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Large Firewire disk - error messages




When connecting a large (500GB) Firewire disk to FC3 I always get messages like this:


kernel: scsi10 : SCSI emulation for IEEE-1394 SBP-2 Devices
kernel: ieee1394: sbp2: Logged into SBP-2 device
kernel: Vendor: LaCie Model: Big Disk G465 Rev: kernel: Type: Direct-Access ANSI SCSI revision: 06
kernel: SCSI device sda: 976794335 512-byte hdwr sectors (500119 MB)
kernel: sda: asking for cache data failed
kernel: sda: assuming drive cache: write through
kernel: sda:SCSI error : <10 0 0 0> return code = 0x8000002
kernel: Current sda: sense key Aborted Command
kernel: Additional sense: Logical block address out of range
kernel: end_request: I/O error, dev sda, sector 976794328
kernel: Buffer I/O error on device sda, logical block 976794328
kernel: SCSI error : <10 0 0 0> return code = 0x8000002
kernel: Current sda: sense key Aborted Command
kernel: Additional sense: Logical block address out of range
kernel: end_request: I/O error, dev sda, sector 976794329
kernel: Buffer I/O error on device sda, logical block 976794329
kernel: SCSI error : <10 0 0 0> return code = 0x8000002
kernel: Current sda: sense key Aborted Command
kernel: Additional sense: Logical block address out of range
kernel: end_request: I/O error, dev sda, sector 976794330
...many lines deleted...
kernel: Buffer I/O error on device sda, logical block 976794333
kernel: SCSI error : <10 0 0 0> return code = 0x8000002
kernel: Current sda: sense key Aborted Command
kernel: Additional sense: Logical block address out of range
kernel: end_request: I/O error, dev sda, sector 976794334
kernel: Buffer I/O error on device sda, logical block 976794334
kernel: sda1
kernel: Attached scsi disk sda at scsi10, channel 0, id 0, lun 0


After all this the disk seems to work as expected. fdisk shows it like this:

# fdisk -l /dev/sda

Disk /dev/sda: 500.1 GB, 500118699520 bytes
255 heads, 63 sectors/track, 60802 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1       60802   488392033+  83  Linux

These messages do not appear when connecting smaller disks.

Are these messages merely cosmetic or should I avoid using this disk for backups for example? There are no further error messages when using the disk for storing large (200GB+) files.

-psi


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