[CentOS] USB external HDD error messages

partha chowdhury kira.laucas at gmail.com
Sun Sep 28 22:00:16 UTC 2008


Guest3731 wrote:
> Hi - relatively inexperienced user here.  I installed CentOS 5.2 
> yesterday (http install via a mirror, worked brilliantly), as well as a 
> new Seagate 1Tb USB external HDD (from the new Xtreme line), for 
> backup/media storage.
> Using fdisk I put two primary partitions on the Seagate, /dev/sde1 and 
> /dev/sde2 (roughly half the drive each).  Then I used mkfs.ext3 on both 
> to create ext3 filesystems on those partitions.  My fstab entries look 
> like so:
> 
> /dev/sde1        /mnt/seagate1        ext3    rw,user,noexec    0 0
> /dev/sde2        /mnt/seagate2        ext3    rw,user,noexec    0 0
> 
> I copied some data onto /dev/sde1 and went to bed.  This morning, I 
> found a clump of kernel messages on the console (lightly edited from 
> /var/log/messages):
> 
> kernel: end_request: I/O error, dev sde, sector 492896319
> kernel: Buffer I/O error on device sde1, logical block 61612032
> kernel: EXT3-fs error (device sde1): ext3_readdir: directory #30801921 
> contains a hole at offset 0
> kernel: Aborting journal on device sde1.
> kernel: end_request: I/O error, dev sde, sector 12655
> kernel: Buffer I/O error on device sde1, logical block 1574
> kernel: lost page write due to I/O error on sde1
> kernel: sd 3:0:0:0: Device not ready: <6>: Current: sense key: Not Ready
> kernel:     Add. Sense: Logical unit not ready, initializing command 
> required
> kernel: end_request: I/O error, dev sde, sector 63
> kernel: Buffer I/O error on device sde1, logical block 0
> kernel: lost page write due to I/O error on sde1
> kernel: ext3_abort called.
> kernel: EXT3-fs error (device sde1): ext3_journal_start_sb: Detected 
> aborted journal
> kernel: Remounting filesystem read-only
> 
> I can guess that I/O means Input/Output, but other than that I'm 
> flummoxed.  My fear is that the Seagate is defective.  Can someone point 
> me in a good direction?  Any input would be greatly appreciated.
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if you take it out and put it back again is it automatically mounted and 
can kernel see it when you do fdisk -l ?


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