Date: Mon, 27 Dec 1999 21:13:07 -0800 (PST) From: Tom <tom@sdf.com> To: Alexander Bezroutchko <abb@zenon.net> Cc: scsi@freebsd.org Subject: Re: IFT3102 and FreeBSD 3.4-STABLE troubles Message-ID: <Pine.BSF.4.05.9912272105020.3904-100000@misery.sdf.com> In-Reply-To: <386749C0.34EBADE5@zenon.net>
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On Mon, 27 Dec 1999, Alexander Bezroutchko wrote: > Tom wrote: > > > Well, I'm testing a single IFT-3102U2G on a dual-PIII under 3.4 stable. > > I'm assuming that the take-over by the redundant controller is similar > > in appearance to the host, as resetting a controller. > > Yes, but take-over takes 4 sec, and resetting takes about 1 minute. Well, when doing a controller reset via the terminal interface, I find the controller is back up in about 20 to 30 seconds. Longer if it needs to verify dirty buffers. ... > Unfortunately, I have never seen correct behaviour of FreeBSD after > controller reset occured during any activity on filesystem mounted from IFT. I've done this a few times, and it just works. I've had a few silent hangs, but these very unusual. For instance, once when upgrading firmware during activity, FreeBSD never recovered and never printed any errors. I wouldn't recomend upgrading controller firmware on active system anyway. I find the "invalidating pack" messages that you get interesting. I've never seen them before. It is almost as if the IFT is telling FreeBSD that the disk no longer exists. > I have seen about 20 messages related to IFT scsi-to-scsi controllers in > this list. Did anybody investigate behaviour of FreeBSD during controller > take-over and reset ? > > SY, > Alexander Bezroutchko Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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