From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bas van Schaik Subject: Re: Redundancy check using "echo check > sync_action": error reporting? Date: Thu, 20 Mar 2008 14:32:37 +0100 Message-ID: <47E26775.3000500@tuxes.nl> References: <47DD2CD7.2090802@tuxes.nl> <20080316161451.0d17fd22@szpak> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20080316161451.0d17fd22@szpak> Sender: linux-raid-owner@vger.kernel.org To: Janek Kozicki Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Janek Kozicki wrote: > Bas van Schaik said: (by the date of Sun, 16 Mar 2008 15:21:11 +0100) > > >> As we speak, I'm trying to debug a real weird type of filesystem >> corruption in a quite complex layered system with networking involved: >> > > AFAIK, even for the simplest case where corruption happens between a > head and a disk platter during write operation - the RAID has no way > to detect that. Unless it discovers later that the checksum on > another disk is wrong, and it is automatically updated to reflect the > corrupted data. Does it produce a message during resync in such case? > Someone here should be able to answer this. > Anyone able to answer the last and most important question: does it produce a message during resync in case of corruption? That would be great! -- Bas