Firewire vs USB2 ....

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Auteur: Jerome KIEFFER
Date:  
À: guilde
Sujet: Firewire vs USB2 ....

Moi j'ai ca :

FireWire (IEEE 1394): Agere Systems FW323 (rev 04) : 6 Mo/s
USB Controller: VIA Technologies, Inc. USB 2.0 (rev 51) : 11 Mo/s

les logs :

ieee1394: Error parsing configrom for node 0-01:1023
ieee1394: The root node is not cycle master capable; selecting a new
root node and resetting... ieee1394: Node added: ID:BUS[0-00:1023]  GUID
[0001a3100025022d] ieee1394: Node changed: 0-00:1023 -> 0-01:1023
scsi0 : SCSI emulation for IEEE-1394 SBP-2 Devices
ieee1394: sbp2: Logged into SBP-2 device
ieee1394: sbp2: Forcing SBP-2 max speed down to S100
ieee1394: Node 0-00:1023: Max speed [S100] - Max payload [512]
  Vendor: FUJITSU   Model: MHS2030AT         Rev: 0.01
  Type:   Direct-Access                      ANSI SCSI revision: 02
SCSI device sda: 58605120 512-byte hdwr sectors (30006 MB)
SCSI device sda: drive cache: write through
SCSI device sda: 58605120 512-byte hdwr sectors (30006 MB)
SCSI device sda: drive cache: write through
 /dev/scsi/host0/bus0/target0/lun0: p1 p2 p3 p4
Attached scsi disk sda at scsi0, channel 0, id 0, lun 0
taz:/home/jerome# hdparm -tT /dev/sda


/dev/sda:
Timing cached reads: 804 MB in 2.00 seconds = 401.86 MB/sec
Timing buffered disk reads: 18 MB in 3.14 seconds = 5.74 MB/sec

usb 5-2.3: new high speed USB device using ehci_hcd and address 4
scsi1 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 4
usb-storage: waiting for device to settle before scanning
  Vendor: FUJITSU   Model: MHS2030AT         Rev: 0811
  Type:   Direct-Access                      ANSI SCSI revision: 00
SCSI device sda: 58605120 512-byte hdwr sectors (30006 MB)
sda: assuming drive cache: write through
SCSI device sda: 58605120 512-byte hdwr sectors (30006 MB)
sda: assuming drive cache: write through
 /dev/scsi/host1/bus0/target0/lun0: p1 p2 p3 p4
Attached scsi disk sda at scsi1, channel 0, id 0, lun 0
usb-storage: device scan complete
taz:/home/jerome# hdparm -tT /dev/sda


/dev/sda:
Timing cached reads: 1016 MB in 2.00 seconds = 507.82 MB/sec
Timing buffered disk reads: 36 MB in 3.14 seconds = 11.46 MB/sec


-- 
Jérôme KIEFFER  : http://www.terre-adelie.org
First they ignore you, then they laugh at you,
then they fight you, then you win.
                    Mahatma Gandhi (1869-1948)