From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00709C433FE for ; Fri, 12 Nov 2021 06:38:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C903D60FE7 for ; Fri, 12 Nov 2021 06:38:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231179AbhKLGld (ORCPT ); Fri, 12 Nov 2021 01:41:33 -0500 Received: from smtp-out2.suse.de ([195.135.220.29]:60434 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230510AbhKLGld (ORCPT ); Fri, 12 Nov 2021 01:41:33 -0500 Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 400011FDC2; Fri, 12 Nov 2021 06:38:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1636699122; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F0AeuLoQoqPgRm/bAZHOgHvLyaVbuwOOkX4rxNvhHtE=; b=iAuqX44yP59ZfT5cL7ss6h1AYYfwjgI9KtUGBAszMwLv17ZC6I4SsBEn5GhLj54WAi+2IL sw6UyHBH/qXSdZVSwpFLplQbA+ygnhJsNliTy14zbu6DdYeFLpxf3eX7VEdKu49sQ0odEm x0ESFsSeSDdtvcq7Izh3Gg/JTwlSuTg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1636699122; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F0AeuLoQoqPgRm/bAZHOgHvLyaVbuwOOkX4rxNvhHtE=; b=igvxTD/QPfEVjB3LPOIQCD+3H1L9n0D4IuLhzfn65AMd4+wpaIQ5w3C+e42zf9zUSOcowZ +8l1e8bVmAHx02Dw== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 1B47413E3D; Fri, 12 Nov 2021 06:38:42 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 6/HxBfILjmF4XgAAMHmgww (envelope-from ); Fri, 12 Nov 2021 06:38:42 +0000 Subject: Re: Unreliable disk detection order in 5.x To: Phillip Susi Cc: Simon Kirby , Bart Van Assche , Damien Le Moal , linux-scsi@vger.kernel.org, linux-block@vger.kernel.org References: <20211105064623.GD32560@hostway.ca> <9c14628f-4d23-dedf-3cdc-4b4266d5a694@opensource.wdc.com> <20211107022410.GA6530@hostway.ca> <20211111010106.GA27431@hostway.ca> <67af6917-653c-28a9-368a-db9599620bfa@suse.de> <87pmr65j1i.fsf@vps.thesusis.net> From: Hannes Reinecke Message-ID: Date: Fri, 12 Nov 2021 07:38:41 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <87pmr65j1i.fsf@vps.thesusis.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 11/12/21 1:11 AM, Phillip Susi wrote: > > Hannes Reinecke writes: > >> Why is by-uuid not available? >> The uuid is the disk-internal unique identification, and to my >> knowledge all recent SCSI and SATA drives implement them. >> So where is the problem here? > > It is probably just an oversight by the udev rules that create the > by-uuid links. > So shouldn't we rather fix this? Putting in some udev rules is always easier than trying to 'fix' things in the kernel. Cheers, Hannes -- Dr. Hannes Reinecke Kernel Storage Architect hare@suse.de +49 911 74053 688 SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer