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 CCDB7BA67C for ; Wed, 20 Mar 2024 10:30:20 +0100 (CET) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id B4756CCAD for ; Wed, 20 Mar 2024 10:30:20 +0100 (CET) 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 for ; Wed, 20 Mar 2024 10:30:16 +0100 (CET) Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id 4CE9C469C5 for ; Wed, 20 Mar 2024 10:30:16 +0100 (CET) Message-ID: <64796975-cb0f-46c6-b58d-6f42029ffd44@proxmox.com> Date: Wed, 20 Mar 2024 10:30:03 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Proxmox VE development discussion , Aaron Lauterer References: <20240320085621.38773-1-a.lauterer@proxmox.com> Content-Language: en-US From: Fiona Ebner In-Reply-To: <20240320085621.38773-1-a.lauterer@proxmox.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-SPAM-LEVEL: Spam detection results: 0 AWL -0.069 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_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 T_SCC_BODY_TEXT_LINE -0.01 - Subject: Re: [pve-devel] [PATCH docs] system-requirements: mention that SSDs with PLP should be used 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: , X-List-Received-Date: Wed, 20 Mar 2024 09:30:20 -0000 Am 20.03.24 um 09:56 schrieb Aaron Lauterer: > Signed-off-by: Aaron Lauterer > --- > pve-system-requirements.adoc | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/pve-system-requirements.adoc b/pve-system-requirements.adoc > index bc3689d..4db5358 100644 > --- a/pve-system-requirements.adoc > +++ b/pve-system-requirements.adoc > @@ -49,6 +49,8 @@ Recommended System Requirements > (BBU) or non-RAID for ZFS and Ceph. Neither ZFS nor Ceph are compatible with a > hardware RAID controller. > ** Shared and distributed storage is possible. > +** SSDs with Power-Loss-Protection (PLP) are recommended for good performance. > + Using consumer SSDs is discouraged. > Having PLP might correlate with having good performance, but it's not the reason for good performance and good performance is not the reason you want PLP. It's just that both things are present in many enterprise SSDs, I'd mention that explicitly to avoid potential confusion. > * Redundant (Multi-)Gbit NICs, with additional NICs depending on the preferred > storage technology and cluster setup.