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 6DB651FF16F for ; Tue, 27 May 2025 12:36:20 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 30834116F4; Tue, 27 May 2025 12:36:32 +0200 (CEST) From: Alexander Abraham To: pve-devel@lists.proxmox.com Date: Tue, 27 May 2025 12:35:50 +0200 Message-Id: <20250527103550.42279-1-a.abraham@proxmox.com> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 X-SPAM-LEVEL: Spam detection results: 0 AWL -0.306 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 RCVD_IN_VALIDITY_CERTIFIED_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_RPBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_SAFE_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Subject: [pve-devel] [PATCH pve-docs v5] fix #5644: Moved the swap partition section 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: pve-devel-bounces@lists.proxmox.com Sender: "pve-devel" The section about "Creating SWAP partitions" lives in its own file and the warning about creating SWAP partitions on ZFS was moved back to the original file with all documentation about working with ZVols. Signed-off-by: Alexander Abraham --- local-zfs.adoc | 42 ++++++---------------------------------- pve-swap-on-zfs.adoc | 46 ++++++++++++++++++++++++++++++++++++++++++++ pve-swap.adoc | 36 ++++++++++++++++++++++++++++++++++ sysadmin.adoc | 2 ++ 4 files changed, 90 insertions(+), 36 deletions(-) create mode 100644 pve-swap-on-zfs.adoc create mode 100644 pve-swap.adoc diff --git a/local-zfs.adoc b/local-zfs.adoc index c64fb27..77d1055 100644 --- a/local-zfs.adoc +++ b/local-zfs.adoc @@ -1,6 +1,7 @@ [[chapter_zfs]] ZFS on Linux ------------ + ifdef::wiki[] :pve-toplevel: endif::wiki[] @@ -622,46 +623,15 @@ time this value changes: You *must reboot* to activate these changes. ==== - [[zfs_swap]] SWAP on ZFS ~~~~~~~~~~~ -Swap-space created on a zvol may generate some troubles, like blocking the -server or generating a high IO load, often seen when starting a Backup -to an external Storage. - -We strongly recommend to use enough memory, so that you normally do not -run into low memory situations. Should you need or want to add swap, it is -preferred to create a partition on a physical disk and use it as a swap device. -You can leave some space free for this purpose in the advanced options of the -installer. Additionally, you can lower the -``swappiness'' value. A good value for servers is 10: - ----- -# sysctl -w vm.swappiness=10 ----- - -To make the swappiness persistent, open `/etc/sysctl.conf` with -an editor of your choice and add the following line: - --------- -vm.swappiness = 10 --------- - -.Linux kernel `swappiness` parameter values -[width="100%",cols="