External hard disk or USB errors

[Vikram Goyal]

On Tue, Nov 04, 2008 at 09:44:25PM +0000, Stewart Williams wrote:
> I have an external USB Maxtor OneTouch 160GB hard disk attached to one of 
> my systems and occasionally after the drive has been connected for  
> sometime, randomly it un-mounts and I have to turn it off and on again  
> before I can re-mount it.
>
> The following errors are logged (please see attached file for full log):
>
> ...
>
> Nov  4 17:10:21 server1 kernel: usb 5-7: USB disconnect, address 68
> Nov  4 17:10:21 server1 kernel: Buffer I/O error on device sda5, logical
> block 731
> Nov  4 17:10:21 server1 kernel: lost page write due to I/O error on sda5
> Nov  4 17:10:21 server1 kernel: Aborting journal on device sda5.
> Nov  4 17:10:21 server1 kernel: journal commit I/O error
> Nov  4 17:10:21 server1 kernel: Buffer I/O error on device sda5, logical
> block 11
> Nov  4 17:10:21 server1 kernel: lost page write due to I/O error on sda5
> Nov  4 17:10:21 server1 kernel: usb 5-7: new high speed USB device using
> ehci_hcd and address 69
> Nov  4 17:10:21 server1 kernel: usb 5-7: configuration #1 chosen from 1
> choice
> Nov  4 17:10:21 server1 kernel: scsi190 : SCSI emulation for USB Mass
> Storage devices
> Nov  4 17:10:21 server1 kernel: usb-storage: device found at 69
> Nov  4 17:10:21 server1 kernel: usb-storage: waiting for device to
> settle before scanning
>
> ...
>
> Can anyone shine any light on wether it's a power, USB, hard disk  
> (failure pending?) or some other problem.
>
> It only does now and again; but it is of concern.
>
> Many Thanks.

