I get about 3MB/s from this drive.
Anything I can do to get better performance?
Please Cc me on any replies.
btw: any news about the hang with concurrent use of 2 or more disks on the
same controller?
Kernel 2.4.21-pre6 on RedHat 8.0 with all updates
# lspci -vvv
00:04.2 USB Controller: NEC Corporation USB 2.0 (rev 04) (prog-if 20 [EHCI])
Subsystem: Unknown device 0ee4:3383
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Stepping-
SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64 (4000ns min, 8500ns max), cache line size 08
Interrupt: pin C routed to IRQ 11
Region 0: Memory at 41400000 (32-bit, non-prefetchable) [size=256]
Capabilities: [40] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA
PME(D0+,D1+,D2+,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
[from messages]
Mar 29 02:28:54 stuff kernel: PCI: Found IRQ 11 for device 00:04.2
Mar 29 02:28:54 stuff kernel: PCI: Sharing IRQ 11 with 00:03.0
Mar 29 02:28:54 stuff kernel: ehci-hcd 00:04.2: NEC Corporation USB 2.0
Mar 29 02:28:54 stuff kernel: ehci-hcd 00:04.2: irq 11, pci mem cd8b3000
Mar 29 02:28:54 stuff kernel: usb.c: new USB bus registered, assigned bus number 1
Mar 29 02:28:54 stuff kernel: ehci-hcd 00:04.2: USB 2.0 enabled, EHCI 1.00, driver
2003-Jan-22
Mar 29 02:28:54 stuff kernel: hub.c: USB hub found
Mar 29 02:28:54 stuff kernel: hub.c: 5 ports detected
Mar 29 02:28:55 stuff kernel: hub.c: new USB device 00:04.2-3, assigned address 2
Mar 29 02:28:55 stuff kernel: usb.c: USB device 2 (vend/prod 0xd49/0x5000) is not
claimed by any active driver.
Mar 29 02:28:55 stuff kernel: hub.c: new USB device 00:04.2-4, assigned address 3
Mar 29 02:28:55 stuff kernel: usb.c: USB device 3 (vend/prod 0xd49/0x5000) is not
claimed by any active driver.
Mar 29 02:28:57 stuff /etc/hotplug/usb.agent: Setup usbcore for USB product 0/0/204
Mar 29 02:28:57 stuff modprobe: modprobe: Can't locate module usbcore
Mar 29 02:28:58 stuff /etc/hotplug/usb.agent: Setup usb-storage for USB product
d49/5000/100
Mar 29 02:28:58 stuff kernel: Initializing USB Mass Storage driver...
Mar 29 02:28:58 stuff kernel: usb.c: registered new driver usb-storage
Mar 29 02:28:58 stuff kernel: scsi1 : SCSI emulation for USB Mass Storage devices
Mar 29 02:28:58 stuff kernel: Vendor: Maxtor Model: 5000XT v01.00.00 Rev: 0100
Mar 29 02:28:58 stuff kernel: Type: Direct-Access ANSI SCSI
revision: 02
Mar 29 02:28:58 stuff kernel: Attached scsi disk sda at scsi1, channel 0, id 0, lun 0
Mar 29 02:28:58 stuff kernel: SCSI device sda: 490232832 512-byte hdwr sectors (250999
MB)
Mar 29 02:28:58 stuff kernel: sda: sda1
Mar 29 02:28:58 stuff kernel: scsi2 : SCSI emulation for USB Mass Storage devices
Mar 29 02:28:58 stuff kernel: Vendor: Maxtor Model: 5000XT v01.00.00 Rev: 0100
Mar 29 02:28:58 stuff kernel: Type: Direct-Access ANSI SCSI
revision: 02
Mar 29 02:28:58 stuff kernel: Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0
Mar 29 02:28:58 stuff kernel: SCSI device sdb: 490232832 512-byte hdwr sectors (250999
MB)
Mar 29 02:28:58 stuff kernel: sdb: sdb1
Mar 29 02:28:58 stuff kernel: USB Mass Storage support registered.
# lsmod
Module Size Used by Not tainted
usb-storage 26768 1
ehci-hcd 20040 0 (unused)
sd_mod 12364 2 (autoclean)
8139too 17448 1
ide-scsi 12144 0
scsi_mod 99460 4 [usb-storage sd_mod ide-scsi]
ext3 72736 2 (autoclean)
jbd 61416 2 (autoclean) [ext3]
mousedev 5588 0 (unused)
keybdev 2976 0 (unused)
input 5824 0 [mousedev keybdev]
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