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[209.132.180.67]) by mx.google.com with ESMTP id z44si342761edz.211.2019.10.25.02.38.07; Fri, 25 Oct 2019 02:38:31 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438911AbfJXKno (ORCPT + 99 others); Thu, 24 Oct 2019 06:43:44 -0400 Received: from mx3.molgen.mpg.de ([141.14.17.11]:53251 "EHLO mx1.molgen.mpg.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2436873AbfJXKno (ORCPT ); Thu, 24 Oct 2019 06:43:44 -0400 Received: from rabammel.molgen.mpg.de (rabammel.molgen.mpg.de [141.14.30.220]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: pmenzel) by mx.molgen.mpg.de (Postfix) with ESMTPSA id 14EFD20225AE5; Thu, 24 Oct 2019 12:43:41 +0200 (CEST) To: linux-fsdevel@vger.kernel.org From: Paul Menzel Subject: File system for scratch space (in HPC cluster) Cc: Linux Kernel Mailing List , Donald Buczek Message-ID: Date: Thu, 24 Oct 2019 12:43:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.0 MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms010500030907080103060002" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a cryptographically signed message in MIME format. --------------ms010500030907080103060002 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Dear Linux folks, In our cluster, we offer scratch space for temporary files. As these files are temporary, we do not need any safety requirements =E2=80=93 especially not those when the system crashes or shuts down. So no `sync` is for example needed. Are there file systems catering to this need? I couldn=E2=80=99t find any? Maybe I missed some options for existing file systems. 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