I found the root of the problem. The ether devices are handled by mdadm, which doesn't stop and thus prevent the aoe stop. Regards, Nicolas On 2013-01-04 13:51, Nicolas Jungers wrote: > I tried Alyseo script today, and same symptoms, the bridge is still > owned by the aoe driver at shutdown time. > > Regards, > Nicolas > > > On 2012-11-28 08:17, Yacine Kheddache wrote: >> Hi, >> >> Nicolas, you can download Alyseo contrib (aoe init script) here : >> ftp://ftp.alyseo.com/pub/partners/Coraid/Tools/startup-script/ >> >> We have done many improvement (fstab tuning, LVM... So please give it a >> try : may help. >> >> Thank you >> Cordialement / Regards >> >> – >> >> Yacine Kheddache >> >> Le lundi 26 novembre 2012 à 16:14, Ed Cashin a écrit : >> >>> I'm guessing that the aoe driver is holding a reference to the br0 (or >>> whatever) network interface, just as it would do to eth0 (or >>> whatever), which means you cannot destroy br0. That's safe, but it >>> just means you have to stop using resources in a sane order. There is >>> probably an init script that is attempting to destroy the br0 (or >>> whatever) before aoe has released it. >>> >>> If you arrange for a shutdown script to undo all the AoE-related stuff >>> early in the shutdown process, you'll do some of these in-order steps: >>> >>> * unmount AoE-backed filesystems >>> * deactivate AoE-backed logical volumes >>> * stop AoE-backed software RAID devices >>> * either >>> - rmmod aoe, or >>> - aoe-interfaces bogus; aoe-flush -a; sleep 1 >>> >>> With either of the last two steps releasing the reference aoe is >>> holding on the br0 interface. I mention the second option just to be >>> specific. The first one is probably easier. >>> >>> Yacine chimed in here. Alyseo has some great aoe-related init scripts >>> that you can use as a template for your own script. >>> >>> I'm planning to help the distros to handle the aoe-related >>> startup/shutdown issues soon, but anybody is welcome to beat me to it >>> or to collaborate with me. >>> >>> On Nov 24, 2012, at 12:21 PM, Nicolas Jungers wrote: >>> >>>> I found a bug in the interaction of the AoE driver and the linux bridge. >>>> >>>> On a stock Ubuntu 12.04 with standard bridge-utils and A0E version 81, >>>> the machine cannot shutdown or reboot. >>>> >>>> The bridge stays stuck at the close stage with all the AoE connection >>>> still open. >>>> >>>> I didn't test that on CentOS yet, so I'm unsure if it's a distribution >>>> bug or an AoE one. >>>> >>>> Any idea? >>>> >>>> Regards, >>>> Nicolas >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Monitor your physical, virtual and cloud infrastructure from a single >>>> web console. Get in-depth insight into apps, servers, databases, vmware, >>>> SAP, cloud infrastructure, etc. Download 30-day Free Trial. >>>> Pricing starts from $795 for 25 servers or applications! >>>> http://p.sf.net/sfu/zoho_dev2dev_nov >>>> _______________________________________________ >>>> Aoetools-discuss mailing list >>>> Aoetools-discuss@xxxxxxxxxxxxxxxxxxxxx >>>> <mailto:Aoetools-discuss@xxxxxxxxxxxxxxxxxxxxx> >>>> https://lists.sourceforge.net/lists/listinfo/aoetools-discuss >>> >>> -- >>> Ed Cashin >>> ecashin@xxxxxxxxxx <mailto:ecashin@xxxxxxxxxx> >>> >>> >>> >>> ------------------------------------------------------------------------------ >>> Monitor your physical, virtual and cloud infrastructure from a single >>> web console. Get in-depth insight into apps, servers, databases, vmware, >>> SAP, cloud infrastructure, etc. Download 30-day Free Trial. >>> Pricing starts from $795 for 25 servers or applications! >>> http://p.sf.net/sfu/zoho_dev2dev_nov >>> _______________________________________________ >>> Aoetools-discuss mailing list >>> Aoetools-discuss@xxxxxxxxxxxxxxxxxxxxx >>> <mailto:Aoetools-discuss@xxxxxxxxxxxxxxxxxxxxx> >>> https://lists.sourceforge.net/lists/listinfo/aoetools-discuss >> > > > ------------------------------------------------------------------------------ > Master HTML5, CSS3, ASP.NET, MVC, AJAX, Knockout.js, Web API and > much more. 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