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Date:      Wed, 3 Jul 2002 13:27:21 -0700
From:      Michelle Weeks <michelle@newtonsecond.com>
To:        John Bleichert <syborg@stny.rr.com>, freebsd-questions@freebsd.org
Subject:   RE: backup problems
Message-ID:  <46C4A654-8EC3-11D6-8646-00039368B8EC@newtonsecond.com>

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> On Wednesday, July 3, 2002, at 11:57 AM, John Bleichert wrote:
>
>> On Wed, 3 Jul 2002, Michelle Weeks wrote:
>> <snippage>
>>>> Also mt rewind to test commands.  If you post your dmesg with lines
>>>> detecting the tape drive, that would help.
>>>
>>> mt -f /dev/nrsa0 rewind seemed to work.  i did not get any error
>>> messages back.  i'm sorry, i'm a newbie and don't know what you mean
>>> when you say post your dmesg with lines detecting the tape drive.  did
>>> you mean to show the output that i posted above from the mt status
>>> command?
>>>
>>> thank you!!
>>>
>>> michelle
>>>
>>
>>
>> The 'dmesg' command produces a bunch of information on what devices and
>> modules have been configured by the kernel (see the dmesg man page). I
>> don't know anything about tape drives, but assuming that /dev/nrs* 
>> thingy
>> above is one, this would be a way to check dmesg for it:
>>
>> $ dmesg | grep nrs
>
> thank you for the explanation.
>
> here is the last part of the output from dmesg:
>
> Mounting root from ufs:/dev/da0s1a
> pid 263 (m4), uid 0 on /: file system full
> pid 263 (m4), uid 0 on /: file system full
> pid 263 (m4), uid 0 on /: file system full
> pid 279 (makemap), uid 0 on /: file system full
> pid 279 (makemap), uid 0 on /: file system full
> pid 279 (makemap), uid 0 on /: file system full
> (sa0:ahc0:0:12:0): ERASE. CDB: 19 0 0 0 0 0
> (sa0:ahc0:0:12:0): DATA PROTECT asc:27,0
> (sa0:ahc0:0:12:0): Write protected
> (sa0:ahc0:0:12:0): ERASE. CDB: 19 0 0 0 0 0
> (sa0:ahc0:0:12:0): DATA PROTECT asc:27,0
> (sa0:ahc0:0:12:0): Write protected
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
> (sa0:ahc0:0:12:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM 
> command to clear this state.
>
> this was from a previous tape i was using and i did take this tape 
> offline and put in a new tape.  when i tried to tar to the new tape it 
> told me "operation not permitted", but I don't see any message in dmesg 
> about the last few commands I have tried to run which are tar and mt 
> rewind.  when I do enter mt rewind and it doesnt' give back an error 
> message.
>


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