On Thu, 25 Oct 2007, Jeremy Chadwick wrote: JC> However, on my home machine (nForce 4-based), if I attempt to perform a JC> hot-swap by removing the SATA cable then the power cable on the drive, JC> the kernel will either panic and the machine reboot, or the machine will JC> simply power-cycle on its own. JC> JC> I've been told that I should be removing the power cable *first*, but I JC> don't see how the order would matter. JC> JC> Keep in mind that the servers I mention above have a proper SATA JC> hot-swap backplane; supposedly this is needed for hot-swapping, JC> otherwise "odd things" can happen. I presume that the backplane allows JC> signalling provided constantly to the controller (regardless of a disk JC> being removed), while the manual method on my nForce 4 machine actually JC> disconnects the controller -- literally -- from the drive. Well, you may be right (however, I doubt, as IIRC, SATA standard requires hotplug) But - RELENG_6 *detects* changed disks correctly. RELENG_7 does not. This is definitely a regression. Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck_at_FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck_at_rinet.ru *** ------------------------------------------------------------------------Received on Thu Oct 25 2007 - 07:11:59 UTC
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