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Re: USB Memory stick (more info)



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

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