Re: [gentoo-user] usb1 performance out of usb2 external HD - gentoo-user

From:	Iain Buchanan <iaindb@××××××××××××.au>
To:	gentoo-user@l.g.o
Subject:	Re: [gentoo-user] usb1 performance out of usb2 external HD
Date:	Mon, 16 Jan 2006 14:16:56
Message-Id:	`1137420487.14296.5.camel@orpheus`
In Reply to:	Re: [gentoo-user] usb1 performance out of usb2 external HD by Richard Fish

1

On Mon, 2006-01-16 at 06:40 -0700, Richard Fish wrote:

2

> On 1/15/06, Iain Buchanan <iaindb@××××××××××××.au> wrote:

3

> > Hi all,

4

> > $ sudo hdparm -tT /dev/sdd

5

> >

6

> > /dev/sdd:

7

> >  Timing cached reads:   3640 MB in  2.00 seconds = 1820.28 MB/sec

8

> >  Timing buffered disk reads:   30 MB in  3.13 seconds =   9.60 MB/sec

9

> >

10

> > 9.6 is pretty slow! I should be able to get at least double that...

11

12

actually, I should be able to get 4x that...

13

14

> Please post the dmesg output from plugging in the drive.

15

16

Note, there are 4 LUNS on this device, the first 3 are card readers ,so

17

they show with no media (no drive or partitions), the fourth (sdd) is

18

the ide drive.

19

relevant dmesg:

20

21

usb 5-4: new high speed USB device using ehci_hcd and address 6

22

scsi2 : SCSI emulation for USB Mass Storage devices

23

usb-storage: device found at 6

24

usb-storage: waiting for device to settle before scanning

25

  Vendor:           Model: VP6230            Rev: 1.07

26

  Type:   Direct-Access                      ANSI SCSI revision: 00

27

sd 2:0:0:0: Attached scsi removable disk sda

28

sd 2:0:0:0: Attached scsi generic sg0 type 0

29

  Vendor:           Model: VP6230            Rev: 1.07

30

  Type:   Direct-Access                      ANSI SCSI revision: 00

31

sd 2:0:0:1: Attached scsi removable disk sdb

32

sd 2:0:0:1: Attached scsi generic sg1 type 0

33

  Vendor:           Model: VP6230            Rev: 1.07

34

  Type:   Direct-Access                      ANSI SCSI revision: 00

35

sd 2:0:0:2: Attached scsi removable disk sdc

36

sd 2:0:0:2: Attached scsi generic sg2 type 0

37

  Vendor:           Model: VP6230            Rev: 1.07

38

  Type:   Direct-Access                      ANSI SCSI revision: 00

39

SCSI device sdd: 195371568 512-byte hdwr sectors (100030 MB)

40

sdd: assuming drive cache: write through

41

SCSI device sdd: 195371568 512-byte hdwr sectors (100030 MB)

42

sdd: assuming drive cache: write through

43

 sdd: sdd1 sdd2 sdd3 sdd4 < sdd5 sdd6 sdd7 sdd8 sdd9 sdd10 sdd11 >

44

sd 2:0:0:3: Attached scsi disk sdd

45

sd 2:0:0:3: Attached scsi generic sg3 type 0

46

usb-storage: device scan complete

47

kjournald starting.  Commit interval 5 seconds

48

EXT3 FS on sdd1, internal journal

49

EXT3-fs: recovery complete.

50

EXT3-fs: mounted filesystem with ordered data mode.

51

NTFS volume version 3.1.

52

kjournald starting.  Commit interval 5 seconds

53

EXT3 FS on sdd3, internal journal

54

EXT3-fs: recovery complete.

55

EXT3-fs: mounted filesystem with ordered data mode.

56

NTFS volume version 3.1.

57

kjournald starting.  Commit interval 5 seconds

58

EXT3 FS on sdd7, internal journal

59

EXT3-fs: recovery complete.

60

EXT3-fs: mounted filesystem with ordered data mode.

61

kjournald starting.  Commit interval 5 seconds

62

EXT3 FS on sdd8, internal journal

63

EXT3-fs: recovery complete.

64

EXT3-fs: mounted filesystem with ordered data mode.

