Date: Sun, 26 Jan 1997 00:23:33 +1100 From: Bruce Evans <bde@zeta.org.au> To: imp@village.org, scsi@freebsd.org Subject: Re: Question about the scsi sub system. Message-ID: <199701251323.AAA25410@godzilla.zeta.org.au>
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>whenever I touch the raw device (say with dump) when it has spun >down. I don't get these messages when I go through the file system. >Once I get this error, it is the kiss of death for that device and all >further attempts return I/O error, even through the file system. Mounting a file system keeps the device open. So does swapping. This stops the sd_close() routine from allowing ejection of the disk. Other than that, there is nothing special about raw i/o at the device driver level. Unmounting the file system should break things just as well as closing the raw device :-). Turning off swapping is not supported :-(. Ejection isn't allowed even after shutdown. Bruce
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