From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [212.224.123.68]) by lore.proxmox.com (Postfix) with ESMTPS id 3FE921FF2D7 for ; Thu, 11 Jul 2024 10:24:15 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 55F521F3E4; Thu, 11 Jul 2024 10:24:39 +0200 (CEST) Message-ID: Date: Thu, 11 Jul 2024 10:24:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Proxmox VE development discussion , Christian Ebner References: <20240710144157.280353-1-c.ebner@proxmox.com> From: Aaron Lauterer In-Reply-To: <20240710144157.280353-1-c.ebner@proxmox.com> X-SPAM-LEVEL: Spam detection results: 0 AWL -0.440 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_ASCII_DIVIDERS 0.8 Email that uses ascii formatting dividers and possible spam tricks 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: Re: [pve-devel] [PATCH v2 pve-docs] vzdump: add section describing PBS change detection mode X-BeenThere: pve-devel@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE development discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Proxmox VE development discussion Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" could we have a short paragraph on where to set these options? Similar to how it is done in the fleecing section? a few very nitpicky comments inline: On 2024-07-10 16:41, Christian Ebner wrote: > Add a concise section about what PBS change detection mode is and > what it affects, including a table with a description of the modes. > > Signed-off-by: Christian Ebner > --- > vzdump.adoc | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/vzdump.adoc b/vzdump.adoc > index 9b1cb61..4607e40 100644 > --- a/vzdump.adoc > +++ b/vzdump.adoc > @@ -175,6 +175,30 @@ fleecing image up-front. On a thinly provisioned storage, the fleecing image can > grow to the same size as the original image only if the guest re-writes a whole > disk while the backup is busy with another disk. > > +CT Change Detection Mode > +~~~~~~~~~~~~~~~~~~~~~~~~ > + > +Setting the change detection mode defines the encoding format for the pxar > +archives and how changed and unchanged files are handled for container backups s/how changed and unchanged/how changed, and unchanged/ comma before the and > +with Proxmox Backup Server as target. s/as target/as the target/ > + > +Backups of VMs or to other storage backends are not affected by this setting. > + > +There are 3 change detection modes available: > + > +[width="100%",cols=" +|=============================================================================== > +| Mode | Description > +| Default | Read and encode all files into a single archive, using the pxar > +format version 1. > +| Data | (EXPERIMENTAL): Read and encode all files, but split data and > +metadata into separate streams, using the pxar format version 2. > +| Metadata | (EXPERIMENTAL): Split streams and use archive format version 2 like > +`Data`, but use metadata archive of previous snapshot (if one exists) to detect s/use metadata/use the metadata/ s/of previous/of the previous/ > +unchanged files, and reuse their data chunks without reading file contents from > +disk, whenever possible. > +|=============================================================================== > + > Backup File Names > ----------------- > _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel