USB Memory stick (more info)

[M.Lewis]

Robin Laing wrote:
> M.Lewis wrote:
>>
>> M.Lewis wrote:
>>
>>>
>>> A few days ago I copied some files to a USB Memory stick. No problem. 
>>> Now I'm needing to copy some more files to the same memory stick and 
>>> it's telling me it's a read-only file system. I had zero problems 
>>> with this the other day.
>>>
>>> mount is as follows:
>>> /dev/sda1 on /media/USB-DISK type vfat 
>>> (rw,noexec,nosuid,nodev,noatime,uid=500,utf8,shortname=lower)
>>>
>>> It should be writeable.
>>>
>>> Thanks for any pointers.
>>> Mike
>>>
>>
>> A quick look at the logs shows apparently problems with the drive. Do 
>> I need to reformat it or what? It still has the default WinBlows setup 
>> on it.
>>
>> Sep 26 23:00:03 moe kernel:   Vendor: SanDisk   Model: Cruzer Titanium 
>>  Rev: 2000
>> Sep 26 23:00:03 moe kernel:   Type:   Direct-Access  ANSI SCSI 
>> revision: 00
>> Sep 26 23:00:03 moe kernel: SCSI device sdb: 1014784 512-byte hdwr 
>> sectors (520 MB)
>> Sep 26 23:00:03 moe kernel: sdb: Write Protect is off
>> Sep 26 23:00:03 moe kernel: sdb: assuming drive cache: write through
>> Sep 26 23:00:03 moe kernel: SCSI device sdb: 1014784 512-byte hdwr 
>> sectors (520 MB)
>> Sep 26 23:00:03 moe kernel: sdb: Write Protect is off
>> Sep 26 23:00:03 moe kernel: sdb: assuming drive cache: write through
>> Sep 26 23:00:03 moe kernel:  sdb: sdb1
>> Sep 26 23:00:03 moe kernel: sd 8:0:0:0: Attached scsi removable disk sdb
>> Sep 26 23:00:03 moe kernel: sd 8:0:0:0: Attached scsi generic sg0 type 0
>> Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>> Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
>> (i_pos 120595)
>> Sep 26 23:00:08 moe kernel:     File system has been set read-only
>> Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>> Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
>> (i_pos 120595)
>> Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>> Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
>> (i_pos 120595)
>> Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>> Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
>> (i_pos 120595)
>> Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>> Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
>> (i_pos 120595)
>> Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>>
>>
> 
> 
> Just a thought.
> 
> How big were the files you were copying.  There is an issue open for 
> problems in syncing the drive and the icon disappearing before the drive 
> is safe to unmount.  I toasted a file system when transferring ~300M.
> 
> Once by accident and twice to recreate the problem to prove it.
> 

No, these were 12 or so average size .pdf files. Nothing big Robin.

Thanks!
Mike

-- 

  Portable:  Survives system reboot.
   23:55:01 up 8 days,  5:29,  7 users,  load average: 0.26, 0.46, 0.55

  Linux Registered User #241685  http://counter.li.org