SCSI block or streaming commands
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SCSI block or streaming commands

 
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Zen
Guest
Posted: Wed Nov 30, 2005 1:16 am    Post subject: SCSI block or streaming commands Reply with quote
Is there any advantage(s) using SCSI block commands (SBC) against SCSI
streaming commands (SSC) over Fibre Channel for large file transfers
(streaming)? Which one is more efficient? Does any one have seen such
topic being discussed or analyzed?

Your input and direction is truly appreciated.

Regards,

Zen
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Zen
Guest
Posted: Fri Dec 09, 2005 12:31 am    Post subject: Re: SCSI block or streaming commands Reply with quote
In additon to my previous question just for clarification.
Our application uses a solid-state disk which can emulate either a disk
for a
tape for large file transfer or data streaming. We would like to find
out which
emulating mode (disk or tape and thereof its associating SCSI protocol
) is more efficient for large file tranfer or data streaming in FCP
(SCSI
protocol for Fibre Channel) network. Does anyone know any related
analysis
is done somewhere?

Regards, Zen
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Anton Rang
Guest
Posted: Fri Dec 09, 2005 1:16 am    Post subject: Re: SCSI block or streaming commands Reply with quote
"Zen" <abel.chen@ngc.com> writes:
Quote:
Our application uses a solid-state disk which can emulate either a disk
or a tape for large file transfer or data streaming. We would like to find
out which emulating mode is more efficient

Benchmark it?

There's no difference between the protocols as far as efficiency, so any
difference you'll see will be due to the emulation.

Anton
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