[CentOS-es] Problema con USB Disk HELP!!

[Federico Don]

Hola lista, tengo un problema con un disco usb, cuando enchufo el disco al
server me asigno /dev/sdc1, el disco esta en EXT4 y mi centos es Linux
version 2.6.18-164.11.1.el5 (Red Hat 4.1.2-46). Bien el problema es el
siguiente, de un momento a otro ls: reading directory .: Input/output error,
tiro un dmesg y veo qeu cambio el disco usb de particion:

sdc: Write Protect is off
sdc: Mode Sense: 38 00 00 00
sdc: assuming drive cache: write through
SCSI device sdc: 1953525168 512-byte hdwr sectors (1000205 MB)
sdc: Write Protect is off
sdc: Mode Sense: 38 00 00 00
sdc: assuming drive cache: write through
 sdc:<6>EXT3 FS on dm-0, internal journal
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-5, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-2, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-6, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-7, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-3, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on dm-8, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
kjournald starting.  Commit interval 5 seconds
EXT3 FS on sda1, internal journal
EXT3-fs: mounted filesystem with ordered data mode.
Adding 8552440k swap on /dev/VolGroup00/LVSwap.  Priority:-1 extents:1
across:8552440k
powernow-k8: Pre-initialization of ACPI failed
powernow-k8: Found 1 AMD Athlon(tm) II X2 245 Processor processors (2 cpu
cores) (version 2.20.00)
powernow-k8: Your BIOS does not provide _PSS objects.  PowerNow! does not
work on SMP systems without _PSS objects.  Complain to your BIOS vendor.
powernow-k8: Your BIOS does not provide _PSS objects.  PowerNow! does not
work on SMP systems without _PSS objects.  Complain to your BIOS vendor.
 sdc1
sd 2:0:0:0: Attached scsi disk sdc
sd 2:0:0:0: Attached scsi generic sg2 type 0
usb-storage: device scan complete
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
eth0: no IPv6 routers present
EXT4-fs: barriers enabled
kjournald2 starting: pid 2815, dev sdc1:8, commit interval 5 seconds
EXT4 FS on sdc1, internal journal on sdc1:8
EXT4-fs: delayed allocation enabled
EXT4-fs: file extents enabled
EXT4-fs: mballoc enabled
EXT4-fs: mounted filesystem sdc1 with ordered data mode
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
eth0: link down.
eth0: link up.
tnslsnr[2946]: segfault at 0000000000000018 rip 0000003115a70485 rsp
00007fff0bcb96b0 error 4
tnslsnr[9084]: segfault at 0000000000000018 rip 0000003115a70485 rsp
00007fff101eaed0 error 4
usb 1-4: reset high speed USB device using ehci_hcd and address 2
usb 1-4: USB disconnect, address 2
sd 2:0:0:0: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdc, sector 393094152
sd 2:0:0:0: rejecting I/O to device being removed
sd 2:0:0:0: rejecting I/O to device being removed
sd 2:0:0:0: rejecting I/O to device being removed
sd 2:0:0:0: SCSI error: return code = 0x00010000
end_request: I/O error, dev sdc, sector 393094392
Aborting journal on device sdc1:8.
sd 2:0:0:0: rejecting I/O to device being removed
Buffer I/O error on device sdc1, logical block 121667584
lost page write due to I/O error on sdc1
JBD2: I/O error detected when updating journal superblock for sdc1:8.
journal commit I/O error
sd 2:0:0:0: rejecting I/O to device being removed
Buffer I/O error on device sdc1, logical block 13107232
lost page write due to I/O error on sdc1
sd 2:0:0:0: rejecting I/O to device being removed
Buffer I/O error on device sdc1, logical block 50855968
lost page write due to I/O error on sdc1
sd 2:0:0:0: rejecting I/O to device being removed
Buffer I/O error on device sdc1, logical block 61866016
lost page write due to I/O error on sdc1
scsi 2:0:0:0: rejecting I/O to dead device
ext4_abort called.
EXT4-fs error (device sdc1): ext4_journal_start_sb: Detected aborted journal
Remounting filesystem read-only
usb 1-4: new high speed USB device using ehci_hcd and address 3
usb 1-4: configuration #1 chosen from 1 choice
scsi3 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 3
usb-storage: waiting for device to settle before scanning
  Vendor: ST310005  Model: 20AS              Rev:
  Type:   Direct-Access                      ANSI SCSI revision: 04
SCSI device sdd: 1953525168 512-byte hdwr sectors (1000205 MB)
sdd: Write Protect is off
sdd: Mode Sense: 38 00 00 00
sdd: assuming drive cache: write through
SCSI device sdd: 1953525168 512-byte hdwr sectors (1000205 MB)
sdd: Write Protect is off
sdd: Mode Sense: 38 00 00 00
sdd: assuming drive cache: write through
 sdd: sdd1
sd 3:0:0:0: Attached scsi disk sdd
sd 3:0:0:0: Attached scsi generic sg2 type 0
usb-storage: device scan complete
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
EXT3-fs: sdd1: couldn't mount because of unsupported optional features
(240).
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs error (device sdc1): ext4_find_entry: reading directory #2 offset 0
scsi 2:0:0:0: rejecting I/O to dead device
scsi 2:0:0:0: rejecting I/O to dead device
EXT4-fs: barriers enabled
kjournald2 starting: pid 15697, dev sdd1:8, commit interval 5 seconds
EXT4 FS on sdd1, internal journal on sdd1:8
EXT4-fs: delayed allocation enabled
EXT4-fs: file extents enabled
EXT4-fs: mballoc enabled
EXT4-fs: recovery complete.
EXT4-fs: mounted filesystem sdd1 with ordered data mode
usbcore: registered new driver usbserial
drivers/usb/serial/usb-serial.c: USB Serial support registered for generic
usbcore: registered new driver usbserial_generic
drivers/usb/serial/usb-serial.c: USB Serial Driver core
drivers/usb/serial/usb-serial.c: USB Serial support registered for GSM modem
(1-port)
usbcore: registered new driver option
drivers/usb/serial/option.c: USB Driver for GSM modems: v0.7.1

El equipo no se reinicio "  uptime   10:51:04 up 6 days, 15:14,  1 user,
 load average: 0.03, 0.91, 2.25 "

Alguien me puede guiar por donde puede venir el problema de que cambie por
si solo!!?? ahora tengo montado asi=

/dev/sdc1             917G  221G  650G  26% /mnt/disk2
/dev/sdd1             917G  221G  650G  26% /mnt/disk2

donde sdd1 es donde se encuentra en este momento y sdc1 no me permite
desmontar

umount /dev/sdc1
umount: /mnt/disk2: device is busy
umount: /mnt/disk2: device is busy

Help me!!!!!

Gracias a todos por su tiempo!!