From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Wheeler Subject: Re: Random MD Raid resyncs? Date: Tue, 3 Nov 2009 13:25:12 -0500 Message-ID: References: <155cc2abd59adbec8b109a0602d7431d.squirrel@neil.brown.name> <20091103100528.GG24791@boogie.lpds.sztaki.hu> <20091103154513.GM24791@boogie.lpds.sztaki.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20091103154513.GM24791@boogie.lpds.sztaki.hu> Sender: linux-raid-owner@vger.kernel.org To: Gabor Gombas Cc: NeilBrown , linux-raid@vger.kernel.org List-Id: linux-raid.ids Understood. I've actually done some googling since my last e-mail reading about your suggestion. It's quite fascinating to me. I'll keep an eye on this machine for the time being and stick with some multi-level backup until my confidence level goes back up. Thanks everyone for the insight. On Tue, Nov 3, 2009 at 10:45 AM, Gabor Gombas wrote= : > On Tue, Nov 03, 2009 at 09:44:50AM -0500, Jesse Wheeler wrote: > >> Interesting. =A0I just got done reading that section in the manpage;= if >> anything, I didn't know mdadm would process an array in that fashion= =2E >> However, I don't see this behavior listed in my /proc/mdstat output. >> If it's there, I'm missing it: > > auto-read-only goes away with the first write request. If you have a > file system on the RAID device, just mounting it R/W causes the super= block > to be updated and that in turn ends auto-read-only mode. Unless you h= ave > an unused RAID device, it's not that easy to catch the moment when th= e > array is still in auto-read-only mode. > > Gabor > > -- > =A0 =A0 --------------------------------------------------------- > =A0 =A0 MTA SZTAKI Computer and Automation Research Institute > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Hungarian Academy of Sciences > =A0 =A0 --------------------------------------------------------- > --=20 Jesse W. Wheeler mailto: jwwstpete@gmail.com Charlotte, North Carolina - U.S.A. =3D=3D "I'm a white male, age 18 to 49. Everyone listens to me, no matter how dumb my suggestions are." --Homer Simpson "I really don't understand how bipartisanship is ever going to work when one of the parties is insane."-- John Cole "I defy the tyranny of precedent. I cannot afford the luxury of a closed mind. I go for anything new that might improve the past." -- Clara Barton "Any dictator would admire the uniformity and obedience of the U.S. media." -- Noam Chomsky "We are called to speak for the weak, for the voiceless, for victims of our nation and for those it calls enemy...". -- Martin Luther King, "Beyond Vietnam" "Be yourself; everyone else is already taken." - Oscar Wilde * My Other Car is a Health Insurance Payment * My Car Has Better Insurance Than I Do * My Death Panel is an HMO * Underinsured Baby on Board * WWJD: Who Would Jesus Deny? (Healthcare Reform Now!) "Quitbull with Lipstick: She's a gift that keeps on giving; an Everlasting Gobstopper of fail." -- SilentBrook on DKos talking about Palin =3D=3D -- 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