From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate001.proxmox.com (gate001.proxmox.com [45.144.208.40]) by lore.proxmox.com (Postfix) with ESMTPS id 5D4141FF09C for ; Mon, 19 Oct 2026 18:04:38 +0200 (CEST) Received: from gate001.proxmox.com (localhost.localdomain [127.0.0.1]) by gate001.proxmox.com (Proxmox) with ESMTP id 88619216D4; Mon, 19 Oct 2026 18:04:22 +0200 (CEST) From: Shan Shaji To: pbs-devel@lists.proxmox.com Subject: [PATCH proxmox-backup 8/9] docs: add explanation regarding ``rebuild-chunk-markers`` option Date: Mon, 19 Oct 2026 18:03:58 +0200 Message-ID: <20261019160359.20851-9-s.shaji@proxmox.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20261019160359.20851-1-s.shaji@proxmox.com> References: <20261019160359.20851-1-s.shaji@proxmox.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1792425856448 X-SPAM-LEVEL: Spam detection results: 0 AWL 0.396 Adjusted score from AWL reputation of From: address DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment (newer systems) RCVD_IN_DNSWL_MED -2.3 Sender listed at https://www.dnswl.org/, medium trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Message-ID-Hash: 7CYMGXH2YIISAWHOJCOICQOUHX7QOUIR X-Message-ID-Hash: 7CYMGXH2YIISAWHOJCOICQOUHX7QOUIR X-MailFrom: s.shaji@proxmox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox Backup Server development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Signed-off-by: Shan Shaji --- docs/storage.rst | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/docs/storage.rst b/docs/storage.rst index 2c6ba0a85..811b5ff44 100644 --- a/docs/storage.rst +++ b/docs/storage.rst @@ -312,8 +312,11 @@ To setup a new datastore called ``my-s3-store`` placed in a bucket called ``pbs- A datastore cannot be shared between multiple Proxmox Backup Server instances, only one instance can operate on the datastore at a time. However, datastore contents used on an instance which is no longer available can be reused on a fresh installation. To recreate the datastore, you must pass the -``reuse-datastore`` and ``overwrite-in-use`` flags. Since the datastore name is used as prefix, the -same datastore name must be used. +``reuse-datastore`` and ``overwrite-in-use`` flags. The optional ``rebuild-chunk-markers`` flag, +disabled by default, creates local zero-byte chunk markers when reusing an S3 datastore. These markers +allow Proxmox Backup Server to identify chunks already stored in S3 when they are not present in +the in-memory cache, avoiding unnecessary uploads. The time required to create these markers depends +on the number of chunks. .. code-block:: console -- 2.47.3