From: Iain Buchanan <iaindb@netspace.net.au>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] usb1 performance out of usb2 external HD
Date: Mon, 16 Jan 2006 23:38:07 +0930 [thread overview]
Message-ID: <1137420487.14296.5.camel@orpheus> (raw)
In-Reply-To: <7573e9640601160540q35c78777ja920a85578209f53@mail.gmail.com>
On Mon, 2006-01-16 at 06:40 -0700, Richard Fish wrote:
> On 1/15/06, Iain Buchanan <iaindb@netspace.net.au> wrote:
> > Hi all,
> > $ sudo hdparm -tT /dev/sdd
> >
> > /dev/sdd:
> > Timing cached reads: 3640 MB in 2.00 seconds = 1820.28 MB/sec
> > Timing buffered disk reads: 30 MB in 3.13 seconds = 9.60 MB/sec
> >
> > 9.6 is pretty slow! I should be able to get at least double that...
actually, I should be able to get 4x that...
> Please post the dmesg output from plugging in the drive.
Note, there are 4 LUNS on this device, the first 3 are card readers ,so
they show with no media (no drive or partitions), the fourth (sdd) is
the ide drive.
relevant dmesg:
usb 5-4: new high speed USB device using ehci_hcd and address 6
scsi2 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 6
usb-storage: waiting for device to settle before scanning
Vendor: Model: VP6230 Rev: 1.07
Type: Direct-Access ANSI SCSI revision: 00
sd 2:0:0:0: Attached scsi removable disk sda
sd 2:0:0:0: Attached scsi generic sg0 type 0
Vendor: Model: VP6230 Rev: 1.07
Type: Direct-Access ANSI SCSI revision: 00
sd 2:0:0:1: Attached scsi removable disk sdb
sd 2:0:0:1: Attached scsi generic sg1 type 0
Vendor: Model: VP6230 Rev: 1.07
Type: Direct-Access ANSI SCSI revision: 00
sd 2:0:0:2: Attached scsi removable disk sdc
sd 2:0:0:2: Attached scsi generic sg2 type 0
Vendor: Model: VP6230 Rev: 1.07
Type: Direct-Access ANSI SCSI revision: 00
SCSI device sdd: 195371568 512-byte hdwr sectors (100030 MB)
sdd: assuming drive cache: write through
SCSI device sdd: 195371568 512-byte hdwr sectors (100030 MB)
sdd: assuming drive cache: write through
sdd: sdd1 sdd2 sdd3 sdd4 < sdd5 sdd6 sdd7 sdd8 sdd9 sdd10 sdd11 >
sd 2:0:0:3: Attached scsi disk sdd
sd 2:0:0:3: Attached scsi generic sg3 type 0
usb-storage: device scan complete
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd1, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
NTFS volume version 3.1.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd3, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
NTFS volume version 3.1.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd7, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd8, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd9, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd10, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting. Commit interval 5 seconds
EXT3 FS on sdd11, internal journal
EXT3-fs: recovery complete.
EXT3-fs: mounted filesystem with ordered data mode.
> Also the
> output of "zgrep USB /proc/config.gz | grep -v "^#" (or use grep &
> /usr/src/linux/.config if you don't have /proc/config.gz).
$ zgrep USB /proc/config.gz | grep -v "^#"
CONFIG_USB_IRDA=m
CONFIG_BT_HCIUSB=m
CONFIG_BT_HCIUSB_SCO=y
CONFIG_BT_HCIBFUSB=m
CONFIG_USB_ARCH_HAS_HCD=y
CONFIG_USB_ARCH_HAS_OHCI=y
CONFIG_USB=m
CONFIG_USB_DEVICEFS=y
CONFIG_USB_EHCI_HCD=m
CONFIG_USB_UHCI_HCD=m
CONFIG_USB_PRINTER=m
CONFIG_USB_STORAGE=m
CONFIG_USB_HID=m
CONFIG_USB_HIDINPUT=y
CONFIG_USB_HIDDEV=y
CONFIG_USB_PEGASUS=m
CONFIG_USB_SERIAL=m
CONFIG_USB_SERIAL_GENERIC=y
CONFIG_USB_SERIAL_PL2303=m
CONFIG_USB_SISUSBVGA=m
thanks for the help,
Iain.
--
Iain Buchanan <iaindb at netspace dot net dot au>
(Never thought I'd be telling Malcolm and Ilya the same thing... :-)
-- Larry Wall in <199711071819.KAA29909@wall.org>
--
gentoo-user@gentoo.org mailing list
next prev parent reply other threads:[~2006-01-16 14:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-16 6:38 [gentoo-user] usb1 performance out of usb2 external HD Iain Buchanan
2006-01-16 7:17 ` Willie Wong
2006-01-16 7:29 ` Iain Buchanan
2006-01-16 13:40 ` Richard Fish
2006-01-16 14:08 ` Iain Buchanan [this message]
2006-01-16 14:21 ` Richard Fish
2006-01-16 16:39 ` [gentoo-user] How can I unsubscribe? "Markus Döbele"
2006-01-16 17:13 ` Holly Bostick
2006-01-16 17:34 ` Christoph Daldrup
2006-01-16 18:32 ` [gentoo-user] " Charles Marcus
2006-01-16 20:34 ` [gentoo-user] " Andrea Barisani
2006-01-17 22:40 ` Nick Rout
2006-01-16 23:16 ` [gentoo-user] usb1 performance out of usb2 external HD Iain Buchanan
2006-01-16 17:46 ` Trenton Adams
2006-01-16 23:22 ` Iain Buchanan
2006-01-17 0:43 ` Trenton Adams
2006-01-17 0:47 ` Trenton Adams
2006-01-17 2:14 ` b.n.
2006-01-17 3:06 ` Trenton Adams
2006-01-17 8:48 ` Neil Bothwick
2006-01-17 23:52 ` b.n.
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