From mboxrd@z Thu Jan 1 00:00:00 1970 From: Reindl Harald Subject: Re: RAID Issues - RAID10 working but with errors Date: Thu, 2 Apr 2020 10:49:06 +0200 Message-ID: <832cb2b3-e9d3-e1a6-4ba5-f1f1b5d22b97@thelounge.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: en-US Sender: linux-raid-owner@vger.kernel.org To: Adam Goryachev , linux-raid@vger.kernel.org List-Id: linux-raid.ids Am 02.04.20 um 04:28 schrieb Adam Goryachev: > Is there a method to determine if this is a HDD error (ie, 2 drives that > have errors) or a cabling issue (with just these two drives) or some > strange driver/motherboard issue? just try by start with the cheapest option: cables when nothing changes switch where they disks are connected and you will find out it's the motherboard when suddenly one drive that was completly fine before has the same issue > I notice in the output below MD is showing a number of bad blocks on the > drives, and logs suggest that the drives have run out of "spare" space > to re-allocate these to. from the moment on some software stack is telling you about bad blocks on drives run fast and replace fast