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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A64B1C6FA83 for ; Mon, 12 Sep 2022 19:15:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229916AbiILTPC (ORCPT ); Mon, 12 Sep 2022 15:15:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230388AbiILTO6 (ORCPT ); Mon, 12 Sep 2022 15:14:58 -0400 Received: from vps.thesusis.net (vps.thesusis.net [34.202.238.73]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E92A13F87 for ; Mon, 12 Sep 2022 12:14:56 -0700 (PDT) Received: by vps.thesusis.net (Postfix, from userid 1000) id 9E3FEE607E; Mon, 12 Sep 2022 15:08:53 -0400 (EDT) References: <593e868a-d0a4-3ad5-d983-e585607ec212@turmel.org> User-agent: mu4e 1.7.12; emacs 27.1 From: Phillip Susi To: Phil Turmel Cc: Luigi Fabio , linux-raid@vger.kernel.org Subject: Re: RAID5 failure and consequent ext4 problems Date: Mon, 12 Sep 2022 15:06:47 -0400 In-reply-to: <593e868a-d0a4-3ad5-d983-e585607ec212@turmel.org> Message-ID: <87k0688l6i.fsf@vps.thesusis.net> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Phil Turmel writes: > Yes. Same kernels are pretty repeatable for device order on bootup as > long as all are present. Anything missing will shift the letter > assignments. Every time I think about this I find myself amayzed that it does seem to be so stable, and wonder how that can be. The drives are all enumerated in paralell these days so the order they get assigned in should be a total crap shoot, shouldn't it?