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 AA621931A for ; Thu, 31 Mar 2022 12:14:30 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id 999D919B1E for ; Thu, 31 Mar 2022 12:14:00 +0200 (CEST) Received: from zimbra.panservice.it (zimbra.panservice.it [212.66.96.48]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by firstgate.proxmox.com (Proxmox) with ESMTPS id E538F19B13 for ; Thu, 31 Mar 2022 12:13:58 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.panservice.it (Postfix) with ESMTP id 87F49A4037B; Thu, 31 Mar 2022 12:13:52 +0200 (CEST) Received: from zimbra.panservice.it ([127.0.0.1]) by localhost (zimbra.panservice.it [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id 6gZGCKjvLMy6; Thu, 31 Mar 2022 12:13:49 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by zimbra.panservice.it (Postfix) with ESMTP id ED888A403C6; Thu, 31 Mar 2022 12:13:48 +0200 (CEST) X-Virus-Scanned: amavisd-new at zimbra.panservice.it Received: from zimbra.panservice.it ([127.0.0.1]) by localhost (zimbra.panservice.it [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id NEOpUVxUaem2; Thu, 31 Mar 2022 12:13:48 +0200 (CEST) Received: from zimbra.panservice.it (zimbra.panservice.it [212.66.96.48]) by zimbra.panservice.it (Postfix) with ESMTP id D8CFEA4037B; Thu, 31 Mar 2022 12:13:48 +0200 (CEST) Date: Thu, 31 Mar 2022 12:13:48 +0200 (CEST) From: Fabrizio Cuseo Reply-To: Fabrizio Cuseo To: Eneko Lacunza Cc: pve-user Message-ID: <1936339041.408958.1648721628223.JavaMail.zimbra@zimbra.panservice.it> In-Reply-To: References: <326572724.330929.1648482506812.JavaMail.zimbra@zimbra.panservice.it> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [212.66.96.161] X-Mailer: Zimbra 8.8.15_GA_4173 (ZimbraWebClient - FF98 (Win)/8.8.15_GA_4177) Thread-Topic: Proxmox backup server and SMR disks Thread-Index: Rd48i5NWmGtou10q5TXPidnWXjERFg== X-SPAM-LEVEL: Spam detection results: 0 AWL 1.114 Adjusted score from AWL reputation of From: address 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 SPF_HELO_PASS -0.001 SPF: HELO matches SPF record SPF_PASS -0.001 SPF: sender matches SPF record T_SCC_BODY_TEXT_LINE -0.01 - URIBL_BLOCKED 0.001 ADMINISTRATOR NOTICE: The query to URIBL was blocked. See http://wiki.apache.org/spamassassin/DnsBlocklists#dnsbl-block for more information. [binovo.es, proxmox.com, panservice.it] Subject: Re: [PVE-User] Proxmox backup server and SMR disks X-BeenThere: pve-user@lists.proxmox.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Proxmox VE user list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Mar 2022 10:14:30 -0000 Hello Eneko. Disclaimer: I am replacing all EFAX (smr drives), but some of my customers = don't wont to spend other money. I know that performance is really bad, but the very big problem is that ZFS= can't resilver a SMR drive, because it will be considered faultly. I am tr= ying to make a resilver disabling write cache with hdparm, but i think that= i will need a month to complete it :)=20 ----- Il 31-mar-22, alle 12:08, Eneko Lacunza elacunza@binovo.es ha scritto= : > Hi Fabrizio, >=20 > Issue with SMR drives is writes, specially random writes. I suspect you > won't like the performance, but it will work nonetheless :) >=20 > Cheers >=20 > El 28/3/22 a las 17:48, Fabrizio Cuseo escribi=C3=B3: >> Hello. >> >> There is a very big incompatibility with ZFS and SRM drives (like WD Red= nas >> EFAX); so, i would like to know if someone have used PBS with MD raid (i= think >> that replication will be lost), or if someone have found some workaround= to >> make SMR drives work with pbs and zfs. >> >> >> Regards, Fabrizio >> >> _______________________________________________ >> pve-user mailing list >> pve-user@lists.proxmox.com >> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >=20 > Eneko Lacunza > Zuzendari teknikoa | Director t=C3=A9cnico > Binovo IT Human Project >=20 > Tel. +34 943 569 206 |https://www.binovo.es > Astigarragako Bidea, 2 - 2=C2=BA izda. Oficina 10-11, 20180 Oiartzun >=20 > https://www.youtube.com/user/CANALBINOVO > https://www.linkedin.com/company/37269706/ --=20 --- Fabrizio Cuseo - mailto:f.cuseo@panservice.it Direzione Generale - Panservice InterNetWorking Servizi Professionali per Internet ed il Networking Panservice e' associata AIIP - RIPE Local Registry Phone: +39 0773 410020 - Fax: +39 0773 470219 http://www.panservice.it mailto:info@panservice.it Numero verde nazionale: 800 901492