65

kjournald starting.  Commit interval 5 seconds

66

EXT3 FS on sdd9, internal journal

67

EXT3-fs: recovery complete.

68

EXT3-fs: mounted filesystem with ordered data mode.

69

kjournald starting.  Commit interval 5 seconds

70

EXT3 FS on sdd10, internal journal

71

EXT3-fs: recovery complete.

72

EXT3-fs: mounted filesystem with ordered data mode.

73

kjournald starting.  Commit interval 5 seconds

74

EXT3 FS on sdd11, internal journal

75

EXT3-fs: recovery complete.

76

EXT3-fs: mounted filesystem with ordered data mode.

77

78

>   Also the

79

> output of "zgrep USB /proc/config.gz | grep -v "^#" (or use grep &

80

> /usr/src/linux/.config if you don't have /proc/config.gz).

81

82

$ zgrep USB /proc/config.gz | grep -v "^#"

83

CONFIG_USB_IRDA=m

84

CONFIG_BT_HCIUSB=m

85

CONFIG_BT_HCIUSB_SCO=y

86

CONFIG_BT_HCIBFUSB=m

87

CONFIG_USB_ARCH_HAS_HCD=y

88

CONFIG_USB_ARCH_HAS_OHCI=y

89

CONFIG_USB=m

90

CONFIG_USB_DEVICEFS=y

91

CONFIG_USB_EHCI_HCD=m

92

CONFIG_USB_UHCI_HCD=m

93

CONFIG_USB_PRINTER=m

94

CONFIG_USB_STORAGE=m

95

CONFIG_USB_HID=m

96

CONFIG_USB_HIDINPUT=y

97

CONFIG_USB_HIDDEV=y

98

CONFIG_USB_PEGASUS=m

99

CONFIG_USB_SERIAL=m

100

CONFIG_USB_SERIAL_GENERIC=y

101

CONFIG_USB_SERIAL_PL2303=m

102

CONFIG_USB_SISUSBVGA=m

103

104

thanks for the help,

105

Iain.

106

--

107

Iain Buchanan <iaindb at netspace dot net dot au>

108

109

(Never thought I'd be telling Malcolm and Ilya the same thing... :-)

