site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=9LojEHaBtB6wdV6MuRnBPqU8g+6BP1/bO5MGPIqNhW0=; b=K+bRSwcEY5oXKKeOOcvDp55tfeR2NyKYu6HPrdRcAzXPb3Oxs2q2lWjnIkNw208XEz pYQ8gQZQTQGUJpotGy7rDe4Ejy4NvIAHyvtpuIqHDyRSuqWgFAvdJq8KmjKnJBEdTVkV 15rnTswhPq43S2YSKYGqGElnLvQcIpKZBtzvY= Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=qNJOJ3BnhXpeK55p0/n+9q0lamiRoa7c4x273fmXvEYwueMseoC2BGaH3USQzPgF9O pOw1uPR4uJSMUd2O2gedpYJvrBqQr/ntU6hbnepunDa3BNeoQ8dZiAlz0xgqf1N3gSNU qLfC3uhpohvar4NaXCIGqT6W8QQD7x8Q0vf80= Also, can ioctl() be used in any way to send SCSI commands to devices? On 7/23/09, rohan a <info1686@gmail.com> wrote:

Hello, I am trying to learn SCSI programming on Mac OS X. While reading a document "Working with Sam" I read that only INQUIRY and TEST_UNIT_READY commands can be sent using the IO registry. Does that mean even sending SCSI Read or Write commands is not possible without writing a driver for the device?

So if I need to write a backup/restore tool that backups to SCSI tape devices, will I also need to write drivers for the tape?

Thanks

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