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!!