From owner-freebsd-hackers@freebsd.org Sun Dec 6 05:12:36 2020 Return-Path: Delivered-To: freebsd-hackers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 06F3D46C377 for ; Sun, 6 Dec 2020 05:12:36 +0000 (UTC) (envelope-from ekraju@gmail.com) Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CpZM708f4z58wW for ; Sun, 6 Dec 2020 05:12:34 +0000 (UTC) (envelope-from ekraju@gmail.com) Received: by mail-il1-x12c.google.com with SMTP id g1so9102339ilk.7 for ; Sat, 05 Dec 2020 21:12:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=3o1GsS/7dtz3tRw0Ph5AADYpdjKdu2crf1Zo9hPV2FE=; b=UXGNcdoWjFSsqyXTSr9mWAEIMFBA1B1pM7Ql3UTjl0tz/BVaIXFmcMIaz4W/lYHLy+ k7cLycI9lo3kptyPk3ay+xzm/AStdOIwv6BQ3/T49ptPUoRjHNLx9lN2vChKO5jaPinJ 7wE0X5obegn8EaT0IifQA1V4lcZUP14gAGxEGWxfC7Ltz3EIeTs6ubJoKw5aIkh04BJw h3aUqtoQoIa7qeqq3NgHhxXQBnA16pMWKco70i+JCZNEtLM9z0x0G8sZTuuoBEjQwWSR PvtBmxkiiVAKOuh6bnOHGlhGM6gL2pJxe20QTaSFCh4LGjkLecJRvcezjPDgLGt1/7f4 7G+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=3o1GsS/7dtz3tRw0Ph5AADYpdjKdu2crf1Zo9hPV2FE=; b=B99jbcSG7wn+XIBCA2yTOWjyinYtZMRuduTysH8F8Hi+yabq297HmukUT3DFe7Cofx Sdc/WM3XjmgrLSGfd1J9Y+2OeD+AnZ+j5wCf7zp//3h8qBnLWnOpaw1WDwNeKazJPCOA keNWYGGSu9PF6HOWzgDLUTZ2k135I5bST1DS6GCI7rodHAwBTMm6B7XEyhRR7gLz/EHS Dd8O4zGkfdFXHs2ASSb+DKpn4XzLxKrz72KcX8cr6ttwD4q2QmUoeC8aFGtM8U0KzZPv qkqI6AXVRBIBreRwFSCkAdgIzritcTJUpLa7SLfQUxO9g5nDVamAB4xfPNwp54D/SK0K 6guQ== X-Gm-Message-State: AOAM5324pMmdjmdeS2LvPzIfvk1Ta4A2cWhYUT2p7uheLjkM+F/olQLx U/x1zMLQs+1WxxPzWO+ra5h2TpwLC2mXWXSvFZE+Phw1Vjk= X-Google-Smtp-Source: ABdhPJwu8c1eTmQYrqIpW7zOezgojq3A3Egt0UBYwYTvIhTXWwV1P7cNVnp+JQHGpd4F639ZB8HN/3LbjOrt8Ppl0Xc= X-Received: by 2002:a92:4101:: with SMTP id o1mr13259902ila.82.1607231553641; Sat, 05 Dec 2020 21:12:33 -0800 (PST) MIME-Version: 1.0 From: Krishnamraju Eraparaju Date: Sun, 6 Dec 2020 10:44:25 +0530 Message-ID: Subject: when to use "/dev/nvme0ns1" To: FreeBSD Hackers X-Rspamd-Queue-Id: 4CpZM708f4z58wW X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=UXGNcdoW; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of ekraju@gmail.com designates 2607:f8b0:4864:20::12c as permitted sender) smtp.mailfrom=ekraju@gmail.com X-Spamd-Result: default: False [-4.00 / 15.00]; FREEMAIL_FROM(0.00)[gmail.com]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RBL_DBL_DONT_QUERY_IPS(0.00)[2607:f8b0:4864:20::12c:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2607:f8b0:4864:20::12c:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::12c:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-hackers] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.34 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Dec 2020 05:12:36 -0000 Hi All, I see there are two ways of accessing NVMe disk: 1)GEOM based: /dev/nvd0 or /dev/nda0 2)/dev/nvme0ns1 When should one use " /dev/nvme0ns1"? Thanks, ekraju