Date: Mon, 30 Mar 2009 13:52:27 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: freebsd-hackers@FreeBSD.org Cc: Alexander Motin <mav@FreeBSD.org> Subject: hot-attach SATA drive Message-ID: <49D0A46B.3000306@icyb.net.ua>
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Recently I tried to hot-attach a SATA drive to a running system. Controller is ICH9 in AHCI mode. Physically/electronically everything went smoothly, the drive spun-up. Then I tried to detach and re-attach all channels with no devices on them using atacontrol. I did it 3 times to be sure, but no new disk showed up. Then I finally rebooted, the disk showed up OK. Question: was hot-attach expected to work? Is there a limitation in hardware or in our driver? Note: I attached the drive to a regular SATA port, not eSATA. -- Andriy Gapon
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