From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Majed B." Subject: Re: Raid5 Read stats for parity cal... Date: Thu, 17 Sep 2009 03:20:19 +0300 Message-ID: <70ed7c3e0909161720r5a068ca4m8335cfbbd51bc220@mail.gmail.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Linux Raid Study Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids You can force an array check by writing "check" (without double quotes) to a file named "sync_action" found in /proc/sys Read this for further details: http://linux.die.net/man/4/md You can run that check at any time, not just when there's a problem. On Thu, Sep 17, 2009 at 3:13 AM, Linux Raid Study wrote: > Hello: > > I understand that parity calculations are not done as part of Raid5 > read operation in normal running conditions. > > However, it would be done during disk failure or when a sector is bad= =2E > Is there a way (any stats) available to see if parity cal are done > when sector is bad (since this is not as obvious as a disk fail...) > > Thanks! > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at =C2=A0http://vger.kernel.org/majordomo-info.ht= ml > --=20 Majed B. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html