From: Aleksey Korotkov <ziga@udm.ru>
To: community@altlinux.ru
Subject: Re: [Comm] CD-RW: what best - SCSI or ATAPI?
Date: Tue, 21 Oct 2003 02:42:10 +0500
Message-ID: <20031021024210.378b8b46.ziga@udm.ru> (raw)
In-Reply-To: <3F9433A5.9050506@freemail.com.ua>
On Mon, 20 Oct 2003 22:12:37 +0300
Yuriy <law@freemail.com.ua> wrote:
Y> Вопрос: какой вариант лучше - scsi, или ATAPI?
Y> (и хотелось бы знать почему :-)
В документации к cdrtools Шиллинг ясно пишет, в каких
только случаях следует пользоваться dev=ATAPI:
This code is only needed in order to be able to use
PCATA CD-writers on notebooks because there is a severe kernel bug.
Статус фичи:
Linux-2.4.xx includes a CDROM Packet interface in the
IDE CD driver. For this driver libscg now includes
support in pre-alpha status.
^^^^^^^^^^^^^^^^^^^^^^^^^
И почему следует пользоваться ide-scsi (неудачное название
эмуляция scsi):
The ATAPI standard describes method of sending SCSI commands over IDE
transport with some small limitations to the "real" SCSI standard.
SCSI commands are send via IDE transport using the 'ATA packet'
command. There is no SCSI emulation - ATAPI drives include native
SCSI command support. For this reason, sending SCSI commands to ATAPI
drives is the native method of supporting ATAPI devices. Just imagine
that IDE is one of many SCSI low level transport mechanisms.
Если этого мало -- вот дополнительный аргумент: без ide-scsi
не сможете пользоваться cdrdao. Сам я в последнее время
перешёл на связку mkisofs -> cdrdao (с cdrecord, к сожалению,
в последних версиях дело обстоит не лучшим образом :().
--
With best regards,
Aleksey Korotkov
mailto:ziga@uni.udm.ru
next prev parent reply other threads:[~2003-10-20 21:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-20 19:12 Yuriy
2003-10-20 17:15 ` Dmitry Zubov
2003-10-20 21:42 ` Aleksey Korotkov [this message]
2003-10-21 10:14 ` Andrey Rahmatullin
2003-10-21 14:16 ` Sergey Vlasov
2003-10-22 8:50 ` Maxim Britov
2003-10-21 7:10 ` Eugene Ostapets
2003-10-21 14:11 ` Alexei Takaseev
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