No Device Model or Serial Number (Maxtor “one touch”) …
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Should I trust SMART monitoring tools or the Linux kernel drivers?
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root@Microknoppix:~# sudo smartctl -i /dev/sdd
smartctl 5.43 2012-05-01 r3539 [i686-linux-3.3.7] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Device Model: [No Information Found]
Serial Number: [No Information Found]
Firmware Version: [No Information Found]
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: [No Information Found]
ATA Standard is: [No Information Found]
Local Time is: Sun May 12 18:56:16 2013 UTC
SMART support is: Ambiguous – ATA IDENTIFY DEVICE words 82-83 don’t show if SMART supported.
SMART support is: Ambiguous – ATA IDENTIFY DEVICE words 85-87 don’t show if SMART is enabled.
SMART support is: Unknown – Try option -s with argument ‘on’ to enable it.
root@Microknoppix:~# sudo smartctl -s on -i /dev/sdd
smartctl 5.43 2012-05-01 r3539 [i686-linux-3.3.7] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net

=== START OF INFORMATION SECTION ===
Device Model: �z���


Serial Number: [��z���


Firmware Version: [No Information Found]
Device is: Not in smartctl database [for details use: -P showall]
ATA Version is: 8
ATA Standard is: ACS-2 (unknown minor revision code: 0x0020)
Local Time is: Sun May 12 18:56:35 2013 UTC
SMART support is: Ambiguous – ATA IDENTIFY DEVICE words 82-83 don’t show if SMART supported.
SMART support is: Ambiguous – ATA IDENTIFY DEVICE words 85-87 don’t show if SMART is enabled.
A mandatory SMART command failed: exiting. To continue, add one or more ‘-T permissive’ options.
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what I can’t quite get is that even if SMART doesn’t seem to be able to probe this data, the Linux kernel I/O drivers seem to be getting a grasp on the drive without any problems:
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[38358.919525] usb 1-3: new high-speed USB device number 10 using ehci_hcd
[38359.044118] usb 1-3: New USB device found, idVendor=0d49, idProduct=7350
[38359.044123] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[38359.044126] usb 1-3: Product: OneTouch
[38359.044128] usb 1-3: Manufacturer: Maxtor
[38359.044130] usb 1-3: SerialNumber: 2HAS5DYX
[38359.044870] scsi8 : usb-storage 1-3:1.0
[38360.046907] scsi 8:0:0:0: Direct-Access Maxtor OneTouch 0125 PQ: 0 ANSI: 4
[38360.047082] sd 8:0:0:0: Attached scsi generic sg3 type 0
[38360.047761] sd 8:0:0:0: [sdd] 488397168 512-byte logical blocks: (250 GB/232 GiB)
[38360.048390] sd 8:0:0:0: [sdd] Write Protect is off
[38360.048394] sd 8:0:0:0: [sdd] Mode Sense: 2d 08 00 00
[38360.049006] sd 8:0:0:0: [sdd] No Caching mode page present
[38360.049010] sd 8:0:0:0: [sdd] Assuming drive cache: write through
[38360.051387] sd 8:0:0:0: [sdd] No Caching mode page present
[38360.051392] sd 8:0:0:0: [sdd] Assuming drive cache: write through
[38360.106208] sdd: sdd1
[38360.108521] sd 8:0:0:0: [sdd] No Caching mode page present
[38360.108526] sd 8:0:0:0: [sdd] Assuming drive cache: write through
[38360.108530] sd 8:0:0:0: [sdd] Attached SCSI disk
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