Mail (12H321) In-Reply-To: <55EF7265.2050309@multiplay.co.uk> Date: Tue, 8 Sep 2015 21:11:24 -0400 Cc: "freebsd-fs@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: <1BCC8B97-6C79-4864-8405-BA687577808A@longcount.org> References: <55EF7265.2050309@multiplay.co.uk> To: Steven Hartland 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, 09 Sep 2015 01:11:34 -0000 > On Sep 8, 2015, at 7:42 PM, Steven Hartland wrot= e: >=20 > Nope FreeBSD is not affected by this. >=20 >> On 09/09/2015 00:15, FF wrote: >> I'm asking a pretty vague question and I apologize in advance, not trying= >> to troll. >>=20 >> The question has to do with whether FreeBSD is using TRIM the same way as= >> recent Linux kernels. >>=20 >> https://blog.algolia.com/when-solid-state-drives-are-not-that-solid/ seem= s >> to imply that there are instabilities that can occur. Trying to avoid >> duplicating effort if this has already been addressed or if its a complet= e >> dead alley because there isn't a commonality. >>=20 >> Thanks in advance! >=20 It would be interesting if anyone could explain the reasons why ufs/ffs and z= fs and FreeBSD are not effected by this issue . My rudimentary understandi= ng of the issue was that it's wasn't just a software glitch in the ext files= ystem and bad firmware but a combination of that and Linux poorly supporting= a ata modes that are not supported at all on FreeBSD . Is that correct ? --- Mark Saad | nonesuch@longcount.org > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"