Date: Mon, 30 Mar 2009 16:01:33 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-hackers@FreeBSD.org Subject: Re: hot-attach SATA drive Message-ID: <49D0C2AD.70706@FreeBSD.org> In-Reply-To: <49D0B3B7.60400@icyb.net.ua> References: <49D0A46B.3000306@icyb.net.ua> <49D0A99B.4030908@FreeBSD.org> <49D0B3B7.60400@icyb.net.ua>
next in thread | previous in thread | raw e-mail | index | archive | help
Andriy Gapon wrote: > on 30/03/2009 14:14 Alexander Motin said the following: >> Andriy Gapon wrote: >>> 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. >> Which system version do you use? With recent CURRENT I have successfully >> tested insert/remove SATA drives with ICH8, ICH8M and JMB363 AHCI >> controllers channel attach/detach. Theoretically it is possible to >> insert/remove SATA drives even without channel attach/detach. Remove >> works fine, but such really hot insertion functionality is not >> implemented properly now and so blocked. > > It was stable/7, amd64. > Maybe there is a small subset of the changes in current that I could try in stable/7? There is significant sources difference due to modularization work done on CURRENT, so it is not so easy to directly compare sources or backport something. I haven't actually looked on/tested 7-STABLE much. -- Alexander Motin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?49D0C2AD.70706>