Date: Tue, 14 Jul 2020 11:14:33 +0200 From: Willem Jan Withagen <wjw@digiware.nl> To: Andriy Gapon <avg@FreeBSD.org>, Yuri Pankov <yuripv@yuripv.dev>, freebsd current <freebsd-current@freebsd.org> Subject: Re: Current panics on connecting disks to a LSI-3108 controller Message-ID: <22f905c8-40fc-793f-fc84-6bf2a8d3111a@digiware.nl> In-Reply-To: <a31155f7-b357-b13c-8e33-e04538651960@FreeBSD.org> References: <1406943a-6028-26ae-012f-e83903f2b299@digiware.nl> <266ce56a-0d95-b61a-4757-4ccdc2533ae2@yuripv.dev> <80510d48-adfe-3f9c-a7cd-81a7e88d9d71@digiware.nl> <a31155f7-b357-b13c-8e33-e04538651960@FreeBSD.org>
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On 14-7-2020 07:45, Andriy Gapon wrote: > On 14/07/2020 03:39, Willem Jan Withagen wrote: >> And what I read from the manual page, mrsas plays even nicer with CAM which is a >> plus. > If by "nicer" you mean that mfi does not integrate with CAM at all, then you are > right :-) > Also, last I looked mfi has some pretty serious bugs in its direct interface to > GEOM. We've seen all kinds of crashes with mfi at work. Right that was what I meant. Disadvantage is that mfiutil no longer works. But then if you JBOD, it does not really matter. Unless it still uses caching for JBODs and then I'd like to know the state of the battery. > Whatever the reason why mrsas is not always preferred over mfi, it must pretty > nebulous like POLA for existing users. From technical point of view, mrsas > appears to be superior Right, the Pola argument... Least it would warrant for is a warning in the mfi/mfiutil manpage that mrsas is a lot more modern and that it should be prefered is user has no specific reason to select mfi. And perhaps it is too complicated in the build of the boot images for isos and sticks, but there it would help a lot. Now booting with this controller and disk in the system leads to a panic. And a heavy one which requires hard reset/power-cycle, since the console is dead. --WjW
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