Date: Wed, 20 Apr 2011 12:57:47 +0300 From: Alexander Motin <mav@FreeBSD.org> To: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Switch from legacy ata(4) to CAM-based ATA Message-ID: <4DAEAE1B.70207@FreeBSD.org>
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Hi. With 9.0 release approaching quickly, I believe it the best time now to manage migration from legacy ata(4) ATA to the new CAM-based one. New ATA code present in the tree for more then a year now, used by many people and proved it's superior functionality and reliability. The only major issue with it now is the migration process. Sooner or later we have to pass it, but due to major UI and API changes we can't do it after 9.0 release. So I propose to do it the next Sunday (April 24) to have as much time for troubleshooting as possible. I have prepared the following patch to do it: http://people.freebsd.org/~mav/ata_switch.patch I haven't added geom_raid to the kernel configurations because we have no other GEOM classes there. But tell me if you thing I should. If somebody has any problems with new ATA stack, please repeat your tests with latest HEAD code and contact me if problem is still there. Next three weeks before BSDCan I am going to dedicate to fixing possibly remaining issues. -- Alexander Motin
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