Re: Devices not supporting read-6....

From: Drew Eckhardt (drew@Poohsticks.Org)
Date: Wed Feb 02 2000 - 00:40:26 EST


In The Beginning (late 1991), Linux developers were chronically broke college
students running whatever obsolete hardware we managed to scrounge up.

In the SCSI-1 spec that some of this conformed to, Read-6 was required.
Read-10 was suggested as a good idea. Since some devices Wedged until
power cycled when fed a command they didn't support, I figured that
using Read-6 until we absolutely positively had to use Read-10 was a
fine idea.

In the 00's, it's probably a better idea to always use Read-10 unless
we're talking to a SCSI-1 device with READ CAPACITY returning a size
that can be accessed with Read-6 commands.

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