From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <d.csapak@proxmox.com> Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by lists.proxmox.com (Postfix) with ESMTPS id DDCD578EE8 for <pbs-devel@lists.proxmox.com>; Mon, 3 May 2021 11:28:17 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id C96C81B562 for <pbs-devel@lists.proxmox.com>; Mon, 3 May 2021 11:27:47 +0200 (CEST) Received: from proxmox-new.maurer-it.com (proxmox-new.maurer-it.com [94.136.29.106]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id 5EC571B558 for <pbs-devel@lists.proxmox.com>; Mon, 3 May 2021 11:27:47 +0200 (CEST) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 27D0142951 for <pbs-devel@lists.proxmox.com>; Mon, 3 May 2021 11:27:47 +0200 (CEST) From: Dominik Csapak <d.csapak@proxmox.com> To: pbs-devel@lists.proxmox.com Date: Mon, 3 May 2021 11:27:46 +0200 Message-Id: <20210503092746.6597-1-d.csapak@proxmox.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SPAM-LEVEL: Spam detection results: 0 AWL 0.012 Adjusted score from AWL reputation of From: address KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pbs-devel] [PATCH proxmox-backup] docs: tape: clarify LTO-4/5 support X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion <pbs-devel.lists.proxmox.com> List-Unsubscribe: <https://lists.proxmox.com/cgi-bin/mailman/options/pbs-devel>, <mailto:pbs-devel-request@lists.proxmox.com?subject=unsubscribe> List-Archive: <http://lists.proxmox.com/pipermail/pbs-devel/> List-Post: <mailto:pbs-devel@lists.proxmox.com> List-Help: <mailto:pbs-devel-request@lists.proxmox.com?subject=help> List-Subscribe: <https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel>, <mailto:pbs-devel-request@lists.proxmox.com?subject=subscribe> X-List-Received-Date: Mon, 03 May 2021 09:28:17 -0000 some features we need (e.g. READ POSITION long form) are only officially available with LTO-5, but work on many LTO-4 drives, so move LTO-4 to 'best-effort' support. Signed-off-by: Dominik Csapak <d.csapak@proxmox.com> --- docs/tape-backup.rst | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/docs/tape-backup.rst b/docs/tape-backup.rst index 10a5ef5d..1812acc8 100644 --- a/docs/tape-backup.rst +++ b/docs/tape-backup.rst @@ -67,8 +67,10 @@ tape compression feature has no advantage. Supported Hardware ------------------ -Proxmox Backup Server supports `Linear Tape-Open`_ generation 4 (LTO-4) -or later. +Proxmox Backup Server supports `Linear Tape-Open`_ generation 5 (LTO-5) +or later and has best-effort support for generation 4 (LTO-4). While +many LTO-4 systems are known to work, some might need firmware updates or +do not implement necessary features to work with Proxmox Backup Server. Tape changing is carried out using the SCSI Medium Changer protocol, so all modern tape libraries should work. -- 2.20.1