Re: Ooops, I killed a hard drive. Any ideas on how I can get the data off?

From: Peter Jensen (usenet_at_pekajemaps.homeip.net)
Date: 08/26/05

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    Date: 26 Aug 2005 16:16:00 GMT

    JDS wrote:

    >> That might work if the drive won't spin up... if it won't power up it
    >> probably won't do anything.
    >
    > Allright, so, I got it powered up somehow, maybe just luck. But I
    > have a buncha errors. /var/log/messages says:
    >
    > Aug 26 10:22:54 newt kernel: usb 2-1: new full speed USB device using uhci_hcd and address 3
    > Aug 26 10:22:55 newt usb.agent[11853]: usb-storage: loaded successfully
    > Aug 26 10:22:55 newt kernel: scsi2 : SCSI emulation for USB Mass Storage devices
    > Aug 26 10:23:00 newt kernel: Vendor: Maxtor Model: 6Y160P0 Rev: YAR4
    > Aug 26 10:23:00 newt kernel: Type: Direct-Access ANSI SCSI revision: 02
    > Aug 26 10:23:00 newt kernel: SCSI device sdb: 320173056 512-byte hdwr sectors (163929 MB)
    > Aug 26 10:23:00 newt kernel: SCSI device sdb: 320173056 512-byte hdwr sectors (163929 MB)
    > Aug 26 10:23:00 newt kernel: sdb: sdb1
    > Aug 26 10:23:00 newt kernel: Attached scsi disk sdb at scsi2, channel 0, id 0, lun 0
    > Aug 26 10:23:00 newt kernel: Attached scsi generic sg1 at scsi2, channel 0, id 0, lun 0, type 0
    > Aug 26 10:23:06 newt scsi.agent[11916]: update fstab on add device
    > Aug 26 10:23:26 newt kernel: VFS: Can't find a valid FAT filesystem on dev sdb1.
    > Aug 26 10:23:26 newt kernel: EXT2-fs: sdb1: couldn't mount because of unsupported optional features (4).
    > Aug 26 10:23:26 newt kernel: HFS+-fs: unable to find HFS+ superblock
    > Aug 26 10:23:30 newt kernel: VFS: Can't find a valid FAT filesystem on dev sdb1.
    > Aug 26 10:23:30 newt kernel: EXT2-fs: sdb1: couldn't mount because of unsupported optional features (4).
    > Aug 26 10:23:30 newt kernel: HFS+-fs: unable to find HFS+ superblock
    >
    >
    > Any idea how I can get stuff off this thing?

    Start by taking it out of the USB case and actually put it in the
    computer. Best to eliminate as many points of failure as possible, it
    might just be the USB case electronics that is acting up.

    > I am in the process of running 'fsck -a' -- is that a bad idea?
    >
    > oops. fsck outputs:
    >
    >> fsck -a /dev/sdb1
    > fsck 1.38 (30-Jun-2005)
    > /dev/sdb1: recovering journal
    > fsck.ext3: No such device or address while trying to re-open /dev/sdb1
    > e2fsck: io manager magic bad!

    What file system was on that thing?

    > and /var/log/messages displays:
    >
    > Aug 26 10:26:24 newt kernel: usb 2-1: reset full speed USB device using uhci_hcd and address 3
    > Aug 26 10:26:25 newt kernel: usb 2-1: reset full speed USB device using uhci_hcd and address 3
    > Aug 26 10:26:25 newt kernel: scsi: Device offlined - not ready after error recovery: host 2 channel 0 id 0 lun 0
    > Aug 26 10:26:25 newt kernel: SCSI error : <2 0 0 0> return code = 0x50000
    > Aug 26 10:26:25 newt kernel: end_request: I/O error, dev sdb, sector 58458559
    > Aug 26 10:26:25 newt kernel: lost page write due to I/O error on sdb1
    > Aug 26 10:26:25 newt last message repeated 9 times
    > Aug 26 10:26:26 newt kernel: usb 2-1: new full speed USB device using uhci_hcd and address 4
    > Aug 26 10:26:27 newt scsi.agent[12075]: update fstab on remove device
    > Aug 26 10:26:27 newt usb.agent[12089]: update fstab on remove device
    > Aug 26 10:26:27 newt usb.agent[12151]: usb-storage: loaded successfully
    > Aug 26 10:26:27 newt kernel: scsi3 : SCSI emulation for USB Mass Storage devices
    >
    >
    > Is this thing just plain toast?

    I wouldn't write it off just yet ... 

    -- 
PeKaJe
Elwood:  What kind of music do you get here ma'am?
Barmaid: Why, we get both kinds of music, Country and Western.
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