tape drive problem

[vu pham]

vu pham wrote:
> Bruce Marshall wrote:
>> On Saturday 31 May 2008, Vu Pham wrote:
>>> My tape drive suddenly reports the following error when I write to it.
>>>
>>> tar: /dev/st0: Cannot open: Read-only file system
>>>
>>> What can cause this ? I used a tape cleaner tape to clean it but it does
>>> not fix. And the "dirty" LED is not on.
>>>
>>> It is a DLT1 tape drive.
>>>
>>> Any idea ?
>>
>> If it's anything like the DDS drives I used to use,  it takes a 
>> 'cleaning tape' to turn the light off.   There were special tapes made 
>> for the cleaning run and they were only good for a specified number of 
>> cleans.
>>
>> The drive recognized the cleaning tapes and would go into a cleaning 
>> process with them.  Took about 30 seconds.
> 
> I just tried to clean it again but still in vain. By the way, the "write 
> protect" led on the driver is off, and mt reports "write protect on".
> 
> I would move the drive to another system to see what's going on.
> 

It is clearly the drive problem. Moving to another system does not help. 
A new drive works just fine on both systems.

vu