110

             -- Larry Wall in <199711071819.KAA29909@××××.org>

111

112

--

113

gentoo-user@g.o mailing list

Gentoo Archives: gentoo-user

Replies

1	On Mon, 2006-01-16 at 06:40 -0700, Richard Fish wrote:
2	> On 1/15/06, Iain Buchanan <iaindb@××××××××××××.au> wrote:
3	> > Hi all,
4	> > $ sudo hdparm -tT /dev/sdd
5	> >
6	> > /dev/sdd:
7	> > Timing cached reads: 3640 MB in 2.00 seconds = 1820.28 MB/sec
8	> > Timing buffered disk reads: 30 MB in 3.13 seconds = 9.60 MB/sec
9	> >
10	> > 9.6 is pretty slow! I should be able to get at least double that...
11
12	actually, I should be able to get 4x that...
13
14	> Please post the dmesg output from plugging in the drive.
15
16	Note, there are 4 LUNS on this device, the first 3 are card readers ,so
17	they show with no media (no drive or partitions), the fourth (sdd) is
18	the ide drive.
19	relevant dmesg:
20
21	usb 5-4: new high speed USB device using ehci_hcd and address 6
22	scsi2 : SCSI emulation for USB Mass Storage devices
23	usb-storage: device found at 6
24	usb-storage: waiting for device to settle before scanning
25	Vendor: Model: VP6230 Rev: 1.07
26	Type: Direct-Access ANSI SCSI revision: 00
27	sd 2:0:0:0: Attached scsi removable disk sda
28	sd 2:0:0:0: Attached scsi generic sg0 type 0
29	Vendor: Model: VP6230 Rev: 1.07
30	Type: Direct-Access ANSI SCSI revision: 00
31	sd 2:0:0:1: Attached scsi removable disk sdb
32	sd 2:0:0:1: Attached scsi generic sg1 type 0
33	Vendor: Model: VP6230 Rev: 1.07
34	Type: Direct-Access ANSI SCSI revision: 00
35	sd 2:0:0:2: Attached scsi removable disk sdc
36	sd 2:0:0:2: Attached scsi generic sg2 type 0
37	Vendor: Model: VP6230 Rev: 1.07
38	Type: Direct-Access ANSI SCSI revision: 00
39	SCSI device sdd: 195371568 512-byte hdwr sectors (100030 MB)
40	sdd: assuming drive cache: write through
41	SCSI device sdd: 195371568 512-byte hdwr sectors (100030 MB)
42	sdd: assuming drive cache: write through
43	sdd: sdd1 sdd2 sdd3 sdd4 < sdd5 sdd6 sdd7 sdd8 sdd9 sdd10 sdd11 >
44	sd 2:0:0:3: Attached scsi disk sdd
45	sd 2:0:0:3: Attached scsi generic sg3 type 0
46	usb-storage: device scan complete
47	kjournald starting. Commit interval 5 seconds
48	EXT3 FS on sdd1, internal journal
49	EXT3-fs: recovery complete.
50	EXT3-fs: mounted filesystem with ordered data mode.
51	NTFS volume version 3.1.
52	kjournald starting. Commit interval 5 seconds
53	EXT3 FS on sdd3, internal journal
54	EXT3-fs: recovery complete.
55	EXT3-fs: mounted filesystem with ordered data mode.
56	NTFS volume version 3.1.
57	kjournald starting. Commit interval 5 seconds
58	EXT3 FS on sdd7, internal journal
59	EXT3-fs: recovery complete.
60	EXT3-fs: mounted filesystem with ordered data mode.
61	kjournald starting. Commit interval 5 seconds
62	EXT3 FS on sdd8, internal journal
63	EXT3-fs: recovery complete.
64	EXT3-fs: mounted filesystem with ordered data mode.
65	kjournald starting. Commit interval 5 seconds
66	EXT3 FS on sdd9, internal journal
67	EXT3-fs: recovery complete.
68	EXT3-fs: mounted filesystem with ordered data mode.
69	kjournald starting. Commit interval 5 seconds
70	EXT3 FS on sdd10, internal journal
71	EXT3-fs: recovery complete.
72	EXT3-fs: mounted filesystem with ordered data mode.
73	kjournald starting. Commit interval 5 seconds
74	EXT3 FS on sdd11, internal journal
75	EXT3-fs: recovery complete.
76	EXT3-fs: mounted filesystem with ordered data mode.
77
78	> Also the
79	> output of "zgrep USB /proc/config.gz \| grep -v "^#" (or use grep &
80	> /usr/src/linux/.config if you don't have /proc/config.gz).
81
82	$ zgrep USB /proc/config.gz \| grep -v "^#"
83	CONFIG_USB_IRDA=m
84	CONFIG_BT_HCIUSB=m
85	CONFIG_BT_HCIUSB_SCO=y
86	CONFIG_BT_HCIBFUSB=m
87	CONFIG_USB_ARCH_HAS_HCD=y
88	CONFIG_USB_ARCH_HAS_OHCI=y
89	CONFIG_USB=m
90	CONFIG_USB_DEVICEFS=y
91	CONFIG_USB_EHCI_HCD=m
92	CONFIG_USB_UHCI_HCD=m
93	CONFIG_USB_PRINTER=m
94	CONFIG_USB_STORAGE=m
95	CONFIG_USB_HID=m
96	CONFIG_USB_HIDINPUT=y
97	CONFIG_USB_HIDDEV=y
98	CONFIG_USB_PEGASUS=m
99	CONFIG_USB_SERIAL=m
100	CONFIG_USB_SERIAL_GENERIC=y
101	CONFIG_USB_SERIAL_PL2303=m
102	CONFIG_USB_SISUSBVGA=m
103
104	thanks for the help,
105	Iain.
106	--
107	Iain Buchanan <iaindb at netspace dot net dot au>
108
109	(Never thought I'd be telling Malcolm and Ilya the same thing... :-)
110	-- Larry Wall in <199711071819.KAA29909@××××.org>
111
112	--
113	gentoo-user@g.o mailing list