From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jose Manuel dos Santos Calhariz Subject: Re: md raid6 deadlock on write Date: Mon, 9 Jul 2012 12:22:18 +0100 Message-ID: <20120709112218.GA18431@calhariz.com> References: <20120629194600.GA23859@calhariz.com> <20120702221508.GA24801@calhariz.com> <20120704113811.180be107@notabene.brown> <20120704102411.GG15287@calhariz.com> <20120706135524.GI15287@calhariz.com> <20120709134653.332102fd@notabene.brown> Reply-To: jose.spam@netvisao.pt Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="envbJBWh7q8WU6mo" Return-path: Content-Disposition: inline In-Reply-To: <20120709134653.332102fd@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: jose.spam@netvisao.pt, jose.calhariz@netvisao.pt, linux-raid@vger.kernel.org, ns-list@dsi.ist.utl.pt List-Id: linux-raid.ids --envbJBWh7q8WU6mo Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 09, 2012 at 01:46:53PM +1000, NeilBrown wrote: > On Fri, 6 Jul 2012 14:55:24 +0100 Jose Manuel dos Santos Calhariz > wrote: >=20 > > On Wed, Jul 04, 2012 at 11:24:11AM +0100, Jose Manuel dos Santos Calhar= iz wrote: > > > On Wed, Jul 04, 2012 at 11:38:11AM +1000, NeilBrown wrote: > > > > On Mon, 2 Jul 2012 23:15:08 +0100 Jose Manuel dos Santos Calhariz > > > > wrote: > > > >=20 > > > > >=20 > > > > > We have a group of servers with a LVM over a RAID6 of 16 drives. > > > > > During normal work loads, sometimes, the md raid enter on deadloc= k for > > > > > writes and only a power off/power on allows to recover the machin= e. > > > >=20 > > > > This might be fixed by the following commit which was recently incl= uded in > > > > 3.5-rc. If could test with that I'd appreciate it. > > >=20 > > > We will do it, at first opportunity. > >=20 > > We have two machines that are running fio for 24 hours without > > problems. So the bug seams to be fixed, thank you. >=20 > Thanks for testing and reported. >=20 >=20 > >=20 > > Any possibility of the fix being ported to kernel 3.2? >=20 > It seems that I didn't tag that patch for -stable so it won't automatical= ly > get included. I'll send it the old way - maybe it'll get into > 3.2.23. That would be great.=20 >=20 > Thanks, > NeilBrown >=20 Jose Calhariz --=20 -- Pregui=E7a =E9 o habito de descansar antes da fadiga. --envbJBWh7q8WU6mo Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBCAAGBQJP+r7pAAoJEDSKd41ohe+PbA4P/3xyZi+iPjpJPpq3f3tPXTXz +SVhkp9ZN4qlBuiXTZRriwAtj1KL9BHtfLn9RHsHCWlbFggcQAC3/sR0bDcVhCfk /Z24Jkx9wuZIfleQV8KTcgjRmHbOe0zIX2nw4M9y+3N/+Pl9Jr0MvWSJZzC4XIS8 7tSf4vCrKQAOPTSldSqxyYUoIQplPZMWXtDS1CwNAs2yvf1B9QZxzaBS82byvCqB Qb/LtgsxpWgfx24JURZn4FKEpKku+Lin0iIOA+8YbP8mizNszcJJ1yF4aMICh08n rd+cbZJ4ytJ9Tew2BKHmhQS+wG3w8vdjPwn4QAyS5Msejd3GkbFqA6O9fgRBeSiF GMzmToggchbocY/mjn55GHi8NsXJTRzZ0z8e4chFFYEhkOjjN8esDKExfwclFW9Q tR0P5gpr78ulzplauuHePNxZ6qNjG/7nnLMv4CC3em/JYE1km7Pf1D/p18oxAQgv J5IADMMnQaPYqTMWupzShHPgFf0a2C0QmLDnzEeypjOkcdL04envb44RFbNbcfrF 995QKAr9TYWxDwac51EzR+ops9jzAIKvds8BdY6zlARLZ+CdairX/ASyTr6QRmXU 9lvR34fjvEmP2lutg5054dVA+fuO9BnPWuDkgTl7rzkecnL6wEQxXppNMTY791uj 53681Gd00KttxxCptFp1 =YPp7 -----END PGP SIGNATURE----- --envbJBWh7q8WU6mo--