From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 5FB40D9D0 for ; Tue, 19 Apr 2022 11:12:28 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 4E8E0262B9 for ; Tue, 19 Apr 2022 11:11:58 +0200 (CEST) Received: from triple6.org (triple6.org [IPv6:2a00:5080:1:ab::10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id A1900262B0 for ; Tue, 19 Apr 2022 11:11:57 +0200 (CEST) Received: from localhost ([127.0.0.1] helo=mail2.triple6.org) by triple6.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1ngjtd-00014d-Ct for pbs-devel@lists.proxmox.com; Tue, 19 Apr 2022 11:11:41 +0200 MIME-Version: 1.0 Date: Tue, 19 Apr 2022 09:11:32 +0000 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mailer: RainLoop/1.16.0 From: "Daniel Koch" Message-ID: <1b2352293236d294d999512314a9d06e@triple6.org> To: pbs-devel@lists.proxmox.com X-SPAM-LEVEL: Spam detection results: 0 BAYES_00 -1.9 Bayes spam probability is 0 to 1% KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment KAM_LAZY_DOMAIN_SECURITY 1 Sending domain does not have any anti-forgery methods SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_NONE 0.001 SPF: sender does not publish an SPF Record T_SCC_BODY_TEXT_LINE -0.01 - X-Mailman-Approved-At: Fri, 22 Apr 2022 10:15:38 +0200 Subject: [pbs-devel] PBS File Retore for NTFS with deduplication enabled leads to corrupted files X-BeenThere: pbs-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox Backup Server development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Apr 2022 09:12:28 -0000 Hello List, Current situation: Using PBS for NTFS with the de-duplication feature enabled (https://docs.= microsoft.com/en-us/windows-server/storage/data-deduplication/overview) r= esults in corrupted file restores. ntfs3 can't handle de-duplicated file systems atm. ntfs-3g by default is not aware of ntfs'es de-duplication but provides pl= ugins for those features: https://jp-andre.pagesperso-orange.fr/advanced-ntfs-3g-old.html#download Is there any chance that the restore kernel will use ntfs-3g over ntfs3 w= ith dedup capabilities? The de-duplication feature of NTFS is widely used= and people don't seam to be aware that their backups are actually corrup= ted. Restoring the whole disk image will be fine tho. Kind regards, Daniel