Simen,
Out of curiosity, that USB Hub you mentioned....is it a "powered"
hub? Have you attempted to directly connect the external USB HDD?
Thanks.
______________________________________________________________
H.F. Streit, UNIX Administrator
IMS Group Technician
Southwest Research Institute
Simen Thoresen wrote:
> Hi all,
>
> I'm running a pretty updated CentOS4 x86_64 server (Still on kernel
> 2.6.9-42.0.2, but appart from that fully up to date against the
> official repos) with a USB-disk attached (the USB-disk is a 750G
> Seagate disk in a Seagate enclosure) over a USB hub.
>
> I've noticed several times that after longish periods of activity, the
> disk drops out (log from last time, below). In this case, the disk
> activity was generated by running two bittorrent-clients (ie random
> access r/w patterns) fed by an 2Mbps connection (ie ~200kB/s
> datarate). I've been able to use the drive for copying multi-GB
> file-trees from the main disks (it's part of a backup project), so the
> failure below seems strange, and not related to traffic.
>
> Nov 9 01:09:45 kasse kernel: SCSI error : <12 0 0 0> return code =
> 0x70000
> Nov 9 01:09:45 kasse kernel: end_request: I/O error, dev sdg, sector
> 37463
> Nov 9 01:10:34 kasse kernel: SCSI error : <12 0 0 0> return code =
> 0x6000000
> Nov 9 01:10:34 kasse kernel: end_request: I/O error, dev sdg, sector
> 37471
> Nov 9 01:10:40 kasse kernel: SCSI error : <12 0 0 0> return code =
> 0x70000
> Nov 9 01:10:40 kasse kernel: end_request: I/O error, dev sdg, sector
> 37479
> Nov 9 01:13:08 kasse kernel: SCSI error : <12 0 0 0> return code =
> 0x70000
> Nov 9 01:13:08 kasse kernel: end_request: I/O error, dev sdg, sector
> 37487
> Nov 9 01:13:08 kasse kernel: Buffer I/O error on device sdg1, logical
> block 4678
> Nov 9 01:13:08 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:13:08 kasse kernel: Aborting journal on device sdg1.
> Nov 9 01:13:13 kasse kernel: ext3_abort called.
> Nov 9 01:13:13 kasse kernel: EXT3-fs error (device sdg1):
> ext3_journal_start_sb: Detected aborted journal
> Nov 9 01:13:13 kasse kernel: Remounting filesystem read-only
> Nov 9 01:13:41 kasse kernel: EXT3-fs error (device sdg1) in
> start_transaction: Journal has aborted
> Nov 9 01:13:41 kasse kernel: EXT3-fs error (device sdg1) in
> start_transaction: Journal has aborted
> Nov 9 01:15:05 kasse kernel: usb 1-1.1: reset high speed USB device
> using address 13
> Nov 9 01:15:10 kasse kernel: usb 1-1.1: control timeout on ep0out
> Nov 9 01:15:15 kasse kernel: usb 1-1.1: control timeout on ep0out
> Nov 9 01:15:15 kasse kernel: usb 1-1.1: device not accepting address
> 13, error -110
> Nov 9 01:15:15 kasse kernel: usb-storage: Bus reset ended with -19
> Nov 9 01:15:15 kasse kernel: scsi: Device offlined - not ready after
> error recovery: host 12 channel 0 id 0 lun 0
> Nov 9 01:15:15 kasse kernel: SCSI error : <12 0 0 0> return code =
> 0x70000
> Nov 9 01:15:15 kasse kernel: end_request: I/O error, dev sdg, sector
> 78039
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 9747
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to offline
> device
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 12288
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to offline
> device
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 151945218
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 151945219
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to offline
> device
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to offline
> device
> Nov 9 01:15:15 kasse kernel: __journal_remove_journal_head: freeing
> b_committed_data
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to offline
> device
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to offline
> device
> Nov 9 01:15:15 kasse kernel: usb 1-1.1: USB disconnect, address 13
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to device
> being removed
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 1
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to device
> being removed
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 1025
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: scsi12 (0:0): rejecting I/O to device
> being removed
> Nov 9 01:15:15 kasse kernel: Buffer I/O error on device sdg1, logical
> block 1027
> Nov 9 01:15:15 kasse kernel: lost page write due to I/O error on sdg1
> Nov 9 01:15:15 kasse kernel: usb 1-1.1: new high speed USB device
> using address 14
> Nov 9 01:15:15 kasse kernel: EXT3-fs error (device sdg1) in
> start_transaction: Journal has aborted
> Nov 9 01:15:16 kasse kernel: EXT3-fs error (device sdg1) in
> start_transaction: Journal has aborted
> Nov 9 01:15:20 kasse kernel: usb 1-1.1: control timeout on ep0out
> Nov 9 01:15:26 kasse kernel: usb 1-1.1: control timeout on ep0out
> Nov 9 01:15:26 kasse kernel: usb 1-1.1: device not accepting address
> 14, error -110
> Nov 9 01:15:26 kasse kernel: usb 1-1.1: new high speed USB device
> using address 15
> Nov 9 01:15:31 kasse kernel: usb 1-1.1: control timeout on ep0out
> Nov 9 01:15:33 kasse kernel: scsi12 (0:0): rejecting I/O to dead device
> Nov 9 01:15:33 kasse kernel: EXT3-fs error (device sdg1):
> ext3_readdir: directory #2 contains a hole at offset 0
> Nov 9 01:15:36 kasse kernel: usb 1-1.1: control timeout on ep0out
> Nov 9 01:15:36 kasse kernel: usb 1-1.1: device not accepting address
> 15, error -110
> Nov 9 01:15:53 kasse kernel: scsi12 (0:0): rejecting I/O to dead device
> Nov 9 01:15:53 kasse kernel: EXT3-fs error (device sdg1):
> ext3_readdir: directory #2 contains a hole at offset 0
> Nov 9 01:16:13 kasse kernel: scsi12 (0:0): rejecting I/O to dead device
> Nov 9 01:16:13 kasse kernel: EXT3-fs error (device sdg1):
> ext3_readdir: directory #2 contains a hole at offset 0
> (and multipler lines like this until the partition is unmounted).
>
> After repowering the disk again, it seems happy, and fsck passes
> without comments, and restarting the torrent-clients works well, so
> the data on the disk is at least reasonably intact.
>
> Does anyone here have similar experiences or does anyone use USB-disks
> for any extended period of time?
>
> Yours,
> -S
>