Date: Wed, 5 Aug 2009 17:01:23 -0700 From: Tim <tim-projects@sentinelchicken.org> To: d@delphij.net Cc: freebsd-scsi@freebsd.org Subject: Re: "Inappropriate ioctl for device" when using scsi_sg Message-ID: <20090806000123.GJ2654@sentinelchicken.org> In-Reply-To: <4A7A19F3.1040207@delphij.net> References: <20090805013213.GF2654@sentinelchicken.org> <4A7A19F3.1040207@delphij.net>
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Xin,
Thanks much for your response.
> My understanding is that, by default (GENERIC), sg device is not
> compiled into the kernel, so, in order to use it, you may have to
> compile your own kernel and add:
>
> device sg
>
> In the configuration. The device would appear as "/dev/sg0", etc.;
> Linux style "/dev/sga /dev/sgb" would appear as symlinks.
I figured it might be something like that. Oddly, Linux allows me to
send these special SCSI commands directly to the original disk devices
(such as /dev/sd{a,b,c,..}) without the need for using any sg-specific
device files. Using /dev/sg{0,...} is not a problem though. I'll
have to find a system to do a full install on and get that compiled
in.
Thanks again,
tim
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