Date: Thu, 13 Feb 2003 10:42:17 +0900 From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: FreeBSD Stable List <freebsd-stable@freebsd.org>, Hidetoshi Shimokawa <simokawa@freebsd.org> Subject: Re: sbp + drive enclosures Message-ID: <ybs8ywlrm6e.wl@ett.sat.t.u-tokyo.ac.jp> In-Reply-To: <1045099783.398.20.camel@chowder.gsoft.com.au> References: <1045096485.398.14.camel@chowder.gsoft.com.au> <ybsadh1rnsz.wl@ett.sat.t.u-tokyo.ac.jp> <1045099783.398.20.camel@chowder.gsoft.com.au>
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At 13 Feb 2003 11:59:43 +1030, Daniel O'Connor wrote: > > On Thu, 2003-02-13 at 11:37, Hidetoshi Shimokawa wrote: > > > Unfortunately when I disconnect it the firewire half seems to notice, > > > but it doesn't notify the SCSI layer :( > > This seems FAQ, I should add description to manpage.. > > Ahh, I read the 00README file, but I didn't see the FAQ. Unfortunately, no FAQ yet ... > > This is intentional because some drive might be > > failed to be proved after bus reset. To prevent detaching > > mounted filesystem, it's not detached at first bus reset. > > After several bus reset it will notify to the SCSI layer. > > Try 'fwcontrol -r' several times or don't worry about it too much :-) > > Ahh.. Takes a few though. Is it possible to add a 'Really go away' > command? depends on how a user notifies to kernel. sbp doesn't have a device node yet so i cannot do ioctl now. I thinks the command should be issued from CAM layer but I don't know what command should be used. > > This behavier enables us active filesystem detaching and reattaching. > > Even while the some process is writing/reading activily on the > > filesystem it sould be safely detached and then reattached safely. > > OK, I wasn't sure given my other problem ;) It seems that I should put back some M_NOWAIT flags to malloc. I'll send you patch later. /\ Hidetoshi Shimokawa \/ simokawa@sat.t.u-tokyo.ac.jp PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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