Re: PATCH: cdrecord: avoiding scsi device numbering for ide devices

Joerg Schilling
2004-08-07T00:02:08Z

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>From: Martin Mares <mj@ucw.cz>

>> Let me lead you to the right place to look for:
>>
>> The CAM interface (which is from the SCSI standards group)
>> usually is implemeted in a way that applications open /dev/cam and
>> later supply bus, target and lun in order to get connected
>> to any device on the system that talks SCSI.
>>
>> Let me repeat: If you believe that this is a bad idea, give very good reasons.

>There is one: hotplug. The physical topology of buses where all the SCSI-like
>devices (being it ATAPI devices, iSCSI, USB disks or other such beasts)
>are connected is too complex, so every attempt to map them to the
>(bus, target, lun) triplets in any sane way is destined to fail.

I see always the same answers from Linux people who don't know anyrthing than
their belly button :-(

Chek Solaris to see that your statements are wrong.

Jörg

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