> Nov  4 08:53:53 server1 kernel: usb 5-7: USB disconnect, address 67
> Nov  4 08:54:08 server1 kernel: usb 5-7: new high speed USB device using
> ehci_hcd and address 68
> Nov  4 08:54:08 server1 kernel: usb 5-7: configuration #1 chosen from 1
> choice
> Nov  4 08:54:08 server1 kernel: scsi189 : SCSI emulation for USB Mass
> Storage devices
> Nov  4 08:54:08 server1 kernel: usb-storage: device found at 68
> Nov  4 08:54:08 server1 kernel: usb-storage: waiting for device to
> settle before scanning
> Nov  4 08:54:13 server1 kernel: scsi 189:0:0:0: Direct-Access     Maxtor
>   OneTouch         0201 PQ: 0 ANSI: 0 CCS
> Nov  4 08:54:13 server1 kernel: sd 189:0:0:0: [sda] 240119808 512-byte
> hardware sectors (122941 MB)
> Nov  4 08:54:13 server1 kernel: sd 189:0:0:0: [sda] Write Protect is off
> Nov  4 08:54:13 server1 kernel: sd 189:0:0:0: [sda] Mode Sense: 1c 00 00 00
> Nov  4 08:54:13 server1 kernel: sd 189:0:0:0: [sda] Assuming drive
> cache: write through
> Nov  4 08:54:13 server1 kernel: sd 189:0:0:0: [sda] 240119808 512-byte
> hardware sectors (122941 MB)
> Nov  4 08:54:14 server1 kernel: sd 189:0:0:0: [sda] Write Protect is off
> Nov  4 08:54:14 server1 kernel: sd 189:0:0:0: [sda] Mode Sense: 1c 00 00 00
> Nov  4 08:54:14 server1 kernel: sd 189:0:0:0: [sda] Assuming drive
> cache: write through
> Nov  4 08:54:14 server1 kernel:  sda: sda1 < sda5 >
> Nov  4 08:54:14 server1 kernel: sd 189:0:0:0: [sda] Attached SCSI disk
> Nov  4 08:54:14 server1 kernel: usb-storage: device scan complete
> Nov  4 09:00:08 server1 kernel: kjournald starting.  Commit interval 5
> seconds
> Nov  4 09:00:08 server1 kernel: EXT3-fs warning: maximal mount count
> reached, running e2fsck is recommended
> Nov  4 09:00:08 server1 kernel: EXT3 FS on sda5, internal journal
> Nov  4 09:00:08 server1 kernel: EXT3-fs: mounted filesystem with ordered
> data mode.
> Nov  4 17:10:21 server1 kernel: usb 5-7: USB disconnect, address 68
> Nov  4 17:10:21 server1 kernel: Buffer I/O error on device sda5, logical
> block 731
> Nov  4 17:10:21 server1 kernel: lost page write due to I/O error on sda5
> Nov  4 17:10:21 server1 kernel: Aborting journal on device sda5.
> Nov  4 17:10:21 server1 kernel: journal commit I/O error
> Nov  4 17:10:21 server1 kernel: Buffer I/O error on device sda5, logical
> block 11
> Nov  4 17:10:21 server1 kernel: lost page write due to I/O error on sda5
> Nov  4 17:10:21 server1 kernel: usb 5-7: new high speed USB device using
> ehci_hcd and address 69
> Nov  4 17:10:21 server1 kernel: usb 5-7: configuration #1 chosen from 1
> choice
> Nov  4 17:10:21 server1 kernel: scsi190 : SCSI emulation for USB Mass
> Storage devices
> Nov  4 17:10:21 server1 kernel: usb-storage: device found at 69
> Nov  4 17:10:21 server1 kernel: usb-storage: waiting for device to
> settle before scanning
> Nov  4 17:10:26 server1 kernel: scsi 190:0:0:0: Direct-Access     Maxtor
>   OneTouch         0201 PQ: 0 ANSI: 0 CCS
> Nov  4 17:10:26 server1 kernel: sd 190:0:0:0: [sdb] 240119808 512-byte
> hardware sectors (122941 MB)
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] Write Protect is off
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] Mode Sense: 1c 00 00 00
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] Assuming drive
> cache: write through
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] 240119808 512-byte
> hardware sectors (122941 MB)
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] Write Protect is off
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] Mode Sense: 1c 00 00 00
> Nov  4 17:10:27 server1 kernel: sd 190:0:0:0: [sdb] Assuming drive
> cache: write through
> Nov  4 17:10:32 server1 kernel:  sdb: sdb1 < sdb5 >
> Nov  4 17:10:32 server1 kernel: sd 190:0:0:0: [sdb] Attached SCSI disk
> Nov  4 17:10:32 server1 kernel: usb-storage: device scan complete
> Nov  4 17:32:06 server1 kernel: scsi 189:0:0:0: rejecting I/O to dead device
> Nov  4 17:32:06 server1 kernel: Buffer I/O error on device sda5, logical
> block 523
> Nov  4 17:32:06 server1 kernel: EXT3-fs error (device sda5):
> ext3_readdir: directory #2 contains a hole at offset 0
> Nov  4 17:32:06 server1 kernel: scsi 189:0:0:0: rejecting I/O to dead device
> Nov  4 17:32:06 server1 kernel: Buffer I/O error on device sda5, logical
> block 0
> Nov  4 17:32:06 server1 kernel: lost page write due to I/O error on sda5
> Nov  4 17:32:06 server1 kernel: ext3_abort called.
> Nov  4 17:32:06 server1 kernel: EXT3-fs error (device sda5):
> ext3_journal_start_sb: Detected aborted journal
> Nov  4 17:32:06 server1 kernel: Remounting filesystem read-only
> Nov  4 17:32:47 server1 kernel: scsi 189:0:0:0: rejecting I/O to dead device
> Nov  4 17:32:47 server1 kernel: EXT3-fs error (device sda5):
> ext3_readdir: directory #2 contains a hole at offset 0
> Nov  4 17:34:59 server1 kernel: usb 5-7: USB disconnect, address 69
> Nov  4 17:35:10 server1 kernel: usb 5-7: new high speed USB device using
> ehci_hcd and address 70
> Nov  4 17:35:10 server1 kernel: usb 5-7: configuration #1 chosen from 1
> choice
> Nov  4 17:35:10 server1 kernel: scsi191 : SCSI emulation for USB Mass
> Storage devices
> Nov  4 17:35:10 server1 kernel: usb-storage: device found at 70
> Nov  4 17:35:10 server1 kernel: usb-storage: waiting for device to
> settle before scanning
> Nov  4 17:35:15 server1 kernel: scsi 191:0:0:0: Direct-Access     Maxtor
>   OneTouch         0201 PQ: 0 ANSI: 0 CCS
> Nov  4 17:35:15 server1 kernel: sd 191:0:0:0: [sdb] 240119808 512-byte
> hardware sectors (122941 MB)
> Nov  4 17:35:15 server1 kernel: sd 191:0:0:0: [sdb] Write Protect is off
> Nov  4 17:35:15 server1 kernel: sd 191:0:0:0: [sdb] Mode Sense: 1c 00 00 00
> Nov  4 17:35:15 server1 kernel: sd 191:0:0:0: [sdb] Assuming drive
> cache: write through
> Nov  4 17:35:15 server1 kernel: sd 191:0:0:0: [sdb] 240119808 512-byte
> hardware sectors (122941 MB)
> Nov  4 17:35:16 server1 kernel: sd 191:0:0:0: [sdb] Write Protect is off
> Nov  4 17:35:16 server1 kernel: sd 191:0:0:0: [sdb] Mode Sense: 1c 00 00 00
> Nov  4 17:35:16 server1 kernel: sd 191:0:0:0: [sdb] Assuming drive
> cache: write through
> Nov  4 17:35:16 server1 kernel:  sdb: sdb1 < sdb5 >
> Nov  4 17:35:16 server1 kernel: sd 191:0:0:0: [sdb] Attached SCSI disk
> Nov  4 17:35:16 server1 kernel: usb-storage: device scan complete
> Nov  4 17:36:40 server1 kernel: kjournald starting.  Commit interval 5
> seconds
> Nov  4 17:36:40 server1 kernel: EXT3-fs warning: maximal mount count
> reached, running e2fsck is recommended
> Nov  4 17:36:40 server1 kernel: EXT3 FS on sdb5, internal journal
> Nov  4 17:36:40 server1 kernel: EXT3-fs: recovery complete.
> Nov  4 17:36:40 server1 kernel: EXT3-fs: mounted filesystem with ordered
> data mode.
> Nov  4 21:23:50 server1 kernel: kjournald starting.  Commit interval 5
> seconds
> Nov  4 21:23:50 server1 kernel: EXT3 FS on sdb5, internal journal
> Nov  4 21:23:50 server1 kernel: EXT3-fs: mounted filesystem with ordered
> data mode.

This most probably is power related. Your smps might be overloaded.
I have lost 2 drives like this. I was saved as the drives were in
warranty but data was lost.
I suggest you to take a backup asap and upgarde your power suppy wattage.

HTH
-- 
vikram